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Merge branch 'topic/misc' into for-linus

This commit is contained in:
Takashi Iwai 2012-05-21 12:51:35 +02:00
parent 6de15b2a93 97f8d3b650
commit 382e6a859e
78 changed files with 2336 additions and 1779 deletions
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2
Documentation/sound/alsa/ALSA-Configuration.txt
View File

@ -1545,7 +1545,7 @@ Prior to version 0.9.0rc4 options had a 'snd_' prefix. This was removed.
Module for sound cards based on the C-Media CMI8786/8787/8788 chip:
* Asound A-8788
* Asus Xonar DG
* Asus Xonar DG/DGX
* AuzenTech X-Meridian
* AuzenTech X-Meridian 2G
* Bgears b-Enspirer

14
include/sound/asound.h
View File

@ -68,6 +68,20 @@ struct snd_aes_iec958 {
unsigned char dig_subframe[4]; /* AES/IEC958 subframe bits */
};
/****************************************************************************
* *
* CEA-861 Audio InfoFrame. Used in HDMI and DisplayPort *
* *
****************************************************************************/
struct snd_cea_861_aud_if {
unsigned char db1_ct_cc; /* coding type and channel count */
unsigned char db2_sf_ss; /* sample frequency and size */
unsigned char db3; /* not used, all zeros */
unsigned char db4_ca; /* channel allocation code */
unsigned char db5_dminh_lsv; /* downmix inhibit & level-shit values */
};
/****************************************************************************
* *
* Section for driver hardware dependent interface - /dev/snd/hw? *

41
include/sound/asoundef.h
View File

@ -170,6 +170,47 @@
#define IEC958_AES5_CON_CGMSA_COPYNOMORE (2<<0) /* condition not be used */
#define IEC958_AES5_CON_CGMSA_COPYNEVER (3<<0) /* no copying is permitted */
/****************************************************************************
* *
* CEA-861 Audio InfoFrame. Used in HDMI and DisplayPort *
* *
****************************************************************************/
#define CEA861_AUDIO_INFOFRAME_DB1CC (7<<0) /* mask - channel count */
#define CEA861_AUDIO_INFOFRAME_DB1CT (0xf<<4) /* mask - coding type */
#define CEA861_AUDIO_INFOFRAME_DB1CT_FROM_STREAM (0<<4) /* refer to stream */
#define CEA861_AUDIO_INFOFRAME_DB1CT_IEC60958 (1<<4) /* IEC-60958 L-PCM */
#define CEA861_AUDIO_INFOFRAME_DB1CT_AC3 (2<<4) /* AC-3 */
#define CEA861_AUDIO_INFOFRAME_DB1CT_MPEG1 (3<<4) /* MPEG1 Layers 1 & 2 */
#define CEA861_AUDIO_INFOFRAME_DB1CT_MP3 (4<<4) /* MPEG1 Layer 3 */
#define CEA861_AUDIO_INFOFRAME_DB1CT_MPEG2_MULTICH (5<<4) /* MPEG2 Multichannel */
#define CEA861_AUDIO_INFOFRAME_DB1CT_AAC (6<<4) /* AAC */
#define CEA861_AUDIO_INFOFRAME_DB1CT_DTS (7<<4) /* DTS */
#define CEA861_AUDIO_INFOFRAME_DB1CT_ATRAC (8<<4) /* ATRAC */
#define CEA861_AUDIO_INFOFRAME_DB1CT_ONEBIT (9<<4) /* One Bit Audio */
#define CEA861_AUDIO_INFOFRAME_DB1CT_DOLBY_DIG_PLUS (10<<4) /* Dolby Digital + */
#define CEA861_AUDIO_INFOFRAME_DB1CT_DTS_HD (11<<4) /* DTS-HD */
#define CEA861_AUDIO_INFOFRAME_DB1CT_MAT (12<<4) /* MAT (MLP) */
#define CEA861_AUDIO_INFOFRAME_DB1CT_DST (13<<4) /* DST */
#define CEA861_AUDIO_INFOFRAME_DB1CT_WMA_PRO (14<<4) /* WMA Pro */
#define CEA861_AUDIO_INFOFRAME_DB2SF (7<<2) /* mask - sample frequency */
#define CEA861_AUDIO_INFOFRAME_DB2SF_FROM_STREAM (0<<2) /* refer to stream */
#define CEA861_AUDIO_INFOFRAME_DB2SF_32000 (1<<2) /* 32kHz */
#define CEA861_AUDIO_INFOFRAME_DB2SF_44100 (2<<2) /* 44.1kHz */
#define CEA861_AUDIO_INFOFRAME_DB2SF_48000 (3<<2) /* 48kHz */
#define CEA861_AUDIO_INFOFRAME_DB2SF_88200 (4<<2) /* 88.2kHz */
#define CEA861_AUDIO_INFOFRAME_DB2SF_96000 (5<<2) /* 96kHz */
#define CEA861_AUDIO_INFOFRAME_DB2SF_176400 (6<<2) /* 176.4kHz */
#define CEA861_AUDIO_INFOFRAME_DB2SF_192000 (7<<2) /* 192kHz */
#define CEA861_AUDIO_INFOFRAME_DB2SS (3<<0) /* mask - sample size */
#define CEA861_AUDIO_INFOFRAME_DB2SS_FROM_STREAM (0<<0) /* refer to stream */
#define CEA861_AUDIO_INFOFRAME_DB2SS_16BIT (1<<0) /* 16 bits */
#define CEA861_AUDIO_INFOFRAME_DB2SS_20BIT (2<<0) /* 20 bits */
#define CEA861_AUDIO_INFOFRAME_DB2SS_24BIT (3<<0) /* 24 bits */
#define CEA861_AUDIO_INFOFRAME_DB5_DM_INH (1<<7) /* mask - inhibit downmixing */
#define CEA861_AUDIO_INFOFRAME_DB5_DM_INH_PERMITTED (0<<7) /* stereo downmix permitted */
#define CEA861_AUDIO_INFOFRAME_DB5_DM_INH_PROHIBITED (1<<7) /* stereo downmis prohibited */
#define CEA861_AUDIO_INFOFRAME_DB5_LSV (0xf<<3) /* mask - level-shift values */
/*****************************************************************************
* *
* MIDI v1.0 interface *

2
sound/atmel/ac97c.c
View File

@ -991,6 +991,8 @@ static int __devinit atmel_ac97c_probe(struct platform_device *pdev)
gpio_direction_output(pdata->reset_pin, 1);
chip->reset_pin = pdata->reset_pin;
}
} else {
chip->reset_pin = -EINVAL;
}
snd_card_set_dev(card, &pdev->dev);

5
sound/core/jack.c
View File

@ -155,7 +155,7 @@ EXPORT_SYMBOL(snd_jack_new);
* @jack: The jack to configure
* @parent: The device to set as parent for the jack.
*
* Set the parent for the jack input device in the device tree. This
* Set the parent for the jack devices in the device tree. This
* function is only valid prior to registration of the jack. If no
* parent is configured then the parent device will be the sound card.
*/
@ -179,6 +179,9 @@ EXPORT_SYMBOL(snd_jack_set_parent);
* mapping is provided but keys are enabled in the jack type then
* BTN_n numeric buttons will be reported.
*
* If jacks are not reporting via the input API this call will have no
* effect.
*
* Note that this is intended to be use by simple devices with small
* numbers of keys that can be reported. It is also possible to
* access the input device directly - devices with complex input

18
sound/core/pcm_lib.c
View File

@ -1894,6 +1894,7 @@ static snd_pcm_sframes_t snd_pcm_lib_write1(struct snd_pcm_substream *substream,
struct snd_pcm_runtime *runtime = substream->runtime;
snd_pcm_uframes_t xfer = 0;
snd_pcm_uframes_t offset = 0;
snd_pcm_uframes_t avail;
int err = 0;
if (size == 0)
@ -1917,13 +1918,12 @@ static snd_pcm_sframes_t snd_pcm_lib_write1(struct snd_pcm_substream *substream,
}
runtime->twake = runtime->control->avail_min ? : 1;
if (runtime->status->state == SNDRV_PCM_STATE_RUNNING)
snd_pcm_update_hw_ptr(substream);
avail = snd_pcm_playback_avail(runtime);
while (size > 0) {
snd_pcm_uframes_t frames, appl_ptr, appl_ofs;
snd_pcm_uframes_t avail;
snd_pcm_uframes_t cont;
if (runtime->status->state == SNDRV_PCM_STATE_RUNNING)
snd_pcm_update_hw_ptr(substream);
avail = snd_pcm_playback_avail(runtime);
if (!avail) {
if (nonblock) {
err = -EAGAIN;
@ -1971,6 +1971,7 @@ static snd_pcm_sframes_t snd_pcm_lib_write1(struct snd_pcm_substream *substream,
offset += frames;
size -= frames;
xfer += frames;
avail -= frames;
if (runtime->status->state == SNDRV_PCM_STATE_PREPARED &&
snd_pcm_playback_hw_avail(runtime) >= (snd_pcm_sframes_t)runtime->start_threshold) {
err = snd_pcm_start(substream);
@ -2111,6 +2112,7 @@ static snd_pcm_sframes_t snd_pcm_lib_read1(struct snd_pcm_substream *substream,
struct snd_pcm_runtime *runtime = substream->runtime;
snd_pcm_uframes_t xfer = 0;
snd_pcm_uframes_t offset = 0;
snd_pcm_uframes_t avail;
int err = 0;
if (size == 0)
@ -2141,13 +2143,12 @@ static snd_pcm_sframes_t snd_pcm_lib_read1(struct snd_pcm_substream *substream,
}
runtime->twake = runtime->control->avail_min ? : 1;
if (runtime->status->state == SNDRV_PCM_STATE_RUNNING)
snd_pcm_update_hw_ptr(substream);
avail = snd_pcm_capture_avail(runtime);
while (size > 0) {
snd_pcm_uframes_t frames, appl_ptr, appl_ofs;
snd_pcm_uframes_t avail;
snd_pcm_uframes_t cont;
if (runtime->status->state == SNDRV_PCM_STATE_RUNNING)
snd_pcm_update_hw_ptr(substream);
avail = snd_pcm_capture_avail(runtime);
if (!avail) {
if (runtime->status->state ==
SNDRV_PCM_STATE_DRAINING) {
@ -2202,6 +2203,7 @@ static snd_pcm_sframes_t snd_pcm_lib_read1(struct snd_pcm_substream *substream,
offset += frames;
size -= frames;
xfer += frames;
avail -= frames;
}
_end_unlock:
runtime->twake = 0;

12
sound/core/pcm_native.c
View File

@ -1360,7 +1360,14 @@ static int snd_pcm_prepare(struct snd_pcm_substream *substream,
static int snd_pcm_pre_drain_init(struct snd_pcm_substream *substream, int state)
{
substream->runtime->trigger_master = substream;
struct snd_pcm_runtime *runtime = substream->runtime;
switch (runtime->status->state) {
case SNDRV_PCM_STATE_OPEN:
case SNDRV_PCM_STATE_DISCONNECTED:
case SNDRV_PCM_STATE_SUSPENDED:
return -EBADFD;
}
runtime->trigger_master = substream;
return 0;
}
@ -1379,6 +1386,9 @@ static int snd_pcm_do_drain_init(struct snd_pcm_substream *substream, int state)
case SNDRV_PCM_STATE_RUNNING:
runtime->status->state = SNDRV_PCM_STATE_DRAINING;
break;
case SNDRV_PCM_STATE_XRUN:
runtime->status->state = SNDRV_PCM_STATE_SETUP;
break;
default:
break;
}

6
sound/core/sound_oss.c
View File

@ -35,7 +35,7 @@
#include <linux/sound.h>
#include <linux/mutex.h>
#define SNDRV_OSS_MINORS 128
#define SNDRV_OSS_MINORS 256
static struct snd_minor *snd_oss_minors[SNDRV_OSS_MINORS];
static DEFINE_MUTEX(sound_oss_mutex);
@ -111,7 +111,7 @@ int snd_register_oss_device(int type, struct snd_card *card, int dev,
int register1 = -1, register2 = -1;
struct device *carddev = snd_card_get_device_link(card);
if (card && card->number >= 8)
if (card && card->number >= SNDRV_MINOR_OSS_DEVICES)
return 0; /* ignore silently */
if (minor < 0)
return minor;
@ -170,7 +170,7 @@ int snd_unregister_oss_device(int type, struct snd_card *card, int dev)
int track2 = -1;
struct snd_minor *mptr;
if (card && card->number >= 8)
if (card && card->number >= SNDRV_MINOR_OSS_DEVICES)
return 0;
if (minor < 0)
return minor;

62
sound/drivers/aloop.c
View File

@ -117,6 +117,7 @@ struct loopback_pcm {
/* timer stuff */
unsigned int irq_pos; /* fractional IRQ position */
unsigned int period_size_frac;
unsigned int last_drift;
unsigned long last_jiffies;
struct timer_list timer;
};
@ -264,6 +265,7 @@ static int loopback_trigger(struct snd_pcm_substream *substream, int cmd)
return err;
dpcm->last_jiffies = jiffies;
dpcm->pcm_rate_shift = 0;
dpcm->last_drift = 0;
spin_lock(&cable->lock);
cable->running |= stream;
cable->pause &= ~stream;
@ -444,34 +446,30 @@ static void copy_play_buf(struct loopback_pcm *play,
}
}
#define BYTEPOS_UPDATE_POSONLY 0
#define BYTEPOS_UPDATE_CLEAR 1
#define BYTEPOS_UPDATE_COPY 2
static void loopback_bytepos_update(struct loopback_pcm *dpcm,
unsigned int delta,
unsigned int cmd)
static inline unsigned int bytepos_delta(struct loopback_pcm *dpcm,
unsigned int jiffies_delta)
{
unsigned int count;
unsigned long last_pos;
unsigned int delta;
last_pos = byte_pos(dpcm, dpcm->irq_pos);
dpcm->irq_pos += delta * dpcm->pcm_bps;
count = byte_pos(dpcm, dpcm->irq_pos) - last_pos;
if (!count)
return;
if (cmd == BYTEPOS_UPDATE_CLEAR)
clear_capture_buf(dpcm, count);
else if (cmd == BYTEPOS_UPDATE_COPY)
copy_play_buf(dpcm->cable->streams[SNDRV_PCM_STREAM_PLAYBACK],
dpcm->cable->streams[SNDRV_PCM_STREAM_CAPTURE],
count);
dpcm->buf_pos += count;
dpcm->buf_pos %= dpcm->pcm_buffer_size;
dpcm->irq_pos += jiffies_delta * dpcm->pcm_bps;
delta = byte_pos(dpcm, dpcm->irq_pos) - last_pos;
if (delta >= dpcm->last_drift)
delta -= dpcm->last_drift;
dpcm->last_drift = 0;
if (dpcm->irq_pos >= dpcm->period_size_frac) {
dpcm->irq_pos %= dpcm->period_size_frac;
dpcm->period_update_pending = 1;
}
return delta;
}
static inline void bytepos_finish(struct loopback_pcm *dpcm,
unsigned int delta)
{
dpcm->buf_pos += delta;
dpcm->buf_pos %= dpcm->pcm_buffer_size;
}
static unsigned int loopback_pos_update(struct loopback_cable *cable)
@ -481,7 +479,7 @@ static unsigned int loopback_pos_update(struct loopback_cable *cable)
struct loopback_pcm *dpcm_capt =
cable->streams[SNDRV_PCM_STREAM_CAPTURE];
unsigned long delta_play = 0, delta_capt = 0;
unsigned int running;
unsigned int running, count1, count2;
unsigned long flags;
spin_lock_irqsave(&cable->lock, flags);
@ -500,12 +498,13 @@ static unsigned int loopback_pos_update(struct loopback_cable *cable)
goto unlock;
if (delta_play > delta_capt) {
loopback_bytepos_update(dpcm_play, delta_play - delta_capt,
BYTEPOS_UPDATE_POSONLY);
count1 = bytepos_delta(dpcm_play, delta_play - delta_capt);
bytepos_finish(dpcm_play, count1);
delta_play = delta_capt;
} else if (delta_play < delta_capt) {
loopback_bytepos_update(dpcm_capt, delta_capt - delta_play,
BYTEPOS_UPDATE_CLEAR);
count1 = bytepos_delta(dpcm_capt, delta_capt - delta_play);
clear_capture_buf(dpcm_capt, count1);
bytepos_finish(dpcm_capt, count1);
delta_capt = delta_play;
}
@ -513,8 +512,17 @@ static unsigned int loopback_pos_update(struct loopback_cable *cable)
goto unlock;
/* note delta_capt == delta_play at this moment */
loopback_bytepos_update(dpcm_capt, delta_capt, BYTEPOS_UPDATE_COPY);
loopback_bytepos_update(dpcm_play, delta_play, BYTEPOS_UPDATE_POSONLY);
count1 = bytepos_delta(dpcm_play, delta_play);
count2 = bytepos_delta(dpcm_capt, delta_capt);
if (count1 < count2) {
dpcm_capt->last_drift = count2 - count1;
count1 = count2;
} else if (count1 > count2) {
dpcm_play->last_drift = count1 - count2;
}
copy_play_buf(dpcm_play, dpcm_capt, count1);
bytepos_finish(dpcm_play, count1);
bytepos_finish(dpcm_capt, count1);
unlock:
spin_unlock_irqrestore(&cable->lock, flags);
return running;

49
sound/firewire/amdtp.c
View File

@ -31,6 +31,8 @@
#define INTERRUPT_INTERVAL 16
#define QUEUE_LENGTH 48
static void pcm_period_tasklet(unsigned long data);
/**
* amdtp_out_stream_init - initialize an AMDTP output stream structure
* @s: the AMDTP output stream to initialize
@ -47,6 +49,7 @@ int amdtp_out_stream_init(struct amdtp_out_stream *s, struct fw_unit *unit,
s->flags = flags;
s->context = ERR_PTR(-1);
mutex_init(&s->mutex);
tasklet_init(&s->period_tasklet, pcm_period_tasklet, (unsigned long)s);
s->packet_index = 0;
return 0;
@ -164,6 +167,21 @@ void amdtp_out_stream_set_pcm_format(struct amdtp_out_stream *s,
}
EXPORT_SYMBOL(amdtp_out_stream_set_pcm_format);
/**
* amdtp_out_stream_pcm_prepare - prepare PCM device for running
* @s: the AMDTP output stream
*
* This function should be called from the PCM device's .prepare callback.
*/
void amdtp_out_stream_pcm_prepare(struct amdtp_out_stream *s)
{
tasklet_kill(&s->period_tasklet);
s->pcm_buffer_pointer = 0;
s->pcm_period_pointer = 0;
s->pointer_flush = true;
}
EXPORT_SYMBOL(amdtp_out_stream_pcm_prepare);
static unsigned int calculate_data_blocks(struct amdtp_out_stream *s)
{
unsigned int phase, data_blocks;
@ -376,11 +394,21 @@ static void queue_out_packet(struct amdtp_out_stream *s, unsigned int cycle)
s->pcm_period_pointer += data_blocks;
if (s->pcm_period_pointer >= pcm->runtime->period_size) {
s->pcm_period_pointer -= pcm->runtime->period_size;
snd_pcm_period_elapsed(pcm);
s->pointer_flush = false;
tasklet_hi_schedule(&s->period_tasklet);
}
}
}
static void pcm_period_tasklet(unsigned long data)
{
struct amdtp_out_stream *s = (void *)data;
struct snd_pcm_substream *pcm = ACCESS_ONCE(s->pcm);
if (pcm)
snd_pcm_period_elapsed(pcm);
}
static void out_packet_callback(struct fw_iso_context *context, u32 cycle,
size_t header_length, void *header, void *data)
{
@ -505,6 +533,24 @@ err_unlock:
}
EXPORT_SYMBOL(amdtp_out_stream_start);
/**
* amdtp_out_stream_pcm_pointer - get the PCM buffer position
* @s: the AMDTP output stream that transports the PCM data
*
* Returns the current buffer position, in frames.
*/
unsigned long amdtp_out_stream_pcm_pointer(struct amdtp_out_stream *s)
{
/* this optimization is allowed to be racy */
if (s->pointer_flush)
fw_iso_context_flush_completions(s->context);
else
s->pointer_flush = true;
return ACCESS_ONCE(s->pcm_buffer_pointer);
}
EXPORT_SYMBOL(amdtp_out_stream_pcm_pointer);
/**
* amdtp_out_stream_update - update the stream after a bus reset
* @s: the AMDTP output stream
@ -532,6 +578,7 @@ void amdtp_out_stream_stop(struct amdtp_out_stream *s)
return;
}
tasklet_kill(&s->period_tasklet);
fw_iso_context_stop(s->context);
fw_iso_context_destroy(s->context);
s->context = ERR_PTR(-1);

29
sound/firewire/amdtp.h
View File

@ -1,6 +1,7 @@
#ifndef SOUND_FIREWIRE_AMDTP_H_INCLUDED
#define SOUND_FIREWIRE_AMDTP_H_INCLUDED
#include <linux/interrupt.h>
#include <linux/mutex.h>
#include <linux/spinlock.h>
#include "packets-buffer.h"
@ -55,6 +56,7 @@ struct amdtp_out_stream {
struct iso_packets_buffer buffer;
struct snd_pcm_substream *pcm;
struct tasklet_struct period_tasklet;
int packet_index;
unsigned int data_block_counter;
@ -66,6 +68,7 @@ struct amdtp_out_stream {
unsigned int pcm_buffer_pointer;
unsigned int pcm_period_pointer;
bool pointer_flush;
};
int amdtp_out_stream_init(struct amdtp_out_stream *s, struct fw_unit *unit,
@ -81,6 +84,8 @@ void amdtp_out_stream_stop(struct amdtp_out_stream *s);
void amdtp_out_stream_set_pcm_format(struct amdtp_out_stream *s,
snd_pcm_format_t format);
void amdtp_out_stream_pcm_prepare(struct amdtp_out_stream *s);
unsigned long amdtp_out_stream_pcm_pointer(struct amdtp_out_stream *s);
void amdtp_out_stream_pcm_abort(struct amdtp_out_stream *s);
/**
@ -122,18 +127,6 @@ static inline bool amdtp_out_streaming_error(struct amdtp_out_stream *s)
return s->packet_index < 0;
}
/**
* amdtp_out_stream_pcm_prepare - prepare PCM device for running
* @s: the AMDTP output stream
*
* This function should be called from the PCM device's .prepare callback.
*/
static inline void amdtp_out_stream_pcm_prepare(struct amdtp_out_stream *s)
{
s->pcm_buffer_pointer = 0;
s->pcm_period_pointer = 0;
}
/**
* amdtp_out_stream_pcm_trigger - start/stop playback from a PCM device
* @s: the AMDTP output stream
@ -149,18 +142,6 @@ static inline void amdtp_out_stream_pcm_trigger(struct amdtp_out_stream *s,
ACCESS_ONCE(s->pcm) = pcm;
}
/**
* amdtp_out_stream_pcm_pointer - get the PCM buffer position
* @s: the AMDTP output stream that transports the PCM data
*
* Returns the current buffer position, in frames.
*/
static inline unsigned long
amdtp_out_stream_pcm_pointer(struct amdtp_out_stream *s)
{
return ACCESS_ONCE(s->pcm_buffer_pointer);
}
static inline bool cip_sfc_is_base_44100(enum cip_sfc sfc)
{
return sfc & 1;

2
sound/pci/Kconfig
View File

@ -228,7 +228,7 @@ config SND_OXYGEN
Say Y here to include support for sound cards based on the
C-Media CMI8788 (Oxygen HD Audio) chip:
* Asound A-8788
* Asus Xonar DG
* Asus Xonar DG/DGX
* AuzenTech X-Meridian
* AuzenTech X-Meridian 2G
* Bgears b-Enspirer

15
sound/pci/ad1889.c
View File

@ -1062,17 +1062,4 @@ static struct pci_driver ad1889_pci_driver = {
.remove = __devexit_p(snd_ad1889_remove),
};
static int __init
alsa_ad1889_init(void)
{
return pci_register_driver(&ad1889_pci_driver);
}
static void __exit
alsa_ad1889_fini(void)
{
pci_unregister_driver(&ad1889_pci_driver);
}
module_init(alsa_ad1889_init);
module_exit(alsa_ad1889_fini);
module_pci_driver(ad1889_pci_driver);

15
sound/pci/ali5451/ali5451.c
View File

@ -2294,7 +2294,7 @@ static void __devexit snd_ali_remove(struct pci_dev *pci)
pci_set_drvdata(pci, NULL);
}
static struct pci_driver driver = {
static struct pci_driver ali5451_driver = {
.name = KBUILD_MODNAME,
.id_table = snd_ali_ids,
.probe = snd_ali_probe,
@ -2305,15 +2305,4 @@ static struct pci_driver driver = {
#endif
};
static int __init alsa_card_ali_init(void)
{
return pci_register_driver(&driver);
}
static void __exit alsa_card_ali_exit(void)
{
pci_unregister_driver(&driver);
}
module_init(alsa_card_ali_init)
module_exit(alsa_card_ali_exit)
module_pci_driver(ali5451_driver);

15
sound/pci/als300.c
View File

@ -852,7 +852,7 @@ static int __devinit snd_als300_probe(struct pci_dev *pci,
return 0;
}
static struct pci_driver driver = {
static struct pci_driver als300_driver = {
.name = KBUILD_MODNAME,
.id_table = snd_als300_ids,
.probe = snd_als300_probe,
@ -863,15 +863,4 @@ static struct pci_driver driver = {
#endif
};
static int __init alsa_card_als300_init(void)
{
return pci_register_driver(&driver);
}
static void __exit alsa_card_als300_exit(void)
{
pci_unregister_driver(&driver);
}
module_init(alsa_card_als300_init)
module_exit(alsa_card_als300_exit)
module_pci_driver(als300_driver);

15
sound/pci/als4000.c
View File

@ -1036,7 +1036,7 @@ static int snd_als4000_resume(struct pci_dev *pci)
#endif /* CONFIG_PM */
static struct pci_driver driver = {
static struct pci_driver als4000_driver = {
.name = KBUILD_MODNAME,
.id_table = snd_als4000_ids,
.probe = snd_card_als4000_probe,
@ -1047,15 +1047,4 @@ static struct pci_driver driver = {
#endif
};
static int __init alsa_card_als4000_init(void)
{
return pci_register_driver(&driver);
}
static void __exit alsa_card_als4000_exit(void)
{
pci_unregister_driver(&driver);
}
module_init(alsa_card_als4000_init)
module_exit(alsa_card_als4000_exit)
module_pci_driver(als4000_driver);

16
sound/pci/atiixp.c
View File

@ -1700,7 +1700,7 @@ static void __devexit snd_atiixp_remove(struct pci_dev *pci)
pci_set_drvdata(pci, NULL);
}
static struct pci_driver driver = {
static struct pci_driver atiixp_driver = {
.name = KBUILD_MODNAME,
.id_table = snd_atiixp_ids,
.probe = snd_atiixp_probe,
@ -1711,16 +1711,4 @@ static struct pci_driver driver = {
#endif
};
static int __init alsa_card_atiixp_init(void)
{
return pci_register_driver(&driver);
}
static void __exit alsa_card_atiixp_exit(void)
{
pci_unregister_driver(&driver);
}
module_init(alsa_card_atiixp_init)
module_exit(alsa_card_atiixp_exit)
module_pci_driver(atiixp_driver);

16
sound/pci/atiixp_modem.c
View File

@ -1331,7 +1331,7 @@ static void __devexit snd_atiixp_remove(struct pci_dev *pci)
pci_set_drvdata(pci, NULL);
}
static struct pci_driver driver = {
static struct pci_driver atiixp_modem_driver = {
.name = KBUILD_MODNAME,
.id_table = snd_atiixp_ids,
.probe = snd_atiixp_probe,
@ -1342,16 +1342,4 @@ static struct pci_driver driver = {
#endif
};
static int __init alsa_card_atiixp_init(void)
{
return pci_register_driver(&driver);
}
static void __exit alsa_card_atiixp_exit(void)
{
pci_unregister_driver(&driver);
}
module_init(alsa_card_atiixp_init)
module_exit(alsa_card_atiixp_exit)
module_pci_driver(atiixp_modem_driver);

17
sound/pci/au88x0/au88x0.c
View File

@ -375,24 +375,11 @@ static void __devexit snd_vortex_remove(struct pci_dev *pci)
}
// pci_driver definition
static struct pci_driver driver = {
static struct pci_driver vortex_driver = {
.name = KBUILD_MODNAME,
.id_table = snd_vortex_ids,
.probe = snd_vortex_probe,
.remove = __devexit_p(snd_vortex_remove),
};
// initialization of the module
static int __init alsa_card_vortex_init(void)
{
return pci_register_driver(&driver);
}
// clean up the module
static void __exit alsa_card_vortex_exit(void)
{
pci_unregister_driver(&driver);
}
module_init(alsa_card_vortex_init)
module_exit(alsa_card_vortex_exit)
module_pci_driver(vortex_driver);

23
sound/pci/aw2/aw2-alsa.c
View File

@ -112,8 +112,6 @@ struct aw2 {
/*********************************
* FUNCTION DECLARATIONS
********************************/
static int __init alsa_card_aw2_init(void);
static void __exit alsa_card_aw2_exit(void);
static int snd_aw2_dev_free(struct snd_device *device);
static int __devinit snd_aw2_create(struct snd_card *card,
struct pci_dev *pci, struct aw2 **rchip);
@ -171,13 +169,15 @@ static DEFINE_PCI_DEVICE_TABLE(snd_aw2_ids) = {
MODULE_DEVICE_TABLE(pci, snd_aw2_ids);
/* pci_driver definition */
static struct pci_driver driver = {
static struct pci_driver aw2_driver = {
.name = KBUILD_MODNAME,
.id_table = snd_aw2_ids,
.probe = snd_aw2_probe,
.remove = __devexit_p(snd_aw2_remove),
};
module_pci_driver(aw2_driver);
/* operators for playback PCM alsa interface */
static struct snd_pcm_ops snd_aw2_playback_ops = {
.open = snd_aw2_pcm_playback_open,
@ -217,23 +217,6 @@ static struct snd_kcontrol_new aw2_control __devinitdata = {
* FUNCTION IMPLEMENTATIONS
********************************/
/* initialization of the module */
static int __init alsa_card_aw2_init(void)
{
snd_printdd(KERN_DEBUG "aw2: Load aw2 module\n");
return pci_register_driver(&driver);
}
/* clean up the module */
static void __exit alsa_card_aw2_exit(void)
{
snd_printdd(KERN_DEBUG "aw2: Unload aw2 module\n");
pci_unregister_driver(&driver);
}
module_init(alsa_card_aw2_init);
module_exit(alsa_card_aw2_exit);
/* component-destructor */
static int snd_aw2_dev_free(struct snd_device *device)
{

23
sound/pci/azt3328.c
View File

@ -2862,7 +2862,7 @@ snd_azf3328_resume(struct pci_dev *pci)
#endif /* CONFIG_PM */
static struct pci_driver driver = {
static struct pci_driver azf3328_driver = {
.name = KBUILD_MODNAME,
.id_table = snd_azf3328_ids,
.probe = snd_azf3328_probe,
@ -2873,23 +2873,4 @@ static struct pci_driver driver = {
#endif
};
static int __init
alsa_card_azf3328_init(void)
{
int err;
snd_azf3328_dbgcallenter();
err = pci_register_driver(&driver);
snd_azf3328_dbgcallleave();
return err;
}
static void __exit
alsa_card_azf3328_exit(void)
{
snd_azf3328_dbgcallenter();
pci_unregister_driver(&driver);
snd_azf3328_dbgcallleave();
}
module_init(alsa_card_azf3328_init)
module_exit(alsa_card_azf3328_exit)
module_pci_driver(azf3328_driver);

19
sound/pci/bt87x.c
View File

@ -836,8 +836,6 @@ static struct {
{0x7063, 0x2000}, /* pcHDTV HD-2000 TV */
};
static struct pci_driver driver;
/* return the id of the card, or a negative value if it's blacklisted */
static int __devinit snd_bt87x_detect_card(struct pci_dev *pci)
{
@ -964,24 +962,11 @@ static DEFINE_PCI_DEVICE_TABLE(snd_bt87x_default_ids) = {
{ }
};
static struct pci_driver driver = {
static struct pci_driver bt87x_driver = {
.name = KBUILD_MODNAME,
.id_table = snd_bt87x_ids,
.probe = snd_bt87x_probe,
.remove = __devexit_p(snd_bt87x_remove),
};
static int __init alsa_card_bt87x_init(void)
{
if (load_all)
driver.id_table = snd_bt87x_default_ids;
return pci_register_driver(&driver);
}
static void __exit alsa_card_bt87x_exit(void)
{
pci_unregister_driver(&driver);
}
module_init(alsa_card_bt87x_init)
module_exit(alsa_card_bt87x_exit)
module_pci_driver(bt87x_driver);

17
sound/pci/ca0106/ca0106_main.c
View File

@ -1932,7 +1932,7 @@ static DEFINE_PCI_DEVICE_TABLE(snd_ca0106_ids) = {
MODULE_DEVICE_TABLE(pci, snd_ca0106_ids);
// pci_driver definition
static struct pci_driver driver = {
static struct pci_driver ca0106_driver = {
.name = KBUILD_MODNAME,
.id_table = snd_ca0106_ids,
.probe = snd_ca0106_probe,
@ -1943,17 +1943,4 @@ static struct pci_driver driver = {
#endif
};
// initialization of the module
static int __init alsa_card_ca0106_init(void)
{
return pci_register_driver(&driver);
}
// clean up the module
static void __exit alsa_card_ca0106_exit(void)
{
pci_unregister_driver(&driver);
}
module_init(alsa_card_ca0106_init)
module_exit(alsa_card_ca0106_exit)
module_pci_driver(ca0106_driver);

15
sound/pci/cmipci.c
View File

@ -3398,7 +3398,7 @@ static int snd_cmipci_resume(struct pci_dev *pci)
}
#endif /* CONFIG_PM */
static struct pci_driver driver = {
static struct pci_driver cmipci_driver = {
.name = KBUILD_MODNAME,
.id_table = snd_cmipci_ids,
.probe = snd_cmipci_probe,
@ -3409,15 +3409,4 @@ static struct pci_driver driver = {
#endif
};
static int __init alsa_card_cmipci_init(void)
{
return pci_register_driver(&driver);
}
static void __exit alsa_card_cmipci_exit(void)
{
pci_unregister_driver(&driver);
}
module_init(alsa_card_cmipci_init)
module_exit(alsa_card_cmipci_exit)
module_pci_driver(cmipci_driver);

15
sound/pci/cs4281.c
View File

@ -2084,7 +2084,7 @@ static int cs4281_resume(struct pci_dev *pci)
}
#endif /* CONFIG_PM */
static struct pci_driver driver = {
static struct pci_driver cs4281_driver = {
.name = KBUILD_MODNAME,
.id_table = snd_cs4281_ids,
.probe = snd_cs4281_probe,
@ -2095,15 +2095,4 @@ static struct pci_driver driver = {
#endif
};
static int __init alsa_card_cs4281_init(void)
{
return pci_register_driver(&driver);
}
static void __exit alsa_card_cs4281_exit(void)
{
pci_unregister_driver(&driver);
}
module_init(alsa_card_cs4281_init)
module_exit(alsa_card_cs4281_exit)
module_pci_driver(cs4281_driver);

15
sound/pci/cs46xx/cs46xx.c
View File

@ -161,7 +161,7 @@ static void __devexit snd_card_cs46xx_remove(struct pci_dev *pci)
pci_set_drvdata(pci, NULL);
}
static struct pci_driver driver = {
static struct pci_driver cs46xx_driver = {
.name = KBUILD_MODNAME,
.id_table = snd_cs46xx_ids,
.probe = snd_card_cs46xx_probe,
@ -172,15 +172,4 @@ static struct pci_driver driver = {
#endif
};
static int __init alsa_card_cs46xx_init(void)
{
return pci_register_driver(&driver);
}
static void __exit alsa_card_cs46xx_exit(void)
{
pci_unregister_driver(&driver);
}
module_init(alsa_card_cs46xx_init)
module_exit(alsa_card_cs46xx_exit)
module_pci_driver(cs46xx_driver);

16
sound/pci/cs5530.c
View File

@ -291,23 +291,11 @@ static int __devinit snd_cs5530_probe(struct pci_dev *pci,
return 0;
}
static struct pci_driver driver = {
static struct pci_driver cs5530_driver = {
.name = KBUILD_MODNAME,
.id_table = snd_cs5530_ids,
.probe = snd_cs5530_probe,
.remove = __devexit_p(snd_cs5530_remove),
};
static int __init alsa_card_cs5530_init(void)
{
return pci_register_driver(&driver);
}
static void __exit alsa_card_cs5530_exit(void)
{
pci_unregister_driver(&driver);
}
module_init(alsa_card_cs5530_init)
module_exit(alsa_card_cs5530_exit)
module_pci_driver(cs5530_driver);

15
sound/pci/cs5535audio/cs5535audio.c
View File

@ -394,7 +394,7 @@ static void __devexit snd_cs5535audio_remove(struct pci_dev *pci)
pci_set_drvdata(pci, NULL);
}
static struct pci_driver driver = {
static struct pci_driver cs5535audio_driver = {
.name = KBUILD_MODNAME,
.id_table = snd_cs5535audio_ids,
.probe = snd_cs5535audio_probe,
@ -405,18 +405,7 @@ static struct pci_driver driver = {
#endif
};
static int __init alsa_card_cs5535audio_init(void)
{
return pci_register_driver(&driver);
}
static void __exit alsa_card_cs5535audio_exit(void)
{
pci_unregister_driver(&driver);
}
module_init(alsa_card_cs5535audio_init)
module_exit(alsa_card_cs5535audio_exit)
module_pci_driver(cs5535audio_driver);
MODULE_AUTHOR("Jaya Kumar");
MODULE_LICENSE("GPL");

13
sound/pci/ctxfi/xfi.c
View File

@ -154,15 +154,4 @@ static struct pci_driver ct_driver = {
#endif
};
static int __init ct_card_init(void)
{
return pci_register_driver(&ct_driver);
}
static void __exit ct_card_exit(void)
{
pci_unregister_driver(&ct_driver);
}
module_init(ct_card_init)
module_exit(ct_card_exit)
module_pci_driver(ct_driver);

22
sound/pci/echoaudio/echoaudio.c
View File

@ -2328,7 +2328,7 @@ static void __devexit snd_echo_remove(struct pci_dev *pci)
******************************************************************************/
/* pci_driver definition */
static struct pci_driver driver = {
static struct pci_driver echo_driver = {
.name = KBUILD_MODNAME,
.id_table = snd_echo_ids,
.probe = snd_echo_probe,
@ -2339,22 +2339,4 @@ static struct pci_driver driver = {
#endif /* CONFIG_PM */
};
/* initialization of the module */
static int __init alsa_card_echo_init(void)
{
return pci_register_driver(&driver);
}
/* clean up the module */
static void __exit alsa_card_echo_exit(void)
{
pci_unregister_driver(&driver);
}
module_init(alsa_card_echo_init)
module_exit(alsa_card_echo_exit)
module_pci_driver(echo_driver);

15
sound/pci/emu10k1/emu10k1.c
View File

@ -263,7 +263,7 @@ static int snd_emu10k1_resume(struct pci_dev *pci)
}
#endif
static struct pci_driver driver = {
static struct pci_driver emu10k1_driver = {
.name = KBUILD_MODNAME,
.id_table = snd_emu10k1_ids,
.probe = snd_card_emu10k1_probe,
@ -274,15 +274,4 @@ static struct pci_driver driver = {
#endif
};
static int __init alsa_card_emu10k1_init(void)
{
return pci_register_driver(&driver);
}
static void __exit alsa_card_emu10k1_exit(void)
{
pci_unregister_driver(&driver);
}
module_init(alsa_card_emu10k1_init)
module_exit(alsa_card_emu10k1_exit)
module_pci_driver(emu10k1_driver);

17
sound/pci/emu10k1/emu10k1x.c
View File

@ -1612,24 +1612,11 @@ static DEFINE_PCI_DEVICE_TABLE(snd_emu10k1x_ids) = {
MODULE_DEVICE_TABLE(pci, snd_emu10k1x_ids);
// pci_driver definition
static struct pci_driver driver = {
static struct pci_driver emu10k1x_driver = {
.name = KBUILD_MODNAME,
.id_table = snd_emu10k1x_ids,
.probe = snd_emu10k1x_probe,
.remove = __devexit_p(snd_emu10k1x_remove),
};
// initialization of the module
static int __init alsa_card_emu10k1x_init(void)
{
return pci_register_driver(&driver);
}
// clean up the module
static void __exit alsa_card_emu10k1x_exit(void)
{
pci_unregister_driver(&driver);
}
module_init(alsa_card_emu10k1x_init)
module_exit(alsa_card_emu10k1x_exit)
module_pci_driver(emu10k1x_driver);

15
sound/pci/ens1370.c
View File

@ -2488,7 +2488,7 @@ static void __devexit snd_audiopci_remove(struct pci_dev *pci)
pci_set_drvdata(pci, NULL);
}
static struct pci_driver driver = {
static struct pci_driver ens137x_driver = {
.name = KBUILD_MODNAME,
.id_table = snd_audiopci_ids,
.probe = snd_audiopci_probe,
@ -2499,15 +2499,4 @@ static struct pci_driver driver = {
#endif
};
static int __init alsa_card_ens137x_init(void)
{
return pci_register_driver(&driver);
}
static void __exit alsa_card_ens137x_exit(void)
{
pci_unregister_driver(&driver);
}
module_init(alsa_card_ens137x_init)
module_exit(alsa_card_ens137x_exit)
module_pci_driver(ens137x_driver);

15
sound/pci/es1938.c
View File

@ -1882,7 +1882,7 @@ static void __devexit snd_es1938_remove(struct pci_dev *pci)
pci_set_drvdata(pci, NULL);
}
static struct pci_driver driver = {
static struct pci_driver es1938_driver = {
.name = KBUILD_MODNAME,
.id_table = snd_es1938_ids,
.probe = snd_es1938_probe,
@ -1893,15 +1893,4 @@ static struct pci_driver driver = {
#endif
};
static int __init alsa_card_es1938_init(void)
{
return pci_register_driver(&driver);
}
static void __exit alsa_card_es1938_exit(void)
{
pci_unregister_driver(&driver);
}
module_init(alsa_card_es1938_init)
module_exit(alsa_card_es1938_exit)
module_pci_driver(es1938_driver);

15
sound/pci/es1968.c
View File

@ -2898,7 +2898,7 @@ static void __devexit snd_es1968_remove(struct pci_dev *pci)
pci_set_drvdata(pci, NULL);
}
static struct pci_driver driver = {
static struct pci_driver es1968_driver = {
.name = KBUILD_MODNAME,
.id_table = snd_es1968_ids,
.probe = snd_es1968_probe,
@ -2909,15 +2909,4 @@ static struct pci_driver driver = {
#endif
};
static int __init alsa_card_es1968_init(void)
{
return pci_register_driver(&driver);
}
static void __exit alsa_card_es1968_exit(void)
{
pci_unregister_driver(&driver);
}
module_init(alsa_card_es1968_init)
module_exit(alsa_card_es1968_exit)
module_pci_driver(es1968_driver);

15
sound/pci/fm801.c
View File

@ -1416,7 +1416,7 @@ static int snd_fm801_resume(struct pci_dev *pci)
}
#endif
static struct pci_driver driver = {
static struct pci_driver fm801_driver = {
.name = KBUILD_MODNAME,
.id_table = snd_fm801_ids,
.probe = snd_card_fm801_probe,
@ -1427,15 +1427,4 @@ static struct pci_driver driver = {
#endif
};
static int __init alsa_card_fm801_init(void)
{
return pci_register_driver(&driver);
}
static void __exit alsa_card_fm801_exit(void)
{
pci_unregister_driver(&driver);
}
module_init(alsa_card_fm801_init)
module_exit(alsa_card_fm801_exit)
module_pci_driver(fm801_driver);

17
sound/pci/hda/hda_intel.c
View File

@ -2566,6 +2566,8 @@ static struct snd_pci_quirk probe_mask_list[] __devinitdata = {
/* forced codec slots */
SND_PCI_QUIRK(0x1043, 0x1262, "ASUS W5Fm", 0x103),
SND_PCI_QUIRK(0x1046, 0x1262, "ASUS W5F", 0x103),
/* WinFast VP200 H (Teradici) user reported broken communication */
SND_PCI_QUIRK(0x3a21, 0x040d, "WinFast VP200 H", 0x101),
{}
};
@ -3154,7 +3156,7 @@ static DEFINE_PCI_DEVICE_TABLE(azx_ids) = {
MODULE_DEVICE_TABLE(pci, azx_ids);
/* pci_driver definition */
static struct pci_driver driver = {
static struct pci_driver azx_driver = {
.name = KBUILD_MODNAME,
.id_table = azx_ids,
.probe = azx_probe,
@ -3165,15 +3167,4 @@ static struct pci_driver driver = {
#endif
};
static int __init alsa_card_azx_init(void)
{
return pci_register_driver(&driver);
}
static void __exit alsa_card_azx_exit(void)
{
pci_unregister_driver(&driver);
}
module_init(alsa_card_azx_init)
module_exit(alsa_card_azx_exit)
module_pci_driver(azx_driver);

15
sound/pci/ice1712/ice1712.c
View File

@ -2803,22 +2803,11 @@ static void __devexit snd_ice1712_remove(struct pci_dev *pci)
pci_set_drvdata(pci, NULL);
}
static struct pci_driver driver = {
static struct pci_driver ice1712_driver = {
.name = KBUILD_MODNAME,
.id_table = snd_ice1712_ids,
.probe = snd_ice1712_probe,
.remove = __devexit_p(snd_ice1712_remove),
};
static int __init alsa_card_ice1712_init(void)
{
return pci_register_driver(&driver);
}
static void __exit alsa_card_ice1712_exit(void)
{
pci_unregister_driver(&driver);
}
module_init(alsa_card_ice1712_init)
module_exit(alsa_card_ice1712_exit)
module_pci_driver(ice1712_driver);

15
sound/pci/ice1712/ice1724.c
View File

@ -2873,7 +2873,7 @@ static int snd_vt1724_resume(struct pci_dev *pci)
}
#endif
static struct pci_driver driver = {
static struct pci_driver vt1724_driver = {
.name = KBUILD_MODNAME,
.id_table = snd_vt1724_ids,
.probe = snd_vt1724_probe,
@ -2884,15 +2884,4 @@ static struct pci_driver driver = {
#endif
};
static int __init alsa_card_ice1724_init(void)
{
return pci_register_driver(&driver);
}
static void __exit alsa_card_ice1724_exit(void)
{
pci_unregister_driver(&driver);
}
module_init(alsa_card_ice1724_init)
module_exit(alsa_card_ice1724_exit)
module_pci_driver(vt1724_driver);

16
sound/pci/intel8x0.c
View File

@ -3338,7 +3338,7 @@ static void __devexit snd_intel8x0_remove(struct pci_dev *pci)
pci_set_drvdata(pci, NULL);
}
static struct pci_driver driver = {
static struct pci_driver intel8x0_driver = {
.name = KBUILD_MODNAME,
.id_table = snd_intel8x0_ids,
.probe = snd_intel8x0_probe,
@ -3349,16 +3349,4 @@ static struct pci_driver driver = {
#endif
};
static int __init alsa_card_intel8x0_init(void)
{
return pci_register_driver(&driver);
}
static void __exit alsa_card_intel8x0_exit(void)
{
pci_unregister_driver(&driver);
}
module_init(alsa_card_intel8x0_init)
module_exit(alsa_card_intel8x0_exit)
module_pci_driver(intel8x0_driver);

16
sound/pci/intel8x0m.c
View File

@ -1324,7 +1324,7 @@ static void __devexit snd_intel8x0m_remove(struct pci_dev *pci)
pci_set_drvdata(pci, NULL);
}
static struct pci_driver driver = {
static struct pci_driver intel8x0m_driver = {
.name = KBUILD_MODNAME,
.id_table = snd_intel8x0m_ids,
.probe = snd_intel8x0m_probe,
@ -1335,16 +1335,4 @@ static struct pci_driver driver = {
#endif
};
static int __init alsa_card_intel8x0m_init(void)
{
return pci_register_driver(&driver);
}
static void __exit alsa_card_intel8x0m_exit(void)
{
pci_unregister_driver(&driver);
}
module_init(alsa_card_intel8x0m_init)
module_exit(alsa_card_intel8x0m_exit)
module_pci_driver(intel8x0m_driver);

15
sound/pci/korg1212/korg1212.c
View File

@ -2476,22 +2476,11 @@ static void __devexit snd_korg1212_remove(struct pci_dev *pci)
pci_set_drvdata(pci, NULL);
}
static struct pci_driver driver = {
static struct pci_driver korg1212_driver = {
.name = KBUILD_MODNAME,
.id_table = snd_korg1212_ids,
.probe = snd_korg1212_probe,
.remove = __devexit_p(snd_korg1212_remove),
};
static int __init alsa_card_korg1212_init(void)
{
return pci_register_driver(&driver);
}
static void __exit alsa_card_korg1212_exit(void)
{
pci_unregister_driver(&driver);
}
module_init(alsa_card_korg1212_init)
module_exit(alsa_card_korg1212_exit)
module_pci_driver(korg1212_driver);

15
sound/pci/lola/lola.c
View File

@ -770,22 +770,11 @@ static DEFINE_PCI_DEVICE_TABLE(lola_ids) = {
MODULE_DEVICE_TABLE(pci, lola_ids);
/* pci_driver definition */
static struct pci_driver driver = {
static struct pci_driver lola_driver = {
.name = KBUILD_MODNAME,
.id_table = lola_ids,
.probe = lola_probe,
.remove = __devexit_p(lola_remove),
};
static int __init alsa_card_lola_init(void)
{
return pci_register_driver(&driver);
}
static void __exit alsa_card_lola_exit(void)
{
pci_unregister_driver(&driver);
}
module_init(alsa_card_lola_init)
module_exit(alsa_card_lola_exit)
module_pci_driver(lola_driver);

17
sound/pci/lx6464es/lx6464es.c
View File

@ -1141,24 +1141,11 @@ static void __devexit snd_lx6464es_remove(struct pci_dev *pci)
}
static struct pci_driver driver = {
static struct pci_driver lx6464es_driver = {
.name = KBUILD_MODNAME,
.id_table = snd_lx6464es_ids,
.probe = snd_lx6464es_probe,
.remove = __devexit_p(snd_lx6464es_remove),
};
/* module initialization */
static int __init mod_init(void)
{
return pci_register_driver(&driver);
}
static void __exit mod_exit(void)
{
pci_unregister_driver(&driver);
}
module_init(mod_init);
module_exit(mod_exit);
module_pci_driver(lx6464es_driver);

15
sound/pci/maestro3.c
View File

@ -2837,7 +2837,7 @@ static void __devexit snd_m3_remove(struct pci_dev *pci)
pci_set_drvdata(pci, NULL);
}
static struct pci_driver driver = {
static struct pci_driver m3_driver = {
.name = KBUILD_MODNAME,
.id_table = snd_m3_ids,
.probe = snd_m3_probe,
@ -2848,15 +2848,4 @@ static struct pci_driver driver = {
#endif
};
static int __init alsa_card_m3_init(void)
{
return pci_register_driver(&driver);
}
static void __exit alsa_card_m3_exit(void)
{
pci_unregister_driver(&driver);
}
module_init(alsa_card_m3_init)
module_exit(alsa_card_m3_exit)
module_pci_driver(m3_driver);

15
sound/pci/mixart/mixart.c
View File

@ -1380,22 +1380,11 @@ static void __devexit snd_mixart_remove(struct pci_dev *pci)
pci_set_drvdata(pci, NULL);
}
static struct pci_driver driver = {
static struct pci_driver mixart_driver = {
.name = KBUILD_MODNAME,
.id_table = snd_mixart_ids,
.probe = snd_mixart_probe,
.remove = __devexit_p(snd_mixart_remove),
};
static int __init alsa_card_mixart_init(void)
{
return pci_register_driver(&driver);
}
static void __exit alsa_card_mixart_exit(void)
{
pci_unregister_driver(&driver);
}
module_init(alsa_card_mixart_init)
module_exit(alsa_card_mixart_exit)
module_pci_driver(mixart_driver);

16
sound/pci/nm256/nm256.c
View File

@ -1742,7 +1742,7 @@ static void __devexit snd_nm256_remove(struct pci_dev *pci)
}
static struct pci_driver driver = {
static struct pci_driver nm256_driver = {
.name = KBUILD_MODNAME,
.id_table = snd_nm256_ids,
.probe = snd_nm256_probe,
@ -1753,16 +1753,4 @@ static struct pci_driver driver = {
#endif
};
static int __init alsa_card_nm256_init(void)
{
return pci_register_driver(&driver);
}
static void __exit alsa_card_nm256_exit(void)
{
pci_unregister_driver(&driver);
}
module_init(alsa_card_nm256_init)
module_exit(alsa_card_nm256_exit)
module_pci_driver(nm256_driver);

21
sound/pci/oxygen/oxygen.c
View File

@ -94,6 +94,7 @@ enum {
MODEL_2CH_OUTPUT,
MODEL_HG2PCI,
MODEL_XONAR_DG,
MODEL_XONAR_DGX,
};
static DEFINE_PCI_DEVICE_TABLE(oxygen_ids) = {
@ -109,6 +110,8 @@ static DEFINE_PCI_DEVICE_TABLE(oxygen_ids) = {
{ OXYGEN_PCI_SUBID(0x1a58, 0x0910), .driver_data = MODEL_CMEDIA_REF },
/* Asus Xonar DG */
{ OXYGEN_PCI_SUBID(0x1043, 0x8467), .driver_data = MODEL_XONAR_DG },
/* Asus Xonar DGX */
{ OXYGEN_PCI_SUBID(0x1043, 0x8521), .driver_data = MODEL_XONAR_DGX },
/* PCI 2.0 HD Audio */
{ OXYGEN_PCI_SUBID(0x13f6, 0x8782), .driver_data = MODEL_2CH_OUTPUT },
/* Kuroutoshikou CMI8787-HG2PCI */
@ -827,6 +830,11 @@ static int __devinit get_oxygen_model(struct oxygen *chip,
break;
case MODEL_XONAR_DG:
chip->model = model_xonar_dg;
chip->model.shortname = "Xonar DG";
break;
case MODEL_XONAR_DGX:
chip->model = model_xonar_dg;
chip->model.shortname = "Xonar DGX";
break;
}
if (id->driver_data == MODEL_MERIDIAN ||
@ -870,15 +878,4 @@ static struct pci_driver oxygen_driver = {
#endif
};
static int __init alsa_card_oxygen_init(void)
{
return pci_register_driver(&oxygen_driver);
}
static void __exit alsa_card_oxygen_exit(void)
{
pci_unregister_driver(&oxygen_driver);
}
module_init(alsa_card_oxygen_init)
module_exit(alsa_card_oxygen_exit)
module_pci_driver(oxygen_driver);

13
sound/pci/oxygen/virtuoso.c
View File

@ -100,15 +100,4 @@ static struct pci_driver xonar_driver = {
.shutdown = oxygen_pci_shutdown,
};
static int __init alsa_card_xonar_init(void)
{
return pci_register_driver(&xonar_driver);
}
static void __exit alsa_card_xonar_exit(void)
{
pci_unregister_driver(&xonar_driver);
}
module_init(alsa_card_xonar_init)
module_exit(alsa_card_xonar_exit)
module_pci_driver(xonar_driver);

7
sound/pci/oxygen/xonar_dg.c
View File

@ -1,5 +1,5 @@
/*
* card driver for the Xonar DG
* card driver for the Xonar DG/DGX
*
* Copyright (c) Clemens Ladisch <clemens@ladisch.de>
*
@ -17,8 +17,8 @@
*/
/*
* Xonar DG
* --------
* Xonar DG/DGX
* ------------
*
* CMI8788:
*
@ -581,7 +581,6 @@ static void dump_cs4245_registers(struct oxygen *chip,
}
struct oxygen_model model_xonar_dg = {
.shortname = "Xonar DG",
.longname = "C-Media Oxygen HD Audio",
.chip = "CMI8786",
.init = dg_init,

15
sound/pci/pcxhr/pcxhr.c
View File

@ -1607,22 +1607,11 @@ static void __devexit pcxhr_remove(struct pci_dev *pci)
pci_set_drvdata(pci, NULL);
}
static struct pci_driver driver = {
static struct pci_driver pcxhr_driver = {
.name = KBUILD_MODNAME,
.id_table = pcxhr_ids,
.probe = pcxhr_probe,
.remove = __devexit_p(pcxhr_remove),
};
static int __init pcxhr_module_init(void)
{
return pci_register_driver(&driver);
}
static void __exit pcxhr_module_exit(void)
{
pci_unregister_driver(&driver);
}
module_init(pcxhr_module_init)
module_exit(pcxhr_module_exit)
module_pci_driver(pcxhr_driver);

3
sound/pci/riptide/riptide.c
View File

@ -1837,8 +1837,7 @@ static int snd_riptide_free(struct snd_riptide *chip)
}
if (chip->irq >= 0)
free_irq(chip->irq, chip);
if (chip->fw_entry)
release_firmware(chip->fw_entry);
release_firmware(chip->fw_entry);
release_and_free_resource(chip->res_port);
kfree(chip);
return 0;

15
sound/pci/rme32.c
View File

@ -1984,22 +1984,11 @@ static void __devexit snd_rme32_remove(struct pci_dev *pci)
pci_set_drvdata(pci, NULL);
}
static struct pci_driver driver = {
static struct pci_driver rme32_driver = {
.name = KBUILD_MODNAME,
.id_table = snd_rme32_ids,
.probe = snd_rme32_probe,
.remove = __devexit_p(snd_rme32_remove),
};
static int __init alsa_card_rme32_init(void)
{
return pci_register_driver(&driver);
}
static void __exit alsa_card_rme32_exit(void)
{
pci_unregister_driver(&driver);
}
module_init(alsa_card_rme32_init)
module_exit(alsa_card_rme32_exit)
module_pci_driver(rme32_driver);

15
sound/pci/rme96.c
View File

@ -2395,22 +2395,11 @@ static void __devexit snd_rme96_remove(struct pci_dev *pci)
pci_set_drvdata(pci, NULL);
}
static struct pci_driver driver = {
static struct pci_driver rme96_driver = {
.name = KBUILD_MODNAME,
.id_table = snd_rme96_ids,
.probe = snd_rme96_probe,
.remove = __devexit_p(snd_rme96_remove),
};
static int __init alsa_card_rme96_init(void)
{
return pci_register_driver(&driver);
}
static void __exit alsa_card_rme96_exit(void)
{
pci_unregister_driver(&driver);
}
module_init(alsa_card_rme96_init)
module_exit(alsa_card_rme96_exit)
module_pci_driver(rme96_driver);

15
sound/pci/rme9652/hdsp.c
View File

@ -5636,22 +5636,11 @@ static void __devexit snd_hdsp_remove(struct pci_dev *pci)
pci_set_drvdata(pci, NULL);
}
static struct pci_driver driver = {
static struct pci_driver hdsp_driver = {
.name = KBUILD_MODNAME,
.id_table = snd_hdsp_ids,
.probe = snd_hdsp_probe,
.remove = __devexit_p(snd_hdsp_remove),
};
static int __init alsa_card_hdsp_init(void)
{
return pci_register_driver(&driver);
}
static void __exit alsa_card_hdsp_exit(void)
{
pci_unregister_driver(&driver);
}
module_init(alsa_card_hdsp_init)
module_exit(alsa_card_hdsp_exit)
module_pci_driver(hdsp_driver);

16
sound/pci/rme9652/hdspm.c
View File

@ -6918,23 +6918,11 @@ static void __devexit snd_hdspm_remove(struct pci_dev *pci)
pci_set_drvdata(pci, NULL);
}
static struct pci_driver driver = {
static struct pci_driver hdspm_driver = {
.name = KBUILD_MODNAME,
.id_table = snd_hdspm_ids,
.probe = snd_hdspm_probe,
.remove = __devexit_p(snd_hdspm_remove),
};
static int __init alsa_card_hdspm_init(void)
{
return pci_register_driver(&driver);
}
static void __exit alsa_card_hdspm_exit(void)
{
pci_unregister_driver(&driver);
}
module_init(alsa_card_hdspm_init)
module_exit(alsa_card_hdspm_exit)
module_pci_driver(hdspm_driver);

15
sound/pci/rme9652/rme9652.c
View File

@ -2631,22 +2631,11 @@ static void __devexit snd_rme9652_remove(struct pci_dev *pci)
pci_set_drvdata(pci, NULL);
}
static struct pci_driver driver = {
static struct pci_driver rme9652_driver = {
.name = KBUILD_MODNAME,
.id_table = snd_rme9652_ids,
.probe = snd_rme9652_probe,
.remove = __devexit_p(snd_rme9652_remove),
};
static int __init alsa_card_hammerfall_init(void)
{
return pci_register_driver(&driver);
}
static void __exit alsa_card_hammerfall_exit(void)
{
pci_unregister_driver(&driver);
}
module_init(alsa_card_hammerfall_init)
module_exit(alsa_card_hammerfall_exit)
module_pci_driver(rme9652_driver);

13
sound/pci/sis7019.c
View File

@ -1488,15 +1488,4 @@ static struct pci_driver sis7019_driver = {
#endif
};
static int __init sis7019_init(void)
{
return pci_register_driver(&sis7019_driver);
}
static void __exit sis7019_exit(void)
{
pci_unregister_driver(&sis7019_driver);
}
module_init(sis7019_init);
module_exit(sis7019_exit);
module_pci_driver(sis7019_driver);

15
sound/pci/sonicvibes.c
View File

@ -1530,22 +1530,11 @@ static void __devexit snd_sonic_remove(struct pci_dev *pci)
pci_set_drvdata(pci, NULL);
}
static struct pci_driver driver = {
static struct pci_driver sonicvibes_driver = {
.name = KBUILD_MODNAME,
.id_table = snd_sonic_ids,
.probe = snd_sonic_probe,
.remove = __devexit_p(snd_sonic_remove),
};
static int __init alsa_card_sonicvibes_init(void)
{
return pci_register_driver(&driver);
}
static void __exit alsa_card_sonicvibes_exit(void)
{
pci_unregister_driver(&driver);
}
module_init(alsa_card_sonicvibes_init)
module_exit(alsa_card_sonicvibes_exit)
module_pci_driver(sonicvibes_driver);

15
sound/pci/trident/trident.c
View File

@ -172,7 +172,7 @@ static void __devexit snd_trident_remove(struct pci_dev *pci)
pci_set_drvdata(pci, NULL);
}
static struct pci_driver driver = {
static struct pci_driver trident_driver = {
.name = KBUILD_MODNAME,
.id_table = snd_trident_ids,
.probe = snd_trident_probe,
@ -183,15 +183,4 @@ static struct pci_driver driver = {
#endif
};
static int __init alsa_card_trident_init(void)
{
return pci_register_driver(&driver);
}
static void __exit alsa_card_trident_exit(void)
{
pci_unregister_driver(&driver);
}
module_init(alsa_card_trident_init)
module_exit(alsa_card_trident_exit)
module_pci_driver(trident_driver);

15
sound/pci/via82xx.c
View File

@ -2619,7 +2619,7 @@ static void __devexit snd_via82xx_remove(struct pci_dev *pci)
pci_set_drvdata(pci, NULL);
}
static struct pci_driver driver = {
static struct pci_driver via82xx_driver = {
.name = KBUILD_MODNAME,
.id_table = snd_via82xx_ids,
.probe = snd_via82xx_probe,
@ -2630,15 +2630,4 @@ static struct pci_driver driver = {
#endif
};
static int __init alsa_card_via82xx_init(void)
{
return pci_register_driver(&driver);
}
static void __exit alsa_card_via82xx_exit(void)
{
pci_unregister_driver(&driver);
}
module_init(alsa_card_via82xx_init)
module_exit(alsa_card_via82xx_exit)
module_pci_driver(via82xx_driver);

15
sound/pci/via82xx_modem.c
View File

@ -1223,7 +1223,7 @@ static void __devexit snd_via82xx_remove(struct pci_dev *pci)
pci_set_drvdata(pci, NULL);
}
static struct pci_driver driver = {
static struct pci_driver via82xx_modem_driver = {
.name = KBUILD_MODNAME,
.id_table = snd_via82xx_modem_ids,
.probe = snd_via82xx_probe,
@ -1234,15 +1234,4 @@ static struct pci_driver driver = {
#endif
};
static int __init alsa_card_via82xx_init(void)
{
return pci_register_driver(&driver);
}
static void __exit alsa_card_via82xx_exit(void)
{
pci_unregister_driver(&driver);
}
module_init(alsa_card_via82xx_init)
module_exit(alsa_card_via82xx_exit)
module_pci_driver(via82xx_modem_driver);

15
sound/pci/vx222/vx222.c
View File

@ -289,7 +289,7 @@ static int snd_vx222_resume(struct pci_dev *pci)
}
#endif
static struct pci_driver driver = {
static struct pci_driver vx222_driver = {
.name = KBUILD_MODNAME,
.id_table = snd_vx222_ids,
.probe = snd_vx222_probe,
@ -300,15 +300,4 @@ static struct pci_driver driver = {
#endif
};
static int __init alsa_card_vx222_init(void)
{
return pci_register_driver(&driver);
}
static void __exit alsa_card_vx222_exit(void)
{
pci_unregister_driver(&driver);
}
module_init(alsa_card_vx222_init)
module_exit(alsa_card_vx222_exit)
module_pci_driver(vx222_driver);

15
sound/pci/ymfpci/ymfpci.c
View File

@ -350,7 +350,7 @@ static void __devexit snd_card_ymfpci_remove(struct pci_dev *pci)
pci_set_drvdata(pci, NULL);
}
static struct pci_driver driver = {
static struct pci_driver ymfpci_driver = {
.name = KBUILD_MODNAME,
.id_table = snd_ymfpci_ids,
.probe = snd_card_ymfpci_probe,
@ -361,15 +361,4 @@ static struct pci_driver driver = {
#endif
};
static int __init alsa_card_ymfpci_init(void)
{
return pci_register_driver(&driver);
}
static void __exit alsa_card_ymfpci_exit(void)
{
pci_unregister_driver(&driver);
}
module_init(alsa_card_ymfpci_init)
module_exit(alsa_card_ymfpci_exit)
module_pci_driver(ymfpci_driver);

4
sound/sh/sh_dac_audio.c
View File

@ -433,7 +433,7 @@ probe_error:
/*
* "driver" definition
*/
static struct platform_driver driver = {
static struct platform_driver sh_dac_driver = {
.probe = snd_sh_dac_probe,
.remove = snd_sh_dac_remove,
.driver = {
@ -441,4 +441,4 @@ static struct platform_driver driver = {
},
};
module_platform_driver(driver);
module_platform_driver(sh_dac_driver);

2
sound/sound_core.c
View File

@ -361,7 +361,7 @@ int register_sound_special_device(const struct file_operations *fops, int unit,
struct device *dev)
{
const int chain = unit % SOUND_STEP;
int max_unit = 128 + chain;
int max_unit = 256;
const char *name;
char _name[16];

10
sound/usb/card.c
View File

@ -131,8 +131,9 @@ static void snd_usb_stream_disconnect(struct list_head *head)
subs = &as->substream[idx];
if (!subs->num_formats)
continue;
snd_usb_release_substream_urbs(subs, 1);
subs->interface = -1;
subs->data_endpoint = NULL;
subs->sync_endpoint = NULL;
}
}
@ -276,6 +277,7 @@ static int snd_usb_create_streams(struct snd_usb_audio *chip, int ctrlif)
static int snd_usb_audio_free(struct snd_usb_audio *chip)
{
mutex_destroy(&chip->mutex);
kfree(chip);
return 0;
}
@ -336,6 +338,7 @@ static int snd_usb_audio_create(struct usb_device *dev, int idx,
return -ENOMEM;
}
mutex_init(&chip->mutex);
mutex_init(&chip->shutdown_mutex);
chip->index = idx;
chip->dev = dev;
@ -348,6 +351,7 @@ static int snd_usb_audio_create(struct usb_device *dev, int idx,
chip->usb_id = USB_ID(le16_to_cpu(dev->descriptor.idVendor),
le16_to_cpu(dev->descriptor.idProduct));
INIT_LIST_HEAD(&chip->pcm_list);
INIT_LIST_HEAD(&chip->ep_list);
INIT_LIST_HEAD(&chip->midi_list);
INIT_LIST_HEAD(&chip->mixer_list);
@ -565,6 +569,10 @@ static void snd_usb_audio_disconnect(struct usb_device *dev,
list_for_each(p, &chip->pcm_list) {
snd_usb_stream_disconnect(p);
}
/* release the endpoint resources */
list_for_each(p, &chip->ep_list) {
snd_usb_endpoint_free(p);
}
/* release the midi resources */
list_for_each(p, &chip->midi_list) {
snd_usbmidi_disconnect(p);

86
sound/usb/card.h
View File

@ -30,20 +30,71 @@ struct audioformat {
};
struct snd_usb_substream;
struct snd_usb_endpoint;
struct snd_urb_ctx {
struct urb *urb;
unsigned int buffer_size; /* size of data buffer, if data URB */
struct snd_usb_substream *subs;
struct snd_usb_endpoint *ep;
int index; /* index for urb array */
int packets; /* number of packets per urb */
int packet_size[MAX_PACKS_HS]; /* size of packets for next submission */
struct list_head ready_list;
};
struct snd_urb_ops {
int (*prepare)(struct snd_usb_substream *subs, struct snd_pcm_runtime *runtime, struct urb *u);
int (*retire)(struct snd_usb_substream *subs, struct snd_pcm_runtime *runtime, struct urb *u);
int (*prepare_sync)(struct snd_usb_substream *subs, struct snd_pcm_runtime *runtime, struct urb *u);
int (*retire_sync)(struct snd_usb_substream *subs, struct snd_pcm_runtime *runtime, struct urb *u);
struct snd_usb_endpoint {
struct snd_usb_audio *chip;
int use_count;
int ep_num; /* the referenced endpoint number */
int type; /* SND_USB_ENDPOINT_TYPE_* */
unsigned long flags;
void (*prepare_data_urb) (struct snd_usb_substream *subs,
struct urb *urb);
void (*retire_data_urb) (struct snd_usb_substream *subs,
struct urb *urb);
struct snd_usb_substream *data_subs;
struct snd_usb_endpoint *sync_master;
struct snd_usb_endpoint *sync_slave;
struct snd_urb_ctx urb[MAX_URBS];
struct snd_usb_packet_info {
uint32_t packet_size[MAX_PACKS_HS];
int packets;
} next_packet[MAX_URBS];
int next_packet_read_pos, next_packet_write_pos;
struct list_head ready_playback_urbs;
unsigned int nurbs; /* # urbs */
unsigned long active_mask; /* bitmask of active urbs */
unsigned long unlink_mask; /* bitmask of unlinked urbs */
char *syncbuf; /* sync buffer for all sync URBs */
dma_addr_t sync_dma; /* DMA address of syncbuf */
unsigned int pipe; /* the data i/o pipe */
unsigned int freqn; /* nominal sampling rate in fs/fps in Q16.16 format */
unsigned int freqm; /* momentary sampling rate in fs/fps in Q16.16 format */
int freqshift; /* how much to shift the feedback value to get Q16.16 */
unsigned int freqmax; /* maximum sampling rate, used for buffer management */
unsigned int phase; /* phase accumulator */
unsigned int maxpacksize; /* max packet size in bytes */
unsigned int maxframesize; /* max packet size in frames */
unsigned int curpacksize; /* current packet size in bytes (for capture) */
unsigned int curframesize; /* current packet size in frames (for capture) */
unsigned int syncmaxsize; /* sync endpoint packet size */
unsigned int fill_max:1; /* fill max packet size always */
unsigned int datainterval; /* log_2 of data packet interval */
unsigned int syncinterval; /* P for adaptive mode, 0 otherwise */
unsigned char silence_value;
unsigned int stride;
int iface, alt_idx;
spinlock_t lock;
struct list_head list;
};
struct snd_usb_substream {
@ -57,21 +108,6 @@ struct snd_usb_substream {
unsigned int cur_rate; /* current rate (for hw_params callback) */
unsigned int period_bytes; /* current period bytes (for hw_params callback) */
unsigned int altset_idx; /* USB data format: index of alternate setting */
unsigned int datapipe; /* the data i/o pipe */
unsigned int syncpipe; /* 1 - async out or adaptive in */
unsigned int datainterval; /* log_2 of data packet interval */
unsigned int syncinterval; /* P for adaptive mode, 0 otherwise */
unsigned int freqn; /* nominal sampling rate in fs/fps in Q16.16 format */
unsigned int freqm; /* momentary sampling rate in fs/fps in Q16.16 format */
int freqshift; /* how much to shift the feedback value to get Q16.16 */
unsigned int freqmax; /* maximum sampling rate, used for buffer management */
unsigned int phase; /* phase accumulator */
unsigned int maxpacksize; /* max packet size in bytes */
unsigned int maxframesize; /* max packet size in frames */
unsigned int curpacksize; /* current packet size in bytes (for capture) */
unsigned int curframesize; /* current packet size in frames (for capture) */
unsigned int syncmaxsize; /* sync endpoint packet size */
unsigned int fill_max: 1; /* fill max packet size always */
unsigned int txfr_quirk:1; /* allow sub-frame alignment */
unsigned int fmt_type; /* USB audio format type (1-3) */
@ -82,11 +118,10 @@ struct snd_usb_substream {
unsigned long active_mask; /* bitmask of active urbs */
unsigned long unlink_mask; /* bitmask of unlinked urbs */
unsigned int nurbs; /* # urbs */
struct snd_urb_ctx dataurb[MAX_URBS]; /* data urb table */
struct snd_urb_ctx syncurb[SYNC_URBS]; /* sync urb table */
char *syncbuf; /* sync buffer for all sync URBs */
dma_addr_t sync_dma; /* DMA address of syncbuf */
/* data and sync endpoints for this stream */
struct snd_usb_endpoint *data_endpoint;
struct snd_usb_endpoint *sync_endpoint;
unsigned long flags;
u64 formats; /* format bitmasks (all or'ed) */
unsigned int num_formats; /* number of supported audio formats (list) */
@ -94,7 +129,6 @@ struct snd_usb_substream {
struct snd_pcm_hw_constraint_list rate_list; /* limited rates */
spinlock_t lock;
struct snd_urb_ops ops; /* callbacks (must be filled at init) */
int last_frame_number; /* stored frame number */
int last_delay; /* stored delay */
};

1873
sound/usb/endpoint.c
View File

File diff suppressed because it is too large Load Diff

32
sound/usb/endpoint.h
View File

@ -1,21 +1,29 @@
#ifndef __USBAUDIO_ENDPOINT_H
#define __USBAUDIO_ENDPOINT_H
void snd_usb_init_substream(struct snd_usb_stream *as,
int stream,
struct audioformat *fp);
#define SND_USB_ENDPOINT_TYPE_DATA 0
#define SND_USB_ENDPOINT_TYPE_SYNC 1
int snd_usb_init_substream_urbs(struct snd_usb_substream *subs,
unsigned int period_bytes,
unsigned int rate,
unsigned int frame_bits);
struct snd_usb_endpoint *snd_usb_add_endpoint(struct snd_usb_audio *chip,
struct usb_host_interface *alts,
int ep_num, int direction, int type);
void snd_usb_release_substream_urbs(struct snd_usb_substream *subs, int force);
int snd_usb_endpoint_set_params(struct snd_usb_endpoint *ep,
struct snd_pcm_hw_params *hw_params,
struct audioformat *fmt,
struct snd_usb_endpoint *sync_ep);
int snd_usb_substream_prepare(struct snd_usb_substream *subs,
struct snd_pcm_runtime *runtime);
int snd_usb_endpoint_start(struct snd_usb_endpoint *ep);
void snd_usb_endpoint_stop(struct snd_usb_endpoint *ep,
int force, int can_sleep, int wait);
int snd_usb_endpoint_activate(struct snd_usb_endpoint *ep);
int snd_usb_endpoint_deactivate(struct snd_usb_endpoint *ep);
void snd_usb_endpoint_free(struct list_head *head);
int snd_usb_substream_playback_trigger(struct snd_pcm_substream *substream, int cmd);
int snd_usb_substream_capture_trigger(struct snd_pcm_substream *substream, int cmd);
int snd_usb_endpoint_implict_feedback_sink(struct snd_usb_endpoint *ep);
void snd_usb_handle_sync_urb(struct snd_usb_endpoint *ep,
struct snd_usb_endpoint *sender,
const struct urb *urb);
#endif /* __USBAUDIO_ENDPOINT_H */

50
sound/usb/mixer.c
View File

@ -486,7 +486,7 @@ static int set_cur_mix_value(struct usb_mixer_elem_info *cval, int channel,
/*
* TLV callback for mixer volume controls
*/
static int mixer_vol_tlv(struct snd_kcontrol *kcontrol, int op_flag,
int snd_usb_mixer_vol_tlv(struct snd_kcontrol *kcontrol, int op_flag,
unsigned int size, unsigned int __user *_tlv)
{
struct usb_mixer_elem_info *cval = kcontrol->private_data;
@ -770,6 +770,26 @@ static void volume_control_quirks(struct usb_mixer_elem_info *cval,
struct snd_kcontrol *kctl)
{
switch (cval->mixer->chip->usb_id) {
case USB_ID(0x0763, 0x2081): /* M-Audio Fast Track Ultra 8R */
case USB_ID(0x0763, 0x2080): /* M-Audio Fast Track Ultra */
if (strcmp(kctl->id.name, "Effect Duration") == 0) {
snd_printk(KERN_INFO
"usb-audio: set quirk for FTU Effect Duration\n");
cval->min = 0x0000;
cval->max = 0x7f00;
cval->res = 0x0100;
break;
}
if (strcmp(kctl->id.name, "Effect Volume") == 0 ||
strcmp(kctl->id.name, "Effect Feedback Volume") == 0) {
snd_printk(KERN_INFO
"usb-audio: set quirks for FTU Effect Feedback/Volume\n");
cval->min = 0x00;
cval->max = 0x7f;
break;
}
break;
case USB_ID(0x0471, 0x0101):
case USB_ID(0x0471, 0x0104):
case USB_ID(0x0471, 0x0105):
@ -1121,9 +1141,6 @@ static void build_feature_ctl(struct mixer_build *state, void *raw_desc,
len = snd_usb_copy_string_desc(state, nameid,
kctl->id.name, sizeof(kctl->id.name));
/* get min/max values */
get_min_max_with_quirks(cval, 0, kctl);
switch (control) {
case UAC_FU_MUTE:
case UAC_FU_VOLUME:
@ -1155,17 +1172,7 @@ static void build_feature_ctl(struct mixer_build *state, void *raw_desc,
}
append_ctl_name(kctl, control == UAC_FU_MUTE ?
" Switch" : " Volume");
if (control == UAC_FU_VOLUME) {
check_mapped_dB(map, cval);
if (cval->dBmin < cval->dBmax || !cval->initialized) {
kctl->tlv.c = mixer_vol_tlv;
kctl->vd[0].access |=
SNDRV_CTL_ELEM_ACCESS_TLV_READ |
SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK;
}
}
break;
default:
if (! len)
strlcpy(kctl->id.name, audio_feature_info[control-1].name,
@ -1173,6 +1180,19 @@ static void build_feature_ctl(struct mixer_build *state, void *raw_desc,
break;
}
/* get min/max values */
get_min_max_with_quirks(cval, 0, kctl);
if (control == UAC_FU_VOLUME) {
check_mapped_dB(map, cval);
if (cval->dBmin < cval->dBmax || !cval->initialized) {
kctl->tlv.c = snd_usb_mixer_vol_tlv;
kctl->vd[0].access |=
SNDRV_CTL_ELEM_ACCESS_TLV_READ |
SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK;
}
}
range = (cval->max - cval->min) / cval->res;
/* Are there devices with volume range more than 255? I use a bit more
* to be sure. 384 is a resolution magic number found on Logitech
@ -1388,7 +1408,7 @@ static int parse_audio_mixer_unit(struct mixer_build *state, int unitid, void *r
for (pin = 0; pin < input_pins; pin++) {
err = parse_audio_unit(state, desc->baSourceID[pin]);
if (err < 0)
return err;
continue;
err = check_input_term(state, desc->baSourceID[pin], &iterm);
if (err < 0)
return err;

3
sound/usb/mixer.h
View File

@ -68,4 +68,7 @@ int snd_usb_mixer_activate(struct usb_mixer_interface *mixer);
int snd_usb_mixer_add_control(struct usb_mixer_interface *mixer,
struct snd_kcontrol *kctl);
int snd_usb_mixer_vol_tlv(struct snd_kcontrol *kcontrol, int op_flag,
unsigned int size, unsigned int __user *_tlv);
#endif /* __USBMIXER_H */

13
sound/usb/mixer_maps.c
View File

@ -288,6 +288,15 @@ static struct usbmix_name_map scratch_live_map[] = {
{ 0 } /* terminator */
};
static struct usbmix_name_map ebox44_map[] = {
{ 4, NULL }, /* FU */
{ 6, NULL }, /* MU */
{ 7, NULL }, /* FU */
{ 10, NULL }, /* FU */
{ 11, NULL }, /* MU */
{ 0 }
};
/* "Gamesurround Muse Pocket LT" looks same like "Sound Blaster MP3+"
* most importand difference is SU[8], it should be set to "Capture Source"
* to make alsamixer and PA working properly.
@ -371,6 +380,10 @@ static struct usbmix_ctl_map usbmix_ctl_maps[] = {
.map = scratch_live_map,
.ignore_ctl_error = 1,
},
{
.id = USB_ID(0x200c, 0x1018),
.map = ebox44_map,
},
{ 0 } /* terminator */
};

474
sound/usb/mixer_quirks.c
View File

@ -42,6 +42,77 @@
extern struct snd_kcontrol_new *snd_usb_feature_unit_ctl;
/* private_free callback */
static void usb_mixer_elem_free(struct snd_kcontrol *kctl)
{
kfree(kctl->private_data);
kctl->private_data = NULL;
}
/* This function allows for the creation of standard UAC controls.
* See the quirks for M-Audio FTUs or Ebox-44.
* If you don't want to set a TLV callback pass NULL.
*
* Since there doesn't seem to be a devices that needs a multichannel
* version, we keep it mono for simplicity.
*/
static int snd_create_std_mono_ctl(struct usb_mixer_interface *mixer,
unsigned int unitid,
unsigned int control,
unsigned int cmask,
int val_type,
const char *name,
snd_kcontrol_tlv_rw_t *tlv_callback)
{
int err;
struct usb_mixer_elem_info *cval;
struct snd_kcontrol *kctl;
cval = kzalloc(sizeof(*cval), GFP_KERNEL);
if (!cval)
return -ENOMEM;
cval->id = unitid;
cval->mixer = mixer;
cval->val_type = val_type;
cval->channels = 1;
cval->control = control;
cval->cmask = cmask;
/* get_min_max() is called only for integer volumes later,
* so provide a short-cut for booleans */
cval->min = 0;
cval->max = 1;
cval->res = 0;
cval->dBmin = 0;
cval->dBmax = 0;
/* Create control */
kctl = snd_ctl_new1(snd_usb_feature_unit_ctl, cval);
if (!kctl) {
kfree(cval);
return -ENOMEM;
}
/* Set name */
snprintf(kctl->id.name, sizeof(kctl->id.name), name);
kctl->private_free = usb_mixer_elem_free;
/* set TLV */
if (tlv_callback) {
kctl->tlv.c = tlv_callback;
kctl->vd[0].access |=
SNDRV_CTL_ELEM_ACCESS_TLV_READ |
SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK;
}
/* Add control to mixer */
err = snd_usb_mixer_add_control(mixer, kctl);
if (err < 0)
return err;
return 0;
}
/*
* Sound Blaster remote control configuration
*
@ -495,60 +566,218 @@ static int snd_nativeinstruments_create_mixer(struct usb_mixer_interface *mixer,
}
/* M-Audio FastTrack Ultra quirks */
/* FTU Effect switch */
struct snd_ftu_eff_switch_priv_val {
struct usb_mixer_interface *mixer;
int cached_value;
int is_cached;
};
/* private_free callback */
static void usb_mixer_elem_free(struct snd_kcontrol *kctl)
static int snd_ftu_eff_switch_info(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_info *uinfo)
{
kfree(kctl->private_data);
kctl->private_data = NULL;
static const char *texts[8] = {"Room 1",
"Room 2",
"Room 3",
"Hall 1",
"Hall 2",
"Plate",
"Delay",
"Echo"
};
uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
uinfo->count = 1;
uinfo->value.enumerated.items = 8;
if (uinfo->value.enumerated.item > 7)
uinfo->value.enumerated.item = 7;
strcpy(uinfo->value.enumerated.name,
texts[uinfo->value.enumerated.item]);
return 0;
}
static int snd_maudio_ftu_create_ctl(struct usb_mixer_interface *mixer,
int in, int out, const char *name)
static int snd_ftu_eff_switch_get(struct snd_kcontrol *kctl,
struct snd_ctl_elem_value *ucontrol)
{
struct usb_mixer_elem_info *cval;
struct snd_kcontrol *kctl;
struct snd_usb_audio *chip;
struct usb_mixer_interface *mixer;
struct snd_ftu_eff_switch_priv_val *pval;
int err;
unsigned char value[2];
cval = kzalloc(sizeof(*cval), GFP_KERNEL);
if (!cval)
const int id = 6;
const int validx = 1;
const int val_len = 2;
value[0] = 0x00;
value[1] = 0x00;
pval = (struct snd_ftu_eff_switch_priv_val *)
kctl->private_value;
if (pval->is_cached) {
ucontrol->value.enumerated.item[0] = pval->cached_value;
return 0;
}
mixer = (struct usb_mixer_interface *) pval->mixer;
if (snd_BUG_ON(!mixer))
return -EINVAL;
chip = (struct snd_usb_audio *) mixer->chip;
if (snd_BUG_ON(!chip))
return -EINVAL;
err = snd_usb_ctl_msg(chip->dev,
usb_rcvctrlpipe(chip->dev, 0), UAC_GET_CUR,
USB_RECIP_INTERFACE | USB_TYPE_CLASS | USB_DIR_IN,
validx << 8, snd_usb_ctrl_intf(chip) | (id << 8),
value, val_len);
if (err < 0)
return err;
ucontrol->value.enumerated.item[0] = value[0];
pval->cached_value = value[0];
pval->is_cached = 1;
return 0;
}
static int snd_ftu_eff_switch_put(struct snd_kcontrol *kctl,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_usb_audio *chip;
struct snd_ftu_eff_switch_priv_val *pval;
struct usb_mixer_interface *mixer;
int changed, cur_val, err, new_val;
unsigned char value[2];
const int id = 6;
const int validx = 1;
const int val_len = 2;
changed = 0;
pval = (struct snd_ftu_eff_switch_priv_val *)
kctl->private_value;
cur_val = pval->cached_value;
new_val = ucontrol->value.enumerated.item[0];
mixer = (struct usb_mixer_interface *) pval->mixer;
if (snd_BUG_ON(!mixer))
return -EINVAL;
chip = (struct snd_usb_audio *) mixer->chip;
if (snd_BUG_ON(!chip))
return -EINVAL;
if (!pval->is_cached) {
/* Read current value */
err = snd_usb_ctl_msg(chip->dev,
usb_rcvctrlpipe(chip->dev, 0), UAC_GET_CUR,
USB_RECIP_INTERFACE | USB_TYPE_CLASS | USB_DIR_IN,
validx << 8, snd_usb_ctrl_intf(chip) | (id << 8),
value, val_len);
if (err < 0)
return err;
cur_val = value[0];
pval->cached_value = cur_val;
pval->is_cached = 1;
}
/* update value if needed */
if (cur_val != new_val) {
value[0] = new_val;
value[1] = 0;
err = snd_usb_ctl_msg(chip->dev,
usb_sndctrlpipe(chip->dev, 0), UAC_SET_CUR,
USB_RECIP_INTERFACE | USB_TYPE_CLASS | USB_DIR_OUT,
validx << 8, snd_usb_ctrl_intf(chip) | (id << 8),
value, val_len);
if (err < 0)
return err;
pval->cached_value = new_val;
pval->is_cached = 1;
changed = 1;
}
return changed;
}
static int snd_ftu_create_effect_switch(struct usb_mixer_interface *mixer)
{
static struct snd_kcontrol_new template = {
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
.name = "Effect Program Switch",
.index = 0,
.access = SNDRV_CTL_ELEM_ACCESS_READWRITE,
.info = snd_ftu_eff_switch_info,
.get = snd_ftu_eff_switch_get,
.put = snd_ftu_eff_switch_put
};
int err;
struct snd_kcontrol *kctl;
struct snd_ftu_eff_switch_priv_val *pval;
pval = kzalloc(sizeof(*pval), GFP_KERNEL);
if (!pval)
return -ENOMEM;
cval->id = 5;
cval->mixer = mixer;
cval->val_type = USB_MIXER_S16;
cval->channels = 1;
cval->control = out + 1;
cval->cmask = 1 << in;
pval->cached_value = 0;
pval->is_cached = 0;
pval->mixer = mixer;
kctl = snd_ctl_new1(snd_usb_feature_unit_ctl, cval);
template.private_value = (unsigned long) pval;
kctl = snd_ctl_new1(&template, mixer->chip);
if (!kctl) {
kfree(cval);
kfree(pval);
return -ENOMEM;
}
snprintf(kctl->id.name, sizeof(kctl->id.name), name);
kctl->private_free = usb_mixer_elem_free;
return snd_usb_mixer_add_control(mixer, kctl);
err = snd_ctl_add(mixer->chip->card, kctl);
if (err < 0)
return err;
return 0;
}
static int snd_maudio_ftu_create_mixer(struct usb_mixer_interface *mixer)
/* Create volume controls for FTU devices*/
static int snd_ftu_create_volume_ctls(struct usb_mixer_interface *mixer)
{
char name[64];
unsigned int control, cmask;
int in, out, err;
const unsigned int id = 5;
const int val_type = USB_MIXER_S16;
for (out = 0; out < 8; out++) {
control = out + 1;
for (in = 0; in < 8; in++) {
cmask = 1 << in;
snprintf(name, sizeof(name),
"AIn%d - Out%d Capture Volume", in + 1, out + 1);
err = snd_maudio_ftu_create_ctl(mixer, in, out, name);
"AIn%d - Out%d Capture Volume",
in + 1, out + 1);
err = snd_create_std_mono_ctl(mixer, id, control,
cmask, val_type, name,
&snd_usb_mixer_vol_tlv);
if (err < 0)
return err;
}
for (in = 8; in < 16; in++) {
cmask = 1 << in;
snprintf(name, sizeof(name),
"DIn%d - Out%d Playback Volume", in - 7, out + 1);
err = snd_maudio_ftu_create_ctl(mixer, in, out, name);
"DIn%d - Out%d Playback Volume",
in - 7, out + 1);
err = snd_create_std_mono_ctl(mixer, id, control,
cmask, val_type, name,
&snd_usb_mixer_vol_tlv);
if (err < 0)
return err;
}
@ -557,6 +786,191 @@ static int snd_maudio_ftu_create_mixer(struct usb_mixer_interface *mixer)
return 0;
}
/* This control needs a volume quirk, see mixer.c */
static int snd_ftu_create_effect_volume_ctl(struct usb_mixer_interface *mixer)
{
static const char name[] = "Effect Volume";
const unsigned int id = 6;
const int val_type = USB_MIXER_U8;
const unsigned int control = 2;
const unsigned int cmask = 0;
return snd_create_std_mono_ctl(mixer, id, control, cmask, val_type,
name, snd_usb_mixer_vol_tlv);
}
/* This control needs a volume quirk, see mixer.c */
static int snd_ftu_create_effect_duration_ctl(struct usb_mixer_interface *mixer)
{
static const char name[] = "Effect Duration";
const unsigned int id = 6;
const int val_type = USB_MIXER_S16;
const unsigned int control = 3;
const unsigned int cmask = 0;
return snd_create_std_mono_ctl(mixer, id, control, cmask, val_type,
name, snd_usb_mixer_vol_tlv);
}
/* This control needs a volume quirk, see mixer.c */
static int snd_ftu_create_effect_feedback_ctl(struct usb_mixer_interface *mixer)
{
static const char name[] = "Effect Feedback Volume";
const unsigned int id = 6;
const int val_type = USB_MIXER_U8;
const unsigned int control = 4;
const unsigned int cmask = 0;
return snd_create_std_mono_ctl(mixer, id, control, cmask, val_type,
name, NULL);
}
static int snd_ftu_create_effect_return_ctls(struct usb_mixer_interface *mixer)
{
unsigned int cmask;
int err, ch;
char name[48];
const unsigned int id = 7;
const int val_type = USB_MIXER_S16;
const unsigned int control = 7;
for (ch = 0; ch < 4; ++ch) {
cmask = 1 << ch;
snprintf(name, sizeof(name),
"Effect Return %d Volume", ch + 1);
err = snd_create_std_mono_ctl(mixer, id, control,
cmask, val_type, name,
snd_usb_mixer_vol_tlv);
if (err < 0)
return err;
}
return 0;
}
static int snd_ftu_create_effect_send_ctls(struct usb_mixer_interface *mixer)
{
unsigned int cmask;
int err, ch;
char name[48];
const unsigned int id = 5;
const int val_type = USB_MIXER_S16;
const unsigned int control = 9;
for (ch = 0; ch < 8; ++ch) {
cmask = 1 << ch;
snprintf(name, sizeof(name),
"Effect Send AIn%d Volume", ch + 1);
err = snd_create_std_mono_ctl(mixer, id, control, cmask,
val_type, name,
snd_usb_mixer_vol_tlv);
if (err < 0)
return err;
}
for (ch = 8; ch < 16; ++ch) {
cmask = 1 << ch;
snprintf(name, sizeof(name),
"Effect Send DIn%d Volume", ch - 7);
err = snd_create_std_mono_ctl(mixer, id, control, cmask,
val_type, name,
snd_usb_mixer_vol_tlv);
if (err < 0)
return err;
}
return 0;
}
static int snd_ftu_create_mixer(struct usb_mixer_interface *mixer)
{
int err;
err = snd_ftu_create_volume_ctls(mixer);
if (err < 0)
return err;
err = snd_ftu_create_effect_switch(mixer);
if (err < 0)
return err;
err = snd_ftu_create_effect_volume_ctl(mixer);
if (err < 0)
return err;
err = snd_ftu_create_effect_duration_ctl(mixer);
if (err < 0)
return err;
err = snd_ftu_create_effect_feedback_ctl(mixer);
if (err < 0)
return err;
err = snd_ftu_create_effect_return_ctls(mixer);
if (err < 0)
return err;
err = snd_ftu_create_effect_send_ctls(mixer);
if (err < 0)
return err;
return 0;
}
/*
* Create mixer for Electrix Ebox-44
*
* The mixer units from this device are corrupt, and even where they
* are valid they presents mono controls as L and R channels of
* stereo. So we create a good mixer in code.
*/
static int snd_ebox44_create_mixer(struct usb_mixer_interface *mixer)
{
int err;
err = snd_create_std_mono_ctl(mixer, 4, 1, 0x0, USB_MIXER_INV_BOOLEAN,
"Headphone Playback Switch", NULL);
if (err < 0)
return err;
err = snd_create_std_mono_ctl(mixer, 4, 2, 0x1, USB_MIXER_S16,
"Headphone A Mix Playback Volume", NULL);
if (err < 0)
return err;
err = snd_create_std_mono_ctl(mixer, 4, 2, 0x2, USB_MIXER_S16,
"Headphone B Mix Playback Volume", NULL);
if (err < 0)
return err;
err = snd_create_std_mono_ctl(mixer, 7, 1, 0x0, USB_MIXER_INV_BOOLEAN,
"Output Playback Switch", NULL);
if (err < 0)
return err;
err = snd_create_std_mono_ctl(mixer, 7, 2, 0x1, USB_MIXER_S16,
"Output A Playback Volume", NULL);
if (err < 0)
return err;
err = snd_create_std_mono_ctl(mixer, 7, 2, 0x2, USB_MIXER_S16,
"Output B Playback Volume", NULL);
if (err < 0)
return err;
err = snd_create_std_mono_ctl(mixer, 10, 1, 0x0, USB_MIXER_INV_BOOLEAN,
"Input Capture Switch", NULL);
if (err < 0)
return err;
err = snd_create_std_mono_ctl(mixer, 10, 2, 0x1, USB_MIXER_S16,
"Input A Capture Volume", NULL);
if (err < 0)
return err;
err = snd_create_std_mono_ctl(mixer, 10, 2, 0x2, USB_MIXER_S16,
"Input B Capture Volume", NULL);
if (err < 0)
return err;
return 0;
}
void snd_emuusb_set_samplerate(struct snd_usb_audio *chip,
unsigned char samplerate_id)
{
@ -600,7 +1014,7 @@ int snd_usb_mixer_apply_create_quirk(struct usb_mixer_interface *mixer)
case USB_ID(0x0763, 0x2080): /* M-Audio Fast Track Ultra */
case USB_ID(0x0763, 0x2081): /* M-Audio Fast Track Ultra 8R */
err = snd_maudio_ftu_create_mixer(mixer);
err = snd_ftu_create_mixer(mixer);
break;
case USB_ID(0x0b05, 0x1739):
@ -619,6 +1033,10 @@ int snd_usb_mixer_apply_create_quirk(struct usb_mixer_interface *mixer)
snd_nativeinstruments_ta10_mixers,
ARRAY_SIZE(snd_nativeinstruments_ta10_mixers));
break;
case USB_ID(0x200c, 0x1018): /* Electrix Ebox-44 */
err = snd_ebox44_create_mixer(mixer);
break;
}
return err;

451
sound/usb/pcm.c
View File

@ -16,6 +16,7 @@
#include <linux/init.h>
#include <linux/slab.h>
#include <linux/ratelimit.h>
#include <linux/usb.h>
#include <linux/usb/audio.h>
#include <linux/usb/audio-v2.h>
@ -34,6 +35,9 @@
#include "clock.h"
#include "power.h"
#define SUBSTREAM_FLAG_DATA_EP_STARTED 0
#define SUBSTREAM_FLAG_SYNC_EP_STARTED 1
/* return the estimated delay based on USB frame counters */
snd_pcm_uframes_t snd_usb_pcm_delay(struct snd_usb_substream *subs,
unsigned int rate)
@ -208,6 +212,84 @@ int snd_usb_init_pitch(struct snd_usb_audio *chip, int iface,
}
}
static int start_endpoints(struct snd_usb_substream *subs)
{
int err;
if (!subs->data_endpoint)
return -EINVAL;
if (!test_and_set_bit(SUBSTREAM_FLAG_DATA_EP_STARTED, &subs->flags)) {
struct snd_usb_endpoint *ep = subs->data_endpoint;
snd_printdd(KERN_DEBUG "Starting data EP @%p\n", ep);
ep->data_subs = subs;
err = snd_usb_endpoint_start(ep);
if (err < 0) {
clear_bit(SUBSTREAM_FLAG_DATA_EP_STARTED, &subs->flags);
return err;
}
}
if (subs->sync_endpoint &&
!test_and_set_bit(SUBSTREAM_FLAG_SYNC_EP_STARTED, &subs->flags)) {
struct snd_usb_endpoint *ep = subs->sync_endpoint;
snd_printdd(KERN_DEBUG "Starting sync EP @%p\n", ep);
ep->sync_slave = subs->data_endpoint;
err = snd_usb_endpoint_start(ep);
if (err < 0) {
clear_bit(SUBSTREAM_FLAG_SYNC_EP_STARTED, &subs->flags);
return err;
}
}
return 0;
}
static void stop_endpoints(struct snd_usb_substream *subs,
int force, int can_sleep, int wait)
{
if (test_and_clear_bit(SUBSTREAM_FLAG_SYNC_EP_STARTED, &subs->flags))
snd_usb_endpoint_stop(subs->sync_endpoint,
force, can_sleep, wait);
if (test_and_clear_bit(SUBSTREAM_FLAG_DATA_EP_STARTED, &subs->flags))
snd_usb_endpoint_stop(subs->data_endpoint,
force, can_sleep, wait);
}
static int activate_endpoints(struct snd_usb_substream *subs)
{
if (subs->sync_endpoint) {
int ret;
ret = snd_usb_endpoint_activate(subs->sync_endpoint);
if (ret < 0)
return ret;
}
return snd_usb_endpoint_activate(subs->data_endpoint);
}
static int deactivate_endpoints(struct snd_usb_substream *subs)
{
int reta, retb;
reta = snd_usb_endpoint_deactivate(subs->sync_endpoint);
retb = snd_usb_endpoint_deactivate(subs->data_endpoint);
if (reta < 0)
return reta;
if (retb < 0)
return retb;
return 0;
}
/*
* find a matching format and set up the interface
*/
@ -219,7 +301,7 @@ static int set_format(struct snd_usb_substream *subs, struct audioformat *fmt)
struct usb_interface *iface;
unsigned int ep, attr;
int is_playback = subs->direction == SNDRV_PCM_STREAM_PLAYBACK;
int err;
int err, implicit_fb = 0;
iface = usb_ifnum_to_if(dev, fmt->iface);
if (WARN_ON(!iface))
@ -232,40 +314,11 @@ static int set_format(struct snd_usb_substream *subs, struct audioformat *fmt)
if (fmt == subs->cur_audiofmt)
return 0;
/* close the old interface */
if (subs->interface >= 0 && subs->interface != fmt->iface) {
if (usb_set_interface(subs->dev, subs->interface, 0) < 0) {
snd_printk(KERN_ERR "%d:%d:%d: return to setting 0 failed\n",
dev->devnum, fmt->iface, fmt->altsetting);
return -EIO;
}
subs->interface = -1;
subs->altset_idx = 0;
}
/* set interface */
if (subs->interface != fmt->iface || subs->altset_idx != fmt->altset_idx) {
if (usb_set_interface(dev, fmt->iface, fmt->altsetting) < 0) {
snd_printk(KERN_ERR "%d:%d:%d: usb_set_interface failed\n",
dev->devnum, fmt->iface, fmt->altsetting);
return -EIO;
}
snd_printdd(KERN_INFO "setting usb interface %d:%d\n", fmt->iface, fmt->altsetting);
subs->interface = fmt->iface;
subs->altset_idx = fmt->altset_idx;
}
/* create a data pipe */
ep = fmt->endpoint & USB_ENDPOINT_NUMBER_MASK;
if (is_playback)
subs->datapipe = usb_sndisocpipe(dev, ep);
else
subs->datapipe = usb_rcvisocpipe(dev, ep);
subs->datainterval = fmt->datainterval;
subs->syncpipe = subs->syncinterval = 0;
subs->maxpacksize = fmt->maxpacksize;
subs->syncmaxsize = 0;
subs->fill_max = 0;
subs->data_endpoint = snd_usb_add_endpoint(subs->stream->chip,
alts, fmt->endpoint, subs->direction,
SND_USB_ENDPOINT_TYPE_DATA);
if (!subs->data_endpoint)
return -EINVAL;
/* we need a sync pipe in async OUT or adaptive IN mode */
/* check the number of EP, since some devices have broken
@ -273,8 +326,25 @@ static int set_format(struct snd_usb_substream *subs, struct audioformat *fmt)
* assume it as adaptive-out or sync-in.
*/
attr = fmt->ep_attr & USB_ENDPOINT_SYNCTYPE;
switch (subs->stream->chip->usb_id) {
case USB_ID(0x0763, 0x2080): /* M-Audio FastTrack Ultra */
case USB_ID(0x0763, 0x2081):
if (is_playback) {
implicit_fb = 1;
ep = 0x81;
iface = usb_ifnum_to_if(dev, 2);
if (!iface || iface->num_altsetting == 0)
return -EINVAL;
alts = &iface->altsetting[1];
goto add_sync_ep;
}
}
if (((is_playback && attr == USB_ENDPOINT_SYNC_ASYNC) ||
(! is_playback && attr == USB_ENDPOINT_SYNC_ADAPTIVE)) &&
(!is_playback && attr == USB_ENDPOINT_SYNC_ADAPTIVE)) &&
altsd->bNumEndpoints >= 2) {
/* check sync-pipe endpoint */
/* ... and check descriptor size before accessing bSynchAddress
@ -282,7 +352,8 @@ static int set_format(struct snd_usb_substream *subs, struct audioformat *fmt)
the audio fields in the endpoint descriptors */
if ((get_endpoint(alts, 1)->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) != 0x01 ||
(get_endpoint(alts, 1)->bLength >= USB_DT_ENDPOINT_AUDIO_SIZE &&
get_endpoint(alts, 1)->bSynchAddress != 0)) {
get_endpoint(alts, 1)->bSynchAddress != 0 &&
!implicit_fb)) {
snd_printk(KERN_ERR "%d:%d:%d : invalid synch pipe\n",
dev->devnum, fmt->iface, fmt->altsetting);
return -EINVAL;
@ -290,33 +361,27 @@ static int set_format(struct snd_usb_substream *subs, struct audioformat *fmt)
ep = get_endpoint(alts, 1)->bEndpointAddress;
if (get_endpoint(alts, 0)->bLength >= USB_DT_ENDPOINT_AUDIO_SIZE &&
(( is_playback && ep != (unsigned int)(get_endpoint(alts, 0)->bSynchAddress | USB_DIR_IN)) ||
(!is_playback && ep != (unsigned int)(get_endpoint(alts, 0)->bSynchAddress & ~USB_DIR_IN)))) {
(!is_playback && ep != (unsigned int)(get_endpoint(alts, 0)->bSynchAddress & ~USB_DIR_IN)) ||
( is_playback && !implicit_fb))) {
snd_printk(KERN_ERR "%d:%d:%d : invalid synch pipe\n",
dev->devnum, fmt->iface, fmt->altsetting);
return -EINVAL;
}
ep &= USB_ENDPOINT_NUMBER_MASK;
if (is_playback)
subs->syncpipe = usb_rcvisocpipe(dev, ep);
else
subs->syncpipe = usb_sndisocpipe(dev, ep);
if (get_endpoint(alts, 1)->bLength >= USB_DT_ENDPOINT_AUDIO_SIZE &&
get_endpoint(alts, 1)->bRefresh >= 1 &&
get_endpoint(alts, 1)->bRefresh <= 9)
subs->syncinterval = get_endpoint(alts, 1)->bRefresh;
else if (snd_usb_get_speed(subs->dev) == USB_SPEED_FULL)
subs->syncinterval = 1;
else if (get_endpoint(alts, 1)->bInterval >= 1 &&
get_endpoint(alts, 1)->bInterval <= 16)
subs->syncinterval = get_endpoint(alts, 1)->bInterval - 1;
else
subs->syncinterval = 3;
subs->syncmaxsize = le16_to_cpu(get_endpoint(alts, 1)->wMaxPacketSize);
}
/* always fill max packet size */
if (fmt->attributes & UAC_EP_CS_ATTR_FILL_MAX)
subs->fill_max = 1;
implicit_fb = (get_endpoint(alts, 1)->bmAttributes & USB_ENDPOINT_USAGE_MASK)
== USB_ENDPOINT_USAGE_IMPLICIT_FB;
add_sync_ep:
subs->sync_endpoint = snd_usb_add_endpoint(subs->stream->chip,
alts, ep, !subs->direction,
implicit_fb ?
SND_USB_ENDPOINT_TYPE_DATA :
SND_USB_ENDPOINT_TYPE_SYNC);
if (!subs->sync_endpoint)
return -EINVAL;
subs->data_endpoint->sync_master = subs->sync_endpoint;
}
if ((err = snd_usb_init_pitch(subs->stream->chip, subs->interface, alts, fmt)) < 0)
return err;
@ -390,15 +455,30 @@ static int snd_usb_hw_params(struct snd_pcm_substream *substream,
if (changed) {
mutex_lock(&subs->stream->chip->shutdown_mutex);
/* format changed */
snd_usb_release_substream_urbs(subs, 0);
/* influenced: period_bytes, channels, rate, format, */
ret = snd_usb_init_substream_urbs(subs, params_period_bytes(hw_params),
params_rate(hw_params),
snd_pcm_format_physical_width(params_format(hw_params)) *
params_channels(hw_params));
stop_endpoints(subs, 0, 0, 0);
deactivate_endpoints(subs);
ret = activate_endpoints(subs);
if (ret < 0)
goto unlock;
ret = snd_usb_endpoint_set_params(subs->data_endpoint, hw_params, fmt,
subs->sync_endpoint);
if (ret < 0)
goto unlock;
if (subs->sync_endpoint)
ret = snd_usb_endpoint_set_params(subs->sync_endpoint,
hw_params, fmt, NULL);
unlock:
mutex_unlock(&subs->stream->chip->shutdown_mutex);
}
if (ret == 0) {
subs->interface = fmt->iface;
subs->altset_idx = fmt->altset_idx;
}
return ret;
}
@ -415,7 +495,7 @@ static int snd_usb_hw_free(struct snd_pcm_substream *substream)
subs->cur_rate = 0;
subs->period_bytes = 0;
mutex_lock(&subs->stream->chip->shutdown_mutex);
snd_usb_release_substream_urbs(subs, 0);
stop_endpoints(subs, 0, 1, 1);
mutex_unlock(&subs->stream->chip->shutdown_mutex);
return snd_pcm_lib_free_vmalloc_buffer(substream);
}
@ -435,19 +515,28 @@ static int snd_usb_pcm_prepare(struct snd_pcm_substream *substream)
return -ENXIO;
}
if (snd_BUG_ON(!subs->data_endpoint))
return -EIO;
/* some unit conversions in runtime */
subs->maxframesize = bytes_to_frames(runtime, subs->maxpacksize);
subs->curframesize = bytes_to_frames(runtime, subs->curpacksize);
subs->data_endpoint->maxframesize =
bytes_to_frames(runtime, subs->data_endpoint->maxpacksize);
subs->data_endpoint->curframesize =
bytes_to_frames(runtime, subs->data_endpoint->curpacksize);
/* reset the pointer */
subs->hwptr_done = 0;
subs->transfer_done = 0;
subs->phase = 0;
subs->last_delay = 0;
subs->last_frame_number = 0;
runtime->delay = 0;
return snd_usb_substream_prepare(subs, runtime);
/* for playback, submit the URBs now; otherwise, the first hwptr_done
* updates for all URBs would happen at the same time when starting */
if (subs->direction == SNDRV_PCM_STREAM_PLAYBACK)
return start_endpoints(subs);
return 0;
}
static struct snd_pcm_hardware snd_usb_hardware =
@ -842,16 +931,171 @@ static int snd_usb_pcm_open(struct snd_pcm_substream *substream, int direction)
static int snd_usb_pcm_close(struct snd_pcm_substream *substream, int direction)
{
int ret;
struct snd_usb_stream *as = snd_pcm_substream_chip(substream);
struct snd_usb_substream *subs = &as->substream[direction];
if (!as->chip->shutdown && subs->interface >= 0) {
usb_set_interface(subs->dev, subs->interface, 0);
subs->interface = -1;
}
stop_endpoints(subs, 0, 0, 0);
ret = deactivate_endpoints(subs);
subs->pcm_substream = NULL;
snd_usb_autosuspend(subs->stream->chip);
return 0;
return ret;
}
/* Since a URB can handle only a single linear buffer, we must use double
* buffering when the data to be transferred overflows the buffer boundary.
* To avoid inconsistencies when updating hwptr_done, we use double buffering
* for all URBs.
*/
static void retire_capture_urb(struct snd_usb_substream *subs,
struct urb *urb)
{
struct snd_pcm_runtime *runtime = subs->pcm_substream->runtime;
unsigned int stride, frames, bytes, oldptr;
int i, period_elapsed = 0;
unsigned long flags;
unsigned char *cp;
stride = runtime->frame_bits >> 3;
for (i = 0; i < urb->number_of_packets; i++) {
cp = (unsigned char *)urb->transfer_buffer + urb->iso_frame_desc[i].offset;
if (urb->iso_frame_desc[i].status && printk_ratelimit()) {
snd_printdd(KERN_ERR "frame %d active: %d\n", i, urb->iso_frame_desc[i].status);
// continue;
}
bytes = urb->iso_frame_desc[i].actual_length;
frames = bytes / stride;
if (!subs->txfr_quirk)
bytes = frames * stride;
if (bytes % (runtime->sample_bits >> 3) != 0) {
#ifdef CONFIG_SND_DEBUG_VERBOSE
int oldbytes = bytes;
#endif
bytes = frames * stride;
snd_printdd(KERN_ERR "Corrected urb data len. %d->%d\n",
oldbytes, bytes);
}
/* update the current pointer */
spin_lock_irqsave(&subs->lock, flags);
oldptr = subs->hwptr_done;
subs->hwptr_done += bytes;
if (subs->hwptr_done >= runtime->buffer_size * stride)
subs->hwptr_done -= runtime->buffer_size * stride;
frames = (bytes + (oldptr % stride)) / stride;
subs->transfer_done += frames;
if (subs->transfer_done >= runtime->period_size) {
subs->transfer_done -= runtime->period_size;
period_elapsed = 1;
}
spin_unlock_irqrestore(&subs->lock, flags);
/* copy a data chunk */
if (oldptr + bytes > runtime->buffer_size * stride) {
unsigned int bytes1 =
runtime->buffer_size * stride - oldptr;
memcpy(runtime->dma_area + oldptr, cp, bytes1);
memcpy(runtime->dma_area, cp + bytes1, bytes - bytes1);
} else {
memcpy(runtime->dma_area + oldptr, cp, bytes);
}
}
if (period_elapsed)
snd_pcm_period_elapsed(subs->pcm_substream);
}
static void prepare_playback_urb(struct snd_usb_substream *subs,
struct urb *urb)
{
struct snd_pcm_runtime *runtime = subs->pcm_substream->runtime;
struct snd_urb_ctx *ctx = urb->context;
unsigned int counts, frames, bytes;
int i, stride, period_elapsed = 0;
unsigned long flags;
stride = runtime->frame_bits >> 3;
frames = 0;
urb->number_of_packets = 0;
spin_lock_irqsave(&subs->lock, flags);
for (i = 0; i < ctx->packets; i++) {
counts = ctx->packet_size[i];
/* set up descriptor */
urb->iso_frame_desc[i].offset = frames * stride;
urb->iso_frame_desc[i].length = counts * stride;
frames += counts;
urb->number_of_packets++;
subs->transfer_done += counts;
if (subs->transfer_done >= runtime->period_size) {
subs->transfer_done -= runtime->period_size;
period_elapsed = 1;
if (subs->fmt_type == UAC_FORMAT_TYPE_II) {
if (subs->transfer_done > 0) {
/* FIXME: fill-max mode is not
* supported yet */
frames -= subs->transfer_done;
counts -= subs->transfer_done;
urb->iso_frame_desc[i].length =
counts * stride;
subs->transfer_done = 0;
}
i++;
if (i < ctx->packets) {
/* add a transfer delimiter */
urb->iso_frame_desc[i].offset =
frames * stride;
urb->iso_frame_desc[i].length = 0;
urb->number_of_packets++;
}
break;
}
}
if (period_elapsed &&
!snd_usb_endpoint_implict_feedback_sink(subs->data_endpoint)) /* finish at the period boundary */
break;
}
bytes = frames * stride;
if (subs->hwptr_done + bytes > runtime->buffer_size * stride) {
/* err, the transferred area goes over buffer boundary. */
unsigned int bytes1 =
runtime->buffer_size * stride - subs->hwptr_done;
memcpy(urb->transfer_buffer,
runtime->dma_area + subs->hwptr_done, bytes1);
memcpy(urb->transfer_buffer + bytes1,
runtime->dma_area, bytes - bytes1);
} else {
memcpy(urb->transfer_buffer,
runtime->dma_area + subs->hwptr_done, bytes);
}
subs->hwptr_done += bytes;
if (subs->hwptr_done >= runtime->buffer_size * stride)
subs->hwptr_done -= runtime->buffer_size * stride;
runtime->delay += frames;
spin_unlock_irqrestore(&subs->lock, flags);
urb->transfer_buffer_length = bytes;
if (period_elapsed)
snd_pcm_period_elapsed(subs->pcm_substream);
}
/*
* process after playback data complete
* - decrease the delay count again
*/
static void retire_playback_urb(struct snd_usb_substream *subs,
struct urb *urb)
{
unsigned long flags;
struct snd_pcm_runtime *runtime = subs->pcm_substream->runtime;
int stride = runtime->frame_bits >> 3;
int processed = urb->transfer_buffer_length / stride;
spin_lock_irqsave(&subs->lock, flags);
if (processed > runtime->delay)
runtime->delay = 0;
else
runtime->delay -= processed;
spin_unlock_irqrestore(&subs->lock, flags);
}
static int snd_usb_playback_open(struct snd_pcm_substream *substream)
@ -874,6 +1118,63 @@ static int snd_usb_capture_close(struct snd_pcm_substream *substream)
return snd_usb_pcm_close(substream, SNDRV_PCM_STREAM_CAPTURE);
}
static int snd_usb_substream_playback_trigger(struct snd_pcm_substream *substream,
int cmd)
{
struct snd_usb_substream *subs = substream->runtime->private_data;
switch (cmd) {
case SNDRV_PCM_TRIGGER_START:
case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
subs->data_endpoint->prepare_data_urb = prepare_playback_urb;
subs->data_endpoint->retire_data_urb = retire_playback_urb;
subs->running = 1;
return 0;
case SNDRV_PCM_TRIGGER_STOP:
stop_endpoints(subs, 0, 0, 0);
subs->running = 0;
return 0;
case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
subs->data_endpoint->prepare_data_urb = NULL;
subs->data_endpoint->retire_data_urb = NULL;
subs->running = 0;
return 0;
}
return -EINVAL;
}
int snd_usb_substream_capture_trigger(struct snd_pcm_substream *substream, int cmd)
{
int err;
struct snd_usb_substream *subs = substream->runtime->private_data;
switch (cmd) {
case SNDRV_PCM_TRIGGER_START:
err = start_endpoints(subs);
if (err < 0)
return err;
subs->data_endpoint->retire_data_urb = retire_capture_urb;
subs->running = 1;
return 0;
case SNDRV_PCM_TRIGGER_STOP:
stop_endpoints(subs, 0, 0, 0);
subs->running = 0;
return 0;
case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
subs->data_endpoint->retire_data_urb = NULL;
subs->running = 0;
return 0;
case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
subs->data_endpoint->retire_data_urb = retire_capture_urb;
subs->running = 1;
return 0;
}
return -EINVAL;
}
static struct snd_pcm_ops snd_usb_playback_ops = {
.open = snd_usb_playback_open,
.close = snd_usb_playback_close,

38
sound/usb/proc.c
View File

@ -25,6 +25,7 @@
#include "usbaudio.h"
#include "helper.h"
#include "card.h"
#include "endpoint.h"
#include "proc.h"
/* convert our full speed USB rate into sampling rate in Hz */
@ -115,28 +116,33 @@ static void proc_dump_substream_formats(struct snd_usb_substream *subs, struct s
}
}
static void proc_dump_ep_status(struct snd_usb_substream *subs,
struct snd_usb_endpoint *ep,
struct snd_info_buffer *buffer)
{
if (!ep)
return;
snd_iprintf(buffer, " Packet Size = %d\n", ep->curpacksize);
snd_iprintf(buffer, " Momentary freq = %u Hz (%#x.%04x)\n",
snd_usb_get_speed(subs->dev) == USB_SPEED_FULL
? get_full_speed_hz(ep->freqm)
: get_high_speed_hz(ep->freqm),
ep->freqm >> 16, ep->freqm & 0xffff);
if (ep->freqshift != INT_MIN) {
int res = 16 - ep->freqshift;
snd_iprintf(buffer, " Feedback Format = %d.%d\n",
(ep->syncmaxsize > 3 ? 32 : 24) - res, res);
}
}
static void proc_dump_substream_status(struct snd_usb_substream *subs, struct snd_info_buffer *buffer)
{
if (subs->running) {
unsigned int i;
snd_iprintf(buffer, " Status: Running\n");
snd_iprintf(buffer, " Interface = %d\n", subs->interface);
snd_iprintf(buffer, " Altset = %d\n", subs->altset_idx);
snd_iprintf(buffer, " URBs = %d [ ", subs->nurbs);
for (i = 0; i < subs->nurbs; i++)
snd_iprintf(buffer, "%d ", subs->dataurb[i].packets);
snd_iprintf(buffer, "]\n");
snd_iprintf(buffer, " Packet Size = %d\n", subs->curpacksize);
snd_iprintf(buffer, " Momentary freq = %u Hz (%#x.%04x)\n",
snd_usb_get_speed(subs->dev) == USB_SPEED_FULL
? get_full_speed_hz(subs->freqm)
: get_high_speed_hz(subs->freqm),
subs->freqm >> 16, subs->freqm & 0xffff);
if (subs->freqshift != INT_MIN)
snd_iprintf(buffer, " Feedback Format = %d.%d\n",
(subs->syncmaxsize > 3 ? 32 : 24)
- (16 - subs->freqshift),
16 - subs->freqshift);
proc_dump_ep_status(subs, subs->data_endpoint, buffer);
proc_dump_ep_status(subs, subs->sync_endpoint, buffer);
} else {
snd_iprintf(buffer, " Status: Stop\n");
}

31
sound/usb/stream.c
View File

@ -73,6 +73,31 @@ static void snd_usb_audio_pcm_free(struct snd_pcm *pcm)
}
}
/*
* initialize the substream instance.
*/
static void snd_usb_init_substream(struct snd_usb_stream *as,
int stream,
struct audioformat *fp)
{
struct snd_usb_substream *subs = &as->substream[stream];
INIT_LIST_HEAD(&subs->fmt_list);
spin_lock_init(&subs->lock);
subs->stream = as;
subs->direction = stream;
subs->dev = as->chip->dev;
subs->txfr_quirk = as->chip->txfr_quirk;
snd_usb_set_pcm_ops(as->pcm, stream);
list_add_tail(&fp->list, &subs->fmt_list);
subs->formats |= fp->formats;
subs->num_formats++;
subs->fmt_type = fp->fmt_type;
}
/*
* add this endpoint to the chip instance.
@ -94,9 +119,9 @@ int snd_usb_add_audio_stream(struct snd_usb_audio *chip,
if (as->fmt_type != fp->fmt_type)
continue;
subs = &as->substream[stream];
if (!subs->endpoint)
if (!subs->data_endpoint)
continue;
if (subs->endpoint == fp->endpoint) {
if (subs->data_endpoint->ep_num == fp->endpoint) {
list_add_tail(&fp->list, &subs->fmt_list);
subs->num_formats++;
subs->formats |= fp->formats;
@ -109,7 +134,7 @@ int snd_usb_add_audio_stream(struct snd_usb_audio *chip,
if (as->fmt_type != fp->fmt_type)
continue;
subs = &as->substream[stream];
if (subs->endpoint)
if (subs->data_endpoint)
continue;
err = snd_pcm_new_stream(as->pcm, stream, 1);
if (err < 0)

2
sound/usb/usbaudio.h
View File

@ -36,6 +36,7 @@ struct snd_usb_audio {
struct snd_card *card;
struct usb_interface *pm_intf;
u32 usb_id;
struct mutex mutex;
struct mutex shutdown_mutex;
unsigned int shutdown:1;
unsigned int probing:1;
@ -46,6 +47,7 @@ struct snd_usb_audio {
int num_suspended_intf;
struct list_head pcm_list; /* list of pcm streams */
struct list_head ep_list; /* list of audio-related endpoints */
int pcm_devs;
struct list_head midi_list; /* list of midi interfaces */