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

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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: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: Liam Girdwood <lrg@slimlogic.co.uk>
This commit is contained in:
Mark Brown 2010-11-18 15:49:38 +00:00
parent 3df94756fe
commit 96b101efae
1 changed files with 22 additions and 5 deletions
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27
sound/soc/codecs/wm8994.c
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@ -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),