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Commit cbca4076 authored by Oder Chiou's avatar Oder Chiou Committed by Mark Brown
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ASoC: rt5677: Keep the LDO2 powered while used in the suspend mode 



The patch keeps the ldo2 power while the DSP function of "Voice Wake Up" used
in the suspend mode.

Signed-off-by: default avatarOder Chiou <oder_chiou@realtek.com>
Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent ab1f7095

sound/soc/codecs/rt5677.c

+8 −8
Original line number Original line Diff line number Diff line
@@ -4513,10 +4513,10 @@ static int rt5677_suspend(struct snd_soc_codec *codec) 
	if (!rt5677->dsp_vad_en) {

	if (!rt5677->dsp_vad_en) {

		regcache_cache_only(rt5677->regmap, true);

		regcache_cache_only(rt5677->regmap, true);

		regcache_mark_dirty(rt5677->regmap);

		regcache_mark_dirty(rt5677->regmap);

	}





		if (gpio_is_valid(rt5677->pow_ldo2))

		if (gpio_is_valid(rt5677->pow_ldo2))

			gpio_set_value_cansleep(rt5677->pow_ldo2, 0);

			gpio_set_value_cansleep(rt5677->pow_ldo2, 0);

	}





	return 0;

	return 0;

}

}
@@ -4525,12 +4525,12 @@ static int rt5677_resume(struct snd_soc_codec *codec) 
{

{

	struct rt5677_priv *rt5677 = snd_soc_codec_get_drvdata(codec);

	struct rt5677_priv *rt5677 = snd_soc_codec_get_drvdata(codec);





	if (!rt5677->dsp_vad_en) {

		if (gpio_is_valid(rt5677->pow_ldo2)) {

		if (gpio_is_valid(rt5677->pow_ldo2)) {

			gpio_set_value_cansleep(rt5677->pow_ldo2, 1);

			gpio_set_value_cansleep(rt5677->pow_ldo2, 1);

			msleep(10);

			msleep(10);

		}

		}





	if (!rt5677->dsp_vad_en) {

		regcache_cache_only(rt5677->regmap, false);

		regcache_cache_only(rt5677->regmap, false);

		regcache_sync(rt5677->regmap);

		regcache_sync(rt5677->regmap);

	}

	}