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: Mark Brown broonie@opensource.wolfsonmicro.com --- sound/soc/samsung/speyside_wm8962.c | 6 ++++++ 1 files changed, 6 insertions(+), 0 deletions(-)
diff --git a/sound/soc/samsung/speyside_wm8962.c b/sound/soc/samsung/speyside_wm8962.c index 753e1c2..3820a6b 100644 --- a/sound/soc/samsung/speyside_wm8962.c +++ b/sound/soc/samsung/speyside_wm8962.c @@ -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,