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Commit ec590bdb authored by Laxminath Kasam's avatar Laxminath Kasam Committed by Banajit Goswami
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ASoC: wsa881x: Add mixer control to set WSA PA mute 



Add mixer control to allow set WSA speaker PGA mute
when required for any usecase.

Change-Id: Ic02a5973ec25b4c5b613b42129fdab9c0d7a2133
Signed-off-by: default avatarLaxminath Kasam <lkasam@codeaurora.org>
parent b6d3c5ea

sound/soc/codecs/wsa881x.c

+36 −3
Original line number Diff line number Diff line
@@ -104,6 +104,7 @@ struct wsa881x_priv { 
	int state;

	struct delayed_work ocp_ctl_work;

	struct device_node *wsa_rst_np;

	int pa_mute;

};



#define SWR_SLV_MAX_REG_ADDR	0x390
@@ -170,9 +171,41 @@ static int wsa_pa_gain_put(struct snd_kcontrol *kcontrol, 
	return 0;

}



static const struct snd_kcontrol_new wsa_analog_gain_controls[] = {

static int wsa881x_get_mute(struct snd_kcontrol *kcontrol,

			       struct snd_ctl_elem_value *ucontrol)

{



	struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);

	struct wsa881x_priv *wsa881x = snd_soc_codec_get_drvdata(codec);



	ucontrol->value.integer.value[0] = wsa881x->pa_mute;



	return 0;

}



static int wsa881x_set_mute(struct snd_kcontrol *kcontrol,

			       struct snd_ctl_elem_value *ucontrol)

{

	struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);

	struct wsa881x_priv *wsa881x = snd_soc_codec_get_drvdata(codec);

	int value = ucontrol->value.integer.value[0];



	dev_dbg(codec->dev, "%s: mute current %d, new %d\n",

		__func__, wsa881x->pa_mute, value);



	if (value)

		snd_soc_update_bits(codec, WSA881X_SPKR_DRV_EN, 0x80, 0x00);

	wsa881x->pa_mute = value;



	return 0;

}





static const struct snd_kcontrol_new wsa_snd_controls[] = {

	SOC_ENUM_EXT("WSA PA Gain", wsa_pa_gain_enum,

		     wsa_pa_gain_get, wsa_pa_gain_put),

	SOC_SINGLE_EXT("WSA PA Mute", SND_SOC_NOPM, 0, 1, 0,

		wsa881x_get_mute, wsa881x_set_mute),

};



static int codec_debug_open(struct inode *inode, struct file *file)
@@ -1050,8 +1083,8 @@ static int wsa881x_probe(struct snd_soc_codec *codec) 
	wsa881x->tz_pdata.codec = codec;

	wsa881x->tz_pdata.wsa_temp_reg_read = wsa881x_temp_reg_read;

	wsa881x_init_thermal(&wsa881x->tz_pdata);

	snd_soc_add_codec_controls(codec, wsa_analog_gain_controls,

				   ARRAY_SIZE(wsa_analog_gain_controls));

	snd_soc_add_codec_controls(codec, wsa_snd_controls,

				   ARRAY_SIZE(wsa_snd_controls));

	INIT_DELAYED_WORK(&wsa881x->ocp_ctl_work, wsa881x_ocp_ctl_work);

	return 0;

}