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ASoC: wm8988: Cleanup manual bias level transitions

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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. Also remove the regcache_mark_dirty()
from the suspend handler since it is already called by the ASoC core.

Since the ASoC core now takes care of setting the bias level to
SND_SOC_BIAS_OFF when removing the CODEC there is no need to do it manually
anymore either.

The manual transition to SND_SOC_BIAS_STANDBY at the end of CODEC probe()
can also be removed as the core will automatically do this after the CODEC
has been probed.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Lars-Peter Clausen 2014-11-23 13:37:39 +01:00 committed by Mark Brown
parent 5d01410fe4
commit 1f07b8de45
1 changed files with 1 additions and 26 deletions
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27
sound/soc/codecs/wm8988.c
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@ -793,21 +793,6 @@ static struct snd_soc_dai_driver wm8988_dai = {
.symmetric_rates = 1,
};
static int wm8988_suspend(struct snd_soc_codec *codec)
{
struct wm8988_priv *wm8988 = snd_soc_codec_get_drvdata(codec);
wm8988_set_bias_level(codec, SND_SOC_BIAS_OFF);
regcache_mark_dirty(wm8988->regmap);
return 0;
}
static int wm8988_resume(struct snd_soc_codec *codec)
{
wm8988_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
return 0;
}
static int wm8988_probe(struct snd_soc_codec *codec)
{
int ret = 0;
@ -825,23 +810,13 @@ static int wm8988_probe(struct snd_soc_codec *codec)
snd_soc_update_bits(codec, WM8988_ROUT2V, 0x0100, 0x0100);
snd_soc_update_bits(codec, WM8988_RINVOL, 0x0100, 0x0100);
wm8988_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
return 0;
}
static int wm8988_remove(struct snd_soc_codec *codec)
{
wm8988_set_bias_level(codec, SND_SOC_BIAS_OFF);
return 0;
}
static struct snd_soc_codec_driver soc_codec_dev_wm8988 = {
.probe = wm8988_probe,
.remove = wm8988_remove,
.suspend = wm8988_suspend,
.resume = wm8988_resume,
.set_bias_level = wm8988_set_bias_level,
.suspend_bias_off = true,
.controls = wm8988_snd_controls,
.num_controls = ARRAY_SIZE(wm8988_snd_controls),