Commit 8056d9bb authored by Mark Brown's avatar Mark Brown
Browse files

ASoC: Improve WM9713 voice DAC shutdown procedure 



Signed-off-by: default avatarMark Brown <broonie@opensource.wolfsonmicro.com>
parent 93e051d2

sound/soc/codecs/wm9713.c

+4 −3
Original line number Diff line number Diff line
@@ -940,13 +940,14 @@ static void wm9713_voiceshutdown(struct snd_pcm_substream *substream, 
				 struct snd_soc_dai *dai)

{

	struct snd_soc_codec *codec = dai->codec;

	u16 status;

	u16 status, rate;



	/* Gracefully shut down the voice interface. */

	status = ac97_read(codec, AC97_EXTENDED_STATUS) | 0x1000;

	ac97_write(codec, AC97_HANDSET_RATE, 0x0280);

	rate = ac97_read(codec, AC97_HANDSET_RATE) & 0xF0FF;

	ac97_write(codec, AC97_HANDSET_RATE, rate | 0x0200);

	schedule_timeout_interruptible(msecs_to_jiffies(1));

	ac97_write(codec, AC97_HANDSET_RATE, 0x0F80);

	ac97_write(codec, AC97_HANDSET_RATE, rate | 0x0F00);

	ac97_write(codec, AC97_EXTENDED_MID, status);

}