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ASoC: wm8750: 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.

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>
Acked-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Lars-Peter Clausen 2014-11-23 13:37:26 +01:00 committed by Mark Brown
parent f114040e3e
commit d12cbf956f
1 changed files with 1 additions and 24 deletions
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25
sound/soc/codecs/wm8750.c
View File

@ -686,18 +686,6 @@ static struct snd_soc_dai_driver wm8750_dai = {
.ops = &wm8750_dai_ops,
};
static int wm8750_suspend(struct snd_soc_codec *codec)
{
wm8750_set_bias_level(codec, SND_SOC_BIAS_OFF);
return 0;
}
static int wm8750_resume(struct snd_soc_codec *codec)
{
wm8750_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
return 0;
}
static int wm8750_probe(struct snd_soc_codec *codec)
{
int ret;
@ -708,9 +696,6 @@ static int wm8750_probe(struct snd_soc_codec *codec)
return ret;
}
/* charge output caps */
wm8750_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
/* set the update bits */
snd_soc_update_bits(codec, WM8750_LDAC, 0x0100, 0x0100);
snd_soc_update_bits(codec, WM8750_RDAC, 0x0100, 0x0100);
@ -724,18 +709,10 @@ static int wm8750_probe(struct snd_soc_codec *codec)
return ret;
}
static int wm8750_remove(struct snd_soc_codec *codec)
{
wm8750_set_bias_level(codec, SND_SOC_BIAS_OFF);
return 0;
}
static struct snd_soc_codec_driver soc_codec_dev_wm8750 = {
.probe = wm8750_probe,
.remove = wm8750_remove,
.suspend = wm8750_suspend,
.resume = wm8750_resume,
.set_bias_level = wm8750_set_bias_level,
.suspend_bias_off = true,
.controls = wm8750_snd_controls,
.num_controls = ARRAY_SIZE(wm8750_snd_controls),