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Commit 960c6bb3 authored by Aravind Kumar's avatar Aravind Kumar
Browse files

ASoC: msm8x16-wcd: Add ADC Volume Control widget 



Add ADC1 widget to control the analog gain.

Change-Id: I1be658fd47db79d776229ab0be983770f4597415
Signed-off-by: default avatarAravind Kumar <akumark@codeaurora.org>
parent 5698cb80

sound/soc/codecs/msm8x16-wcd.c

+80 −0
Original line number Diff line number Diff line
@@ -803,6 +803,76 @@ static int msm8x16_wcd_spk_boost_set(struct snd_kcontrol *kcontrol, 
	return 0;

}



static int msm8x16_wcd_adc_volume_get(struct snd_kcontrol *kcontrol,

				struct snd_ctl_elem_value *ucontrol)

{

	struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);

	u8 adc_volume;



	adc_volume = snd_soc_read(codec, MSM8X16_WCD_A_ANALOG_TX_1_EN);

	adc_volume = (adc_volume >> 3) & 0xF;

	if (adc_volume == 0x00) {

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

	} else if (adc_volume == 0x02) {

		ucontrol->value.integer.value[0] = 1;

	} else if (adc_volume == 0x04) {

		ucontrol->value.integer.value[0] = 2;

	} else if (adc_volume == 0x06) {

		ucontrol->value.integer.value[0] = 3;

	} else if (adc_volume == 0x07) {

		ucontrol->value.integer.value[0] = 4;

	} else if (adc_volume == 0x08) {

		ucontrol->value.integer.value[0] = 5;

	} else {

		dev_err(codec->dev, "%s: ERROR: Unsupported adc volume = %d\n",

			__func__, adc_volume);

		return -EINVAL;

	}



	dev_dbg(codec->dev, "%s: adc volume = %d\n", __func__,

			adc_volume);

	return 0;

}



static int msm8x16_wcd_adc_volume_set(struct snd_kcontrol *kcontrol,

				struct snd_ctl_elem_value *ucontrol)

{

	struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);

	u8 adc_volume;



	dev_dbg(codec->dev, "%s: ucontrol->value.integer.value[0] = %ld\n",

		__func__, ucontrol->value.integer.value[0]);



	switch (ucontrol->value.integer.value[0]) {

	case 0:

		adc_volume = 0x00;

		break;

	case 1:

		adc_volume = 0x02;

		break;

	case 2:

		adc_volume = 0x04;

		break;

	case 3:

		adc_volume = 0x06;

		break;

	case 4:

		adc_volume = 0x07;

		break;

	case 5:

		adc_volume = 0x08;

		break;

	default:

		return -EINVAL;

	}

	adc_volume = (adc_volume << 3);

	snd_soc_update_bits(codec, MSM8X16_WCD_A_ANALOG_TX_1_EN,

			0x78, adc_volume);

	dev_dbg(codec->dev, "%s: adc_volume = %d\n",

		__func__, adc_volume);

	return 0;

}



static int msm8x16_wcd_get_iir_enable_audio_mixer(

					struct snd_kcontrol *kcontrol,

					struct snd_ctl_elem_value *ucontrol)
@@ -1012,6 +1082,13 @@ static const struct soc_enum msm8x16_wcd_spk_boost_ctl_enum[] = { 
		SOC_ENUM_SINGLE_EXT(2, msm8x16_wcd_spk_boost_ctrl_text),

};



static const char * const msm8x16_wcd_adc_volume_ctrl_text[] = {

		"G_0_DB", "G_6_DB", "G_12_DB", "G_18_DB",

		"G_21_DB", "G_24_DB"};

static const struct soc_enum msm8x16_wcd_adc_volume_ctl_enum[] = {

		SOC_ENUM_SINGLE_EXT(6, msm8x16_wcd_adc_volume_ctrl_text),

};



/*cut of frequency for high pass filter*/

static const char * const cf_text[] = {

	"MIN_3DB_4Hz", "MIN_3DB_75Hz", "MIN_3DB_150Hz"
@@ -1040,6 +1117,9 @@ static const struct snd_kcontrol_new msm8x16_wcd_snd_controls[] = { 
	SOC_ENUM_EXT("Speaker Boost", msm8x16_wcd_spk_boost_ctl_enum[0],

		msm8x16_wcd_spk_boost_get, msm8x16_wcd_spk_boost_set),



	SOC_ENUM_EXT("ADC Volume", msm8x16_wcd_adc_volume_ctl_enum[0],

		msm8x16_wcd_adc_volume_get, msm8x16_wcd_adc_volume_set),



	SOC_SINGLE_SX_TLV("RX1 Digital Volume",

			  MSM8X16_WCD_A_CDC_RX1_VOL_CTL_B2_CTL,

			0,  -84, 40, digital_gain),