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ASoC: wm8960: 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.

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 13:37:33 +01:00 committed by Mark Brown
parent e2280c9040
commit 0a87a6e1c0
1 changed files with 1 additions and 30 deletions
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31
sound/soc/codecs/wm8960.c
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@ -943,22 +943,6 @@ static struct snd_soc_dai_driver wm8960_dai = {
.symmetric_rates = 1,
};
static int wm8960_suspend(struct snd_soc_codec *codec)
{
struct wm8960_priv *wm8960 = snd_soc_codec_get_drvdata(codec);
wm8960->set_bias_level(codec, SND_SOC_BIAS_OFF);
return 0;
}
static int wm8960_resume(struct snd_soc_codec *codec)
{
struct wm8960_priv *wm8960 = snd_soc_codec_get_drvdata(codec);
wm8960->set_bias_level(codec, SND_SOC_BIAS_STANDBY);
return 0;
}
static int wm8960_probe(struct snd_soc_codec *codec)
{
struct wm8960_priv *wm8960 = snd_soc_codec_get_drvdata(codec);
@ -976,8 +960,6 @@ static int wm8960_probe(struct snd_soc_codec *codec)
return ret;
}
wm8960->set_bias_level(codec, SND_SOC_BIAS_STANDBY);
/* Latch the update bits */
snd_soc_update_bits(codec, WM8960_LINVOL, 0x100, 0x100);
snd_soc_update_bits(codec, WM8960_RINVOL, 0x100, 0x100);
@ -997,21 +979,10 @@ static int wm8960_probe(struct snd_soc_codec *codec)
return 0;
}
/* power down chip */
static int wm8960_remove(struct snd_soc_codec *codec)
{
struct wm8960_priv *wm8960 = snd_soc_codec_get_drvdata(codec);
wm8960->set_bias_level(codec, SND_SOC_BIAS_OFF);
return 0;
}
static struct snd_soc_codec_driver soc_codec_dev_wm8960 = {
.probe = wm8960_probe,
.remove = wm8960_remove,
.suspend = wm8960_suspend,
.resume = wm8960_resume,
.set_bias_level = wm8960_set_bias_level,
.suspend_bias_off = true,
};
static const struct regmap_config wm8960_regmap = {