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Commit 96b101ef authored by Mark Brown's avatar Mark Brown
Browse files

ASoC: Provide ADC left/right channel source selection on WM8994 



Allow the application to choose if the ADC data presented on the left
and right channels is sourced from the internal left or right channel.
This allows a mono recording to be presented as stereo on the external
bus.

Signed-off-by: default avatarMark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: default avatarLiam Girdwood <lrg@slimlogic.co.uk>
parent 3df94756

sound/soc/codecs/wm8994.c

+22 −5
Original line number Diff line number Diff line
@@ -2069,21 +2069,33 @@ static int wm8994_get_retune_mobile_enum(struct snd_kcontrol *kcontrol, 
	return 0;

}



static const char *aifdac_src_text[] = {

static const char *aif_chan_src_text[] = {

	"Left", "Right"

};



static const struct soc_enum aif1adcl_src =

	SOC_ENUM_SINGLE(WM8994_AIF1_CONTROL_1, 15, 2, aif_chan_src_text);



static const struct soc_enum aif1adcr_src =

	SOC_ENUM_SINGLE(WM8994_AIF1_CONTROL_1, 14, 2, aif_chan_src_text);



static const struct soc_enum aif2adcl_src =

	SOC_ENUM_SINGLE(WM8994_AIF2_CONTROL_1, 15, 2, aif_chan_src_text);



static const struct soc_enum aif2adcr_src =

	SOC_ENUM_SINGLE(WM8994_AIF2_CONTROL_1, 14, 2, aif_chan_src_text);



static const struct soc_enum aif1dacl_src =

	SOC_ENUM_SINGLE(WM8994_AIF1_CONTROL_2, 15, 2, aifdac_src_text);

	SOC_ENUM_SINGLE(WM8994_AIF1_CONTROL_2, 15, 2, aif_chan_src_text);



static const struct soc_enum aif1dacr_src =

	SOC_ENUM_SINGLE(WM8994_AIF1_CONTROL_2, 14, 2, aifdac_src_text);

	SOC_ENUM_SINGLE(WM8994_AIF1_CONTROL_2, 14, 2, aif_chan_src_text);



static const struct soc_enum aif2dacl_src =

	SOC_ENUM_SINGLE(WM8994_AIF2_CONTROL_2, 15, 2, aifdac_src_text);

	SOC_ENUM_SINGLE(WM8994_AIF2_CONTROL_2, 15, 2, aif_chan_src_text);



static const struct soc_enum aif2dacr_src =

	SOC_ENUM_SINGLE(WM8994_AIF2_CONTROL_2, 14, 2, aifdac_src_text);

	SOC_ENUM_SINGLE(WM8994_AIF2_CONTROL_2, 14, 2, aif_chan_src_text);



static const struct snd_kcontrol_new wm8994_snd_controls[] = {

SOC_DOUBLE_R_TLV("AIF1ADC1 Volume", WM8994_AIF1_ADC1_LEFT_VOLUME,
@@ -2096,6 +2108,11 @@ SOC_DOUBLE_R_TLV("AIF2ADC Volume", WM8994_AIF2_ADC_LEFT_VOLUME, 
		 WM8994_AIF2_ADC_RIGHT_VOLUME,

		 1, 119, 0, digital_tlv),



SOC_ENUM("AIF1ADCL Source", aif1adcl_src),

SOC_ENUM("AIF1ADCR Source", aif1adcr_src),

SOC_ENUM("AIF2ADCL Source", aif1adcl_src),

SOC_ENUM("AIF2ADCR Source", aif1adcr_src),



SOC_ENUM("AIF1DACL Source", aif1dacl_src),

SOC_ENUM("AIF1DACR Source", aif1dacr_src),

SOC_ENUM("AIF2DACL Source", aif1dacl_src),