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Commit f79e7ff8 authored by Mark Brown's avatar Mark Brown
Browse files

ASoC: Ensure we only run Speyside WM8962 bias level callbacks once 



We get called once per DAPM context but only need to run once. When DAPM
was serialized this was a series of noops but now it can run in parallel
we need to take proper care.

Signed-off-by: default avatarMark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: default avatarLiam Girdwood <lrg@ti.com>
parent 7691cd74

sound/soc/samsung/speyside_wm8962.c

+6 −0
Original line number Diff line number Diff line
@@ -23,6 +23,9 @@ static int speyside_wm8962_set_bias_level(struct snd_soc_card *card, 
	struct snd_soc_dai *codec_dai = card->rtd[0].codec_dai;

	int ret;



	if (dapm->dev != codec_dai->dev)

		return 0;



	switch (level) {

	case SND_SOC_BIAS_PREPARE:

		if (dapm->bias_level == SND_SOC_BIAS_STANDBY) {
@@ -57,6 +60,9 @@ static int speyside_wm8962_set_bias_level_post(struct snd_soc_card *card, 
	struct snd_soc_dai *codec_dai = card->rtd[0].codec_dai;

	int ret;



	if (dapm->dev != codec_dai->dev)

		return 0;



	switch (level) {

	case SND_SOC_BIAS_STANDBY:

		ret = snd_soc_dai_set_sysclk(codec_dai, WM8962_SYSCLK_MCLK,