ASoC: adau17x1: Cleanup manual bias level transitions

Set the CODEC driver's suspend_bias_off flag rather than manually going to
SND_SOC_BIAS_OFF in suspend and SND_SOC_BIAS_STANDBY in resume. This makes
the code a bit shorter and cleaner.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Mark Brown <broonie@kernel.org>

4 files changed, 2 insertions, 11 deletions

diff --git a/sound/soc/codecs/adau1761.c b/sound/soc/codecs/adau1761.c
index 848cab839553..5518ebd6947c 100644
--- a/sound/soc/codecs/adau1761.c
+++ b/sound/soc/codecs/adau1761.c
@@ -714,9 +714,9 @@ static int adau1761_codec_probe(struct snd_soc_codec *codec)
 
 static const struct snd_soc_codec_driver adau1761_codec_driver = {
         .probe = adau1761_codec_probe,
-        .suspend = adau17x1_suspend,
         .resume = adau17x1_resume,
         .set_bias_level = adau1761_set_bias_level,
+        .suspend_bias_off = true,
 
         .controls = adau1761_controls,
         .num_controls = ARRAY_SIZE(adau1761_controls),
diff --git a/sound/soc/codecs/adau1781.c b/sound/soc/codecs/adau1781.c
index 045a61413840..e9fc00fb13dd 100644
--- a/sound/soc/codecs/adau1781.c
+++ b/sound/soc/codecs/adau1781.c
@@ -446,9 +446,9 @@ static int adau1781_codec_probe(struct snd_soc_codec *codec)
 
 static const struct snd_soc_codec_driver adau1781_codec_driver = {
         .probe = adau1781_codec_probe,
-        .suspend = adau17x1_suspend,
         .resume = adau17x1_resume,
         .set_bias_level = adau1781_set_bias_level,
+        .suspend_bias_off = true,
 
         .controls = adau1781_controls,
         .num_controls = ARRAY_SIZE(adau1781_controls),
diff --git a/sound/soc/codecs/adau17x1.c b/sound/soc/codecs/adau17x1.c
index 0b659704e60c..3e16c1c64115 100644
--- a/sound/soc/codecs/adau17x1.c
+++ b/sound/soc/codecs/adau17x1.c
@@ -815,13 +815,6 @@ int adau17x1_add_routes(struct snd_soc_codec *codec)
 }
 EXPORT_SYMBOL_GPL(adau17x1_add_routes);
 
-int adau17x1_suspend(struct snd_soc_codec *codec)
-{
-        codec->driver->set_bias_level(codec, SND_SOC_BIAS_OFF);
-        return 0;
-}
-EXPORT_SYMBOL_GPL(adau17x1_suspend);
-
 int adau17x1_resume(struct snd_soc_codec *codec)
 {
         struct adau *adau = snd_soc_codec_get_drvdata(codec);
@@ -829,7 +822,6 @@ int adau17x1_resume(struct snd_soc_codec *codec)
         if (adau->switch_mode)
                 adau->switch_mode(codec->dev);
 
-        codec->driver->set_bias_level(codec, SND_SOC_BIAS_STANDBY);
         regcache_sync(adau->regmap);
 
         return 0;
diff --git a/sound/soc/codecs/adau17x1.h b/sound/soc/codecs/adau17x1.h
index 3ffabaf4c7a8..e4a557fd7155 100644
--- a/sound/soc/codecs/adau17x1.h
+++ b/sound/soc/codecs/adau17x1.h
@@ -52,7 +52,6 @@ int adau17x1_set_micbias_voltage(struct snd_soc_codec *codec,
         enum adau17x1_micbias_voltage micbias);
 bool adau17x1_readable_register(struct device *dev, unsigned int reg);
 bool adau17x1_volatile_register(struct device *dev, unsigned int reg);
-int adau17x1_suspend(struct snd_soc_codec *codec);
 int adau17x1_resume(struct snd_soc_codec *codec);
 
 extern const struct snd_soc_dai_ops adau17x1_dai_ops;