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ASoC: dapm: Add support for DAI multicodec 

Add multicodec support in soc-dapm.c

Signed-off-by: Benoit Cousson <bcousson@baylibre.com>
Signed-off-by: Misael Lopez Cruz <misael.lopez@ti.com>
Signed-off-by: Fabien Parent <fparent@baylibre.com>
Tested-by: Lars-Peter Clausen <lars@metafoo.de>
Reviewed-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Mark Brown <broonie@linaro.org>
hifive-unleashed-5.1
Benoit Cousson 2014-07-08 23:19:36 +02:00 committed by Mark Brown
parent 2e5894d737
commit 44ba2641b7
1 changed files with 47 additions and 20 deletions
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67
sound/soc/soc-dapm.c
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@ -2084,12 +2084,8 @@ int snd_soc_dapm_mixer_update_power(struct snd_soc_dapm_context *dapm,
}
EXPORT_SYMBOL_GPL(snd_soc_dapm_mixer_update_power);
/* show dapm widget status in sys fs */
static ssize_t dapm_widget_show(struct device *dev,
struct device_attribute *attr, char *buf)
static ssize_t dapm_widget_show_codec(struct snd_soc_codec *codec, char *buf)
{
struct snd_soc_pcm_runtime *rtd = dev_get_drvdata(dev);
struct snd_soc_codec *codec =rtd->codec;
struct snd_soc_dapm_widget *w;
int count = 0;
char *state = "not set";
@ -2142,6 +2138,21 @@ static ssize_t dapm_widget_show(struct device *dev,
return count;
}
/* show dapm widget status in sys fs */
static ssize_t dapm_widget_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
struct snd_soc_pcm_runtime *rtd = dev_get_drvdata(dev);
int i, count = 0;
for (i = 0; i < rtd->num_codecs; i++) {
struct snd_soc_codec *codec = rtd->codec_dais[i]->codec;
count += dapm_widget_show_codec(codec, buf + count);
}
return count;
}
static DEVICE_ATTR(dapm_widget, 0444, dapm_widget_show, NULL);
int snd_soc_dapm_sys_add(struct device *dev)
@ -3395,25 +3406,18 @@ 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)
static void dapm_connect_dai_link_widgets(struct snd_soc_card *card,
struct snd_soc_pcm_runtime *rtd)
{
struct snd_soc_pcm_runtime *rtd = card->rtd;
struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
struct snd_soc_dapm_widget *sink, *source;
struct snd_soc_dai *cpu_dai, *codec_dai;
struct snd_soc_dapm_route r;
int i;
/* 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;
memset(&r, 0, sizeof(r));
/*
* dynamic FE links have no fixed DAI mapping.
* CODEC<->CODEC links have no direct connection.
*/
if (rtd->dai_link->dynamic || rtd->dai_link->params)
continue;
for (i = 0; i < rtd->num_codecs; i++) {
struct snd_soc_dai *codec_dai = rtd->codec_dais[i];
/* there is no point in connecting BE DAI links with dummies */
if (snd_soc_dai_is_dummy(codec_dai) ||
@ -3475,11 +3479,34 @@ static void soc_dapm_dai_stream_event(struct snd_soc_dai *dai, int stream,
}
}
void snd_soc_dapm_connect_dai_link_widgets(struct snd_soc_card *card)
{
struct snd_soc_pcm_runtime *rtd = card->rtd;
int i;
/* for each BE DAI link... */
for (i = 0; i < card->num_rtd; i++) {
rtd = &card->rtd[i];
/*
* dynamic FE links have no fixed DAI mapping.
* CODEC<->CODEC links have no direct connection.
*/
if (rtd->dai_link->dynamic || rtd->dai_link->params)
continue;
dapm_connect_dai_link_widgets(card, rtd);
}
}
static void soc_dapm_stream_event(struct snd_soc_pcm_runtime *rtd, int stream,
int event)
{
int i;
soc_dapm_dai_stream_event(rtd->cpu_dai, stream, event);
soc_dapm_dai_stream_event(rtd->codec_dai, stream, event);
for (i = 0; i < rtd->num_codecs; i++)
soc_dapm_dai_stream_event(rtd->codec_dais[i], stream, event);
dapm_power_widgets(rtd->card, event);
}