[alsa-devel] [PATCH v2] ASoC: wm8741: Add digital mute callback

[Sergej Sawazki]

Signed-off-by: Sergej Sawazki <sergej at taudac.com>
---
Changes in v2:
 * Refactored debug message.

 sound/soc/codecs/wm8741.c | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/sound/soc/codecs/wm8741.c b/sound/soc/codecs/wm8741.c
index b8c1940..5571882 100644
--- a/sound/soc/codecs/wm8741.c
+++ b/sound/soc/codecs/wm8741.c
@@ -351,6 +351,17 @@ static int wm8741_set_dai_fmt(struct snd_soc_dai *codec_dai,
 	return 0;
 }
 
+int wm8741_mute(struct snd_soc_dai *codec_dai, int mute)
+{
+	struct snd_soc_codec *codec = codec_dai->codec;
+
+	dev_dbg(codec->dev, "wm8741_mute:    mute = %d\n", mute);
+
+	snd_soc_update_bits(codec, WM8741_VOLUME_CONTROL,
+			WM8741_SOFT_MASK, !!mute << WM8741_SOFT_SHIFT);
+	return 0;
+}
+
 #define WM8741_RATES (SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 | \
 			SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_88200 | \
 			SNDRV_PCM_RATE_96000 | SNDRV_PCM_RATE_176400 | \
@@ -364,6 +375,7 @@ static const struct snd_soc_dai_ops wm8741_dai_ops = {
 	.hw_params	= wm8741_hw_params,
 	.set_sysclk	= wm8741_set_dai_sysclk,
 	.set_fmt	= wm8741_set_dai_fmt,
+	.digital_mute   = wm8741_mute,
 };
 
 static struct snd_soc_dai_driver wm8741_dai = {
-- 
2.7.4