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authorBenoit Cousson <bcousson@baylibre.com>2014-07-08 23:19:36 +0200
committerMark Brown <broonie@linaro.org>2014-07-17 00:06:26 +0200
commit44ba2641b77ab4037b79873ea5afdac3329b1ea3 (patch)
treeba1247564bcd6749040deb0209e21916a0798336 /sound/soc/soc-dapm.c
parentASoC: pcm: Add support for DAI multicodec (diff)
downloadlinux-44ba2641b77ab4037b79873ea5afdac3329b1ea3.tar.xz
linux-44ba2641b77ab4037b79873ea5afdac3329b1ea3.zip
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>
Diffstat (limited to 'sound/soc/soc-dapm.c')
-rw-r--r--sound/soc/soc-dapm.c67
1 files changed, 47 insertions, 20 deletions
diff --git a/sound/soc/soc-dapm.c b/sound/soc/soc-dapm.c
index 4bf08cffd1f1..5c63c3b49f3f 100644
--- a/sound/soc/soc-dapm.c
+++ b/sound/soc/soc-dapm.c
@@ -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);
}