dev_get_drvdata() will not return the snd_soc_runtime to which this CODEC is attached, so the current code will result in undefined behavior. To fix this just use regmap_update_bits(cs4349->regmap, ...) directly instead of snd_soc_update_bits(rtd->codec, ...).
Signed-off-by: Lars-Peter Clausen lars@metafoo.de --- sound/soc/codecs/cs4349.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-)
diff --git a/sound/soc/codecs/cs4349.c b/sound/soc/codecs/cs4349.c index a8df8a74..db18799 100644 --- a/sound/soc/codecs/cs4349.c +++ b/sound/soc/codecs/cs4349.c @@ -328,10 +328,9 @@ static int cs4349_i2c_remove(struct i2c_client *client) static int cs4349_runtime_suspend(struct device *dev) { struct cs4349_private *cs4349 = dev_get_drvdata(dev); - struct snd_soc_pcm_runtime *rtd = dev_get_drvdata(dev); int ret;
- ret = snd_soc_update_bits(rtd->codec, CS4349_MISC, PWR_DWN, 1); + ret = regmap_update_bits(cs4349->regmap, CS4349_MISC, PWR_DWN, 1); if (ret < 0) return ret;
@@ -347,10 +346,9 @@ static int cs4349_runtime_suspend(struct device *dev) static int cs4349_runtime_resume(struct device *dev) { struct cs4349_private *cs4349 = dev_get_drvdata(dev); - struct snd_soc_pcm_runtime *rtd = dev_get_drvdata(dev); int ret;
- ret = snd_soc_update_bits(rtd->codec, CS4349_MISC, PWR_DWN, 0); + ret = regmap_update_bits(cs4349->regmap, CS4349_MISC, PWR_DWN, 0); if (ret < 0) return ret;