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ALSA CVS update 

HDA Codec driver,HDA generic driver
Summar: hda-codec - MFG support

This adds Modem Functional Group (MFG) support and option for 9600
sample rate.

Signed-off-by: Sasha Khapyorsky <sashak@smlink.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Sasha Khapyorsky 2005-08-11 11:00:16 +02:00 committed by Jaroslav Kysela
parent 443feb8826
commit 673b683a07
3 changed files with 22 additions and 12 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

28
sound/pci/hda/hda_codec.c
View File

@ -432,22 +432,26 @@ void snd_hda_get_codec_name(struct hda_codec *codec,
}
/*
* look for an AFG node
*
* return 0 if not found
* look for an AFG and MFG nodes
*/
static int look_for_afg_node(struct hda_codec *codec)
static void setup_fg_nodes(struct hda_codec *codec)
{
int i, total_nodes;
hda_nid_t nid;
total_nodes = snd_hda_get_sub_nodes(codec, AC_NODE_ROOT, &nid);
for (i = 0; i < total_nodes; i++, nid++) {
if ((snd_hda_param_read(codec, nid, AC_PAR_FUNCTION_TYPE) & 0xff) ==
AC_GRP_AUDIO_FUNCTION)
return nid;
switch((snd_hda_param_read(codec, nid, AC_PAR_FUNCTION_TYPE) & 0xff)) {
case AC_GRP_AUDIO_FUNCTION:
codec->afg = nid;
break;
case AC_GRP_MODEM_FUNCTION:
codec->mfg = nid;
break;
default:
break;
}
}
return 0;
}
/*
@ -507,10 +511,9 @@ int snd_hda_codec_new(struct hda_bus *bus, unsigned int codec_addr,
codec->subsystem_id = snd_hda_param_read(codec, AC_NODE_ROOT, AC_PAR_SUBSYSTEM_ID);
codec->revision_id = snd_hda_param_read(codec, AC_NODE_ROOT, AC_PAR_REV_ID);
/* FIXME: support for multiple AFGs? */
codec->afg = look_for_afg_node(codec);
if (! codec->afg) {
snd_printdd("hda_codec: no AFG node found\n");
setup_fg_nodes(codec);
if (! codec->afg && ! codec->mfg) {
snd_printdd("hda_codec: no AFG or MFG node found\n");
snd_hda_codec_free(codec);
return -ENODEV;
}
@ -1163,6 +1166,7 @@ int snd_hda_build_controls(struct hda_bus *bus)
static unsigned int rate_bits[][3] = {
/* rate in Hz, ALSA rate bitmask, HDA format value */
{ 8000, SNDRV_PCM_RATE_8000, 0x0500 }, /* 1/6 x 48 */
{ 9600, SNDRV_PCM_RATE_KNOT, 0x0400 }, /* 1/5 x 48 */
{ 11025, SNDRV_PCM_RATE_11025, 0x4300 }, /* 1/4 x 44 */
{ 16000, SNDRV_PCM_RATE_16000, 0x0200 }, /* 1/3 x 48 */
{ 22050, SNDRV_PCM_RATE_22050, 0x4100 }, /* 1/2 x 44 */

1
sound/pci/hda/hda_codec.h
View File

@ -514,6 +514,7 @@ struct hda_codec {
struct list_head list; /* list point */
hda_nid_t afg; /* AFG node id */
hda_nid_t mfg; /* MFG node id */
/* ids */
u32 vendor_id;

5
sound/pci/hda/hda_generic.c
View File

@ -881,6 +881,11 @@ int snd_hda_parse_generic_codec(struct hda_codec *codec)
struct hda_gspec *spec;
int err;
if(!codec->afg) {
snd_printdd("hda_generic: no generic modem yet\n");
return -ENODEV;
}
spec = kcalloc(1, sizeof(*spec), GFP_KERNEL);
if (spec == NULL) {
printk(KERN_ERR "hda_generic: can't allocate spec\n");