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ASoC: wm8770: Remove unneeded bias level manipulation

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Since the device is now idle_bias_off these never have any useful effect,
the device will be brought to _OFF when idle, and will at best leave it
powered for longer.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
This commit is contained in:
Mark Brown 2012-10-10 20:24:23 +09:00
parent dc43b04671
commit c16a742891
1 changed files with 0 additions and 22 deletions
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22
sound/soc/codecs/wm8770.c
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@ -572,23 +572,6 @@ static struct snd_soc_dai_driver wm8770_dai = {
.symmetric_rates = 1 .symmetric_rates = 1
}; };
#ifdef CONFIG_PM
static int wm8770_suspend(struct snd_soc_codec *codec)
{
wm8770_set_bias_level(codec, SND_SOC_BIAS_OFF);
return 0;
}
static int wm8770_resume(struct snd_soc_codec *codec)
{
wm8770_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
return 0;
}
#else
#define wm8770_suspend NULL
#define wm8770_resume NULL
#endif
static int wm8770_probe(struct snd_soc_codec *codec) static int wm8770_probe(struct snd_soc_codec *codec)
{ {
struct wm8770_priv *wm8770; struct wm8770_priv *wm8770;
@ -642,8 +625,6 @@ static int wm8770_probe(struct snd_soc_codec *codec)
goto err_reg_enable; goto err_reg_enable;
} }
wm8770_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
/* latch the volume update bits */ /* latch the volume update bits */
snd_soc_update_bits(codec, WM8770_MSDIGVOL, 0x100, 0x100); snd_soc_update_bits(codec, WM8770_MSDIGVOL, 0x100, 0x100);
snd_soc_update_bits(codec, WM8770_MSALGVOL, 0x100, 0x100); snd_soc_update_bits(codec, WM8770_MSALGVOL, 0x100, 0x100);
@ -680,7 +661,6 @@ static int wm8770_remove(struct snd_soc_codec *codec)
int i; int i;
wm8770 = snd_soc_codec_get_drvdata(codec); wm8770 = snd_soc_codec_get_drvdata(codec);
wm8770_set_bias_level(codec, SND_SOC_BIAS_OFF);
for (i = 0; i < ARRAY_SIZE(wm8770->supplies); ++i) for (i = 0; i < ARRAY_SIZE(wm8770->supplies); ++i)
regulator_unregister_notifier(wm8770->supplies[i].consumer, regulator_unregister_notifier(wm8770->supplies[i].consumer,
@ -692,8 +672,6 @@ static int wm8770_remove(struct snd_soc_codec *codec)
static struct snd_soc_codec_driver soc_codec_dev_wm8770 = { static struct snd_soc_codec_driver soc_codec_dev_wm8770 = {
.probe = wm8770_probe, .probe = wm8770_probe,
.remove = wm8770_remove, .remove = wm8770_remove,
.suspend = wm8770_suspend,
.resume = wm8770_resume,
.set_bias_level = wm8770_set_bias_level, .set_bias_level = wm8770_set_bias_level,
.idle_bias_off = true, .idle_bias_off = true,
}; };