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Commit 6010b2da authored by Mark Brown's avatar Mark Brown Committed by Jaroslav Kysela
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ALSA: ASoC: Use codec digital mute when stopping playback 



Muting the DAC masks artefacts introduced as the digital stream shuts
down, for example when the input stops being clocked.

Signed-off-by: default avatarMark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: default avatarJaroslav Kysela <perex@perex.cz>
parent 3e860846

sound/soc/soc-core.c

+6 −0
Original line number Diff line number Diff line
@@ -340,6 +340,12 @@ static int soc_codec_close(struct snd_pcm_substream *substream) 
	}

	codec->active--;



	/* Muting the DAC suppresses artifacts caused during digital

	 * shutdown, for example from stopping clocks.

	 */

	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)

		snd_soc_dai_digital_mute(codec_dai, 1);



	if (cpu_dai->ops.shutdown)

		cpu_dai->ops.shutdown(substream);