Unverified Commit fbb1f8ba authored by Jack Yu's avatar Jack Yu Committed by Mark Brown
Browse files

ASoC: rt1320-sdw: kcontrol for brown-out feature update 



Create a kcontrol to enable or disable brown-out dynamically.

Signed-off-by: default avatarJack Yu <jack.yu@realtek.com>
Link: https://patch.msgid.link/20260409060102.4177554-1-jack.yu@realtek.com


Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent 833011cb

sound/soc/codecs/rt1320-sdw.c

+42 −0
Original line number Diff line number Diff line
@@ -2486,6 +2486,45 @@ static int rt1320_rae_update_put(struct snd_kcontrol *kcontrol, 
	return 0;

}



static int rt1320_brown_out_put(struct snd_kcontrol *kcontrol,

				 struct snd_ctl_elem_value *ucontrol)

{

	struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);

	struct rt1320_sdw_priv *rt1320 = snd_soc_component_get_drvdata(component);

	int ret, changed = 0;



	if (!rt1320->hw_init)

		return 0;



	ret = pm_runtime_resume(component->dev);

	if (ret < 0 && ret != -EACCES)

		return ret;



	if (rt1320->brown_out != ucontrol->value.integer.value[0]) {

		changed = 1;

		rt1320->brown_out = ucontrol->value.integer.value[0];

	}



	if (rt1320->brown_out == 0)

		regmap_write(rt1320->regmap, 0xdb03, 0x00);

	else

		regmap_write(rt1320->regmap, 0xdb03, 0xf0);





	return changed;

}



static int rt1320_brown_out_get(struct snd_kcontrol *kcontrol,

				     struct snd_ctl_elem_value *ucontrol)

{

	struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);

	struct rt1320_sdw_priv *rt1320 = snd_soc_component_get_drvdata(component);



	ucontrol->value.integer.value[0] = rt1320->brown_out;



	return 0;

}



static int rt1320_r0_temperature_get(struct snd_kcontrol *kcontrol,

				     struct snd_ctl_elem_value *ucontrol)

{
@@ -2545,6 +2584,8 @@ static const struct snd_kcontrol_new rt1320_snd_controls[] = { 
		rt1320_r0_temperature_get, rt1320_r0_temperature_put),

	SOC_SINGLE_EXT("RAE Update", SND_SOC_NOPM, 0, 1, 0,

		rt1320_rae_update_get, rt1320_rae_update_put),

	SOC_SINGLE_EXT("Brown Out Switch", SND_SOC_NOPM, 0, 1, 0,

		rt1320_brown_out_get, rt1320_brown_out_put),

};



static const struct snd_kcontrol_new rt1320_spk_l_dac =
@@ -2904,6 +2945,7 @@ static int rt1320_sdw_init(struct device *dev, struct regmap *regmap, 
	rt1320->fu_dapm_mute = true;

	rt1320->fu_mixer_mute[0] = rt1320->fu_mixer_mute[1] =

		rt1320->fu_mixer_mute[2] = rt1320->fu_mixer_mute[3] = true;

	rt1320->brown_out = 1;



	INIT_WORK(&rt1320->load_dspfw_work, rt1320_load_dspfw_work);

sound/soc/codecs/rt1320-sdw.h

+1 −0
Original line number Diff line number Diff line
@@ -159,6 +159,7 @@ struct rt1320_sdw_priv { 
	bool hw_init;

	bool first_hw_init;

	int version_id;

	int brown_out;

	unsigned int dev_id;

	bool fu_dapm_mute;

	bool fu_mixer_mute[4];