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Commit c16a7428 authored by Mark Brown's avatar Mark Brown
Browse files

ASoC: wm8770: Remove unneeded bias level manipulation 



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: default avatarMark Brown <broonie@opensource.wolfsonmicro.com>
parent dc43b046

sound/soc/codecs/wm8770.c

+0 −22
Original line number Diff line number Diff line
@@ -572,23 +572,6 @@ static struct snd_soc_dai_driver wm8770_dai = { 
	.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)

{

	struct wm8770_priv *wm8770;
@@ -642,8 +625,6 @@ static int wm8770_probe(struct snd_soc_codec *codec) 
		goto err_reg_enable;

	}



	wm8770_set_bias_level(codec, SND_SOC_BIAS_STANDBY);



	/* latch the volume update bits */

	snd_soc_update_bits(codec, WM8770_MSDIGVOL, 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;



	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)

		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 = {

	.probe = wm8770_probe,

	.remove = wm8770_remove,

	.suspend = wm8770_suspend,

	.resume = wm8770_resume,

	.set_bias_level = wm8770_set_bias_level,

	.idle_bias_off = true,

};