[alsa-devel] [PATCH v15 2/8] ASoC: sun4i-codec: Add Mic Playback Volume

[Danny Milosavljevic]

Add a control "Mic Playback Volume" that allows the user to control the
MIC gain stage (common for Mic1 and Mic2) leading to the output mixer.

Signed-off-by: Danny Milosavljevic <dannym at scratchpost.org>
---
 sound/soc/sunxi/sun4i-codec.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/sound/soc/sunxi/sun4i-codec.c b/sound/soc/sunxi/sun4i-codec.c
index 7b965bc50..060a40b45 100644
--- a/sound/soc/sunxi/sun4i-codec.c
+++ b/sound/soc/sunxi/sun4i-codec.c
@@ -681,6 +681,9 @@ static const struct snd_kcontrol_new sun4i_codec_controls[] = {
 	SOC_SINGLE_TLV("Power Amplifier Volume", SUN4I_CODEC_DAC_ACTL,
 		       SUN4I_CODEC_DAC_ACTL_PA_VOL, 0x3F, 0,
 		       sun4i_codec_pa_volume_scale),
+	SOC_SINGLE_TLV("Mic Playback Volume", SUN4I_CODEC_DAC_ACTL,
+		       SUN4I_CODEC_DAC_ACTL_MICG, 7, 0,
+		       sun4i_codec_micin_loopback_gain_scale),
 };
 
 static const struct snd_kcontrol_new sun4i_codec_left_mixer_controls[] = {