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Commit 2e838e52 authored by Tanya Dixit's avatar Tanya Dixit Committed by Gerrit - the friendly Code Review server
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asoc: codecs: Add support for setting ear gain ctl 



Add support for setting EAR PA gain directly using
mixer control.

Change-Id: Ifd9e31ed45d10b5ea0f9cf546806ef78ece9e181
Signed-off-by: default avatarVatsal Bucha <vbucha@codeaurora.org>
parent 5141b172

asoc/codecs/wcd937x/wcd937x.c

+61 −0
Original line number Diff line number Diff line
@@ -910,6 +910,9 @@ static int wcd937x_codec_enable_ear_pa(struct snd_soc_dapm_widget *w, 
			snd_soc_component_update_bits(component,

					WCD937X_DIGITAL_PDM_WD_CTL0,

					0x17, 0x13);

		if (!wcd937x->comp1_enable)

			snd_soc_component_update_bits(component,

				WCD937X_ANA_EAR_COMPANDER_CTL, 0x80, 0x80);

		break;

	case SND_SOC_DAPM_POST_PMU:

		usleep_range(6000, 6010);
@@ -929,6 +932,9 @@ static int wcd937x_codec_enable_ear_pa(struct snd_soc_dapm_widget *w, 
						(WCD_RX1 << 0x10 | 0x1));

		break;

	case SND_SOC_DAPM_POST_PMD:

		if (!wcd937x->comp1_enable)

			snd_soc_component_update_bits(component,

				WCD937X_ANA_EAR_COMPANDER_CTL, 0x80, 0x00);

		usleep_range(7000, 7010);

		wcd_cls_h_fsm(component, &wcd937x->clsh_info,

			     WCD_CLSH_EVENT_POST_PA,
@@ -1595,6 +1601,48 @@ static int wcd937x_rx_hph_mode_put(struct snd_kcontrol *kcontrol, 
	return 0;

}



static int wcd937x_ear_pa_gain_get(struct snd_kcontrol *kcontrol,

				struct snd_ctl_elem_value *ucontrol)

{

	u8 ear_pa_gain = 0;

	struct snd_soc_component *component =

				snd_soc_kcontrol_component(kcontrol);



	ear_pa_gain = snd_soc_component_read32(component,

				WCD937X_ANA_EAR_COMPANDER_CTL);



	ear_pa_gain = (ear_pa_gain & 0x7C) >> 2;



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



	dev_dbg(component->dev, "%s: ear_pa_gain = 0x%x\n", __func__,

		ear_pa_gain);



	return 0;

}



static int wcd937x_ear_pa_gain_put(struct snd_kcontrol *kcontrol,

				struct snd_ctl_elem_value *ucontrol)

{

	u8 ear_pa_gain = 0;

	struct snd_soc_component *component =

				snd_soc_kcontrol_component(kcontrol);

	struct wcd937x_priv *wcd937x = snd_soc_component_get_drvdata(component);



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

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



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



	if (!wcd937x->comp1_enable) {

		snd_soc_component_update_bits(component,

				WCD937X_ANA_EAR_COMPANDER_CTL,

				0x7C, ear_pa_gain);

	}



	return 0;

}



static int wcd937x_get_compander(struct snd_kcontrol *kcontrol,

				 struct snd_ctl_elem_value *ucontrol)

{
@@ -1690,11 +1738,24 @@ static const char * const rx_hph_mode_mux_text[] = { 
	"CLS_H_ULP", "CLS_AB_HIFI",

};



static const char * const wcd937x_ear_pa_gain_text[] = {

	"G_6_DB", "G_4P5_DB", "G_3_DB", "G_1P5_DB", "G_0_DB",

	"G_M1P5_DB", "G_M3_DB", "G_M4P5_DB",

	"G_M6_DB", "G_7P5_DB", "G_M9_DB",

	"G_M10P5_DB", "G_M12_DB", "G_M13P5_DB",

	"G_M15_DB", "G_M16P5_DB", "G_M18_DB",

};



static const struct soc_enum rx_hph_mode_mux_enum =

	SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(rx_hph_mode_mux_text),

			    rx_hph_mode_mux_text);



static SOC_ENUM_SINGLE_EXT_DECL(wcd937x_ear_pa_gain_enum,

				wcd937x_ear_pa_gain_text);



static const struct snd_kcontrol_new wcd937x_snd_controls[] = {

	SOC_ENUM_EXT("EAR PA GAIN", wcd937x_ear_pa_gain_enum,

		wcd937x_ear_pa_gain_get, wcd937x_ear_pa_gain_put),

	SOC_ENUM_EXT("RX HPH Mode", rx_hph_mode_mux_enum,

		wcd937x_rx_hph_mode_get, wcd937x_rx_hph_mode_put),

	SOC_SINGLE_EXT("HPHL_COMP Switch", SND_SOC_NOPM, 0, 1, 0,