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Merge remote-tracking branch 'asoc/topic/dapm' into for-tiwai

This commit is contained in:
Mark Brown 2014-01-16 12:42:53 +00:00
parent a9b68d3b90 f7d3c17096
commit 99896f714a
5 changed files with 75 additions and 11 deletions
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2
include/sound/soc-dai.h
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@ -123,6 +123,8 @@ int snd_soc_dai_set_tristate(struct snd_soc_dai *dai, int tristate);
int snd_soc_dai_digital_mute(struct snd_soc_dai *dai, int mute,
int direction);
int snd_soc_dai_is_dummy(struct snd_soc_dai *dai);
struct snd_soc_dai_ops {
/*
* DAI clocking configuration, all optional.

1
include/sound/soc-dapm.h
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@ -412,6 +412,7 @@ int snd_soc_dapm_new_controls(struct snd_soc_dapm_context *dapm,
int snd_soc_dapm_new_dai_widgets(struct snd_soc_dapm_context *dapm,
struct snd_soc_dai *dai);
int snd_soc_dapm_link_dai_widgets(struct snd_soc_card *card);
void snd_soc_dapm_connect_dai_link_widgets(struct snd_soc_card *card);
int snd_soc_dapm_new_pcm(struct snd_soc_card *card,
const struct snd_soc_pcm_stream *params,
struct snd_soc_dapm_widget *source,

1
sound/soc/soc-core.c
View File

@ -1728,6 +1728,7 @@ static int snd_soc_instantiate_card(struct snd_soc_card *card)
}
snd_soc_dapm_link_dai_widgets(card);
snd_soc_dapm_connect_dai_link_widgets(card);
if (card->controls)
snd_soc_add_card_controls(card, card->controls, card->num_controls);

75
sound/soc/soc-dapm.c
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@ -371,12 +371,16 @@ static void dapm_reset(struct snd_soc_card *card)
}
}
static int soc_widget_read(struct snd_soc_dapm_widget *w, int reg)
static int soc_widget_read(struct snd_soc_dapm_widget *w, int reg,
unsigned int *value)
{
if (w->codec)
return snd_soc_read(w->codec, reg);
else if (w->platform)
return snd_soc_platform_read(w->platform, reg);
if (w->codec) {
*value = snd_soc_read(w->codec, reg);
return 0;
} else if (w->platform) {
*value = snd_soc_platform_read(w->platform, reg);
return 0;
}
dev_err(w->dapm->dev, "ASoC: no valid widget read method\n");
return -1;
@ -430,13 +434,12 @@ static int soc_widget_update_bits_locked(struct snd_soc_dapm_widget *w,
return ret;
} else {
soc_widget_lock(w);
ret = soc_widget_read(w, reg);
ret = soc_widget_read(w, reg, &old);
if (ret < 0) {
soc_widget_unlock(w);
return ret;
}
old = ret;
new = (old & ~mask) | (value & mask);
change = old != new;
if (change) {
@ -513,7 +516,7 @@ static void dapm_set_path_status(struct snd_soc_dapm_widget *w,
unsigned int invert = mc->invert;
if (reg != SND_SOC_NOPM) {
val = soc_widget_read(w, reg);
soc_widget_read(w, reg, &val);
val = (val >> shift) & mask;
if (invert)
val = max - val;
@ -529,7 +532,7 @@ static void dapm_set_path_status(struct snd_soc_dapm_widget *w,
w->kcontrol_news[i].private_value;
int val, item;
val = soc_widget_read(w, e->reg);
soc_widget_read(w, e->reg, &val);
item = (val >> e->shift_l) & e->mask;
if (item < e->max && !strcmp(p->name, e->texts[item]))
@ -558,7 +561,7 @@ static void dapm_set_path_status(struct snd_soc_dapm_widget *w,
w->kcontrol_news[i].private_value;
int val, item;
val = soc_widget_read(w, e->reg);
soc_widget_read(w, e->reg, &val);
val = (val >> e->shift_l) & e->mask;
for (item = 0; item < e->max; item++) {
if (val == e->values[item])
@ -2782,7 +2785,8 @@ int snd_soc_dapm_new_widgets(struct snd_soc_card *card)
/* Read the initial power state from the device */
if (w->reg >= 0) {
val = soc_widget_read(w, w->reg) >> w->shift;
soc_widget_read(w, w->reg, &val);
val = val >> w->shift;
val &= w->mask;
if (val == w->on_val)
w->power = 1;
@ -3634,6 +3638,55 @@ int snd_soc_dapm_link_dai_widgets(struct snd_soc_card *card)
return 0;
}
void snd_soc_dapm_connect_dai_link_widgets(struct snd_soc_card *card)
{
struct snd_soc_pcm_runtime *rtd = card->rtd;
struct snd_soc_dai *cpu_dai, *codec_dai;
struct snd_soc_dapm_route r;
int i;
memset(&r, 0, sizeof(r));
/* for each BE DAI link... */
for (i = 0; i < card->num_rtd; i++) {
rtd = &card->rtd[i];
cpu_dai = rtd->cpu_dai;
codec_dai = rtd->codec_dai;
/* dynamic FE links have no fixed DAI mapping */
if (rtd->dai_link->dynamic)
continue;
/* there is no point in connecting BE DAI links with dummies */
if (snd_soc_dai_is_dummy(codec_dai) ||
snd_soc_dai_is_dummy(cpu_dai))
continue;
/* connect BE DAI playback if widgets are valid */
if (codec_dai->playback_widget && cpu_dai->playback_widget) {
r.source = cpu_dai->playback_widget->name;
r.sink = codec_dai->playback_widget->name;
dev_dbg(rtd->dev, "connected DAI link %s:%s -> %s:%s\n",
cpu_dai->codec->name, r.source,
codec_dai->platform->name, r.sink);
snd_soc_dapm_add_route(&card->dapm, &r);
}
/* connect BE DAI capture if widgets are valid */
if (codec_dai->capture_widget && cpu_dai->capture_widget) {
r.source = codec_dai->capture_widget->name;
r.sink = cpu_dai->capture_widget->name;
dev_dbg(rtd->dev, "connected DAI link %s:%s -> %s:%s\n",
codec_dai->codec->name, r.source,
cpu_dai->platform->name, r.sink);
snd_soc_dapm_add_route(&card->dapm, &r);
}
}
}
static void soc_dapm_stream_event(struct snd_soc_pcm_runtime *rtd, int stream,
int event)
{

7
sound/soc/soc-utils.c
View File

@ -119,6 +119,13 @@ static struct snd_soc_dai_driver dummy_dai = {
},
};
int snd_soc_dai_is_dummy(struct snd_soc_dai *dai)
{
if (dai->driver == &dummy_dai)
return 1;
return 0;
}
static int snd_soc_dummy_probe(struct platform_device *pdev)
{
int ret;