---
 sound/soc/sunxi/sun4i-codec.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/sound/soc/sunxi/sun4i-codec.c b/sound/soc/sunxi/sun4i-codec.c
index f703293..49b9cd1 100644
--- a/sound/soc/sunxi/sun4i-codec.c
+++ b/sound/soc/sunxi/sun4i-codec.c
@@ -64,6 +64,7 @@
 #define SUN4I_CODEC_DAC_ACTL_DACAENR                   (31)
 #define SUN4I_CODEC_DAC_ACTL_DACAENL                   (30)
 #define SUN4I_CODEC_DAC_ACTL_MIXEN                     (29)
+#define SUN4I_CODEC_DAC_ACTL_MICG                      (20)
 #define SUN4I_CODEC_DAC_ACTL_LDACLMIXS                 (15)
 #define SUN4I_CODEC_DAC_ACTL_RDACRMIXS                 (14)
 #define SUN4I_CODEC_DAC_ACTL_LDACRMIXS                 (13)
@@ -643,11 +644,16 @@ static const struct snd_kcontrol_new sun4i_codec_pa_mute =
                        SUN4I_CODEC_DAC_ACTL_PA_MUTE, 1, 0);
 
 static DECLARE_TLV_DB_SCALE(sun4i_codec_pa_volume_scale, -6300, 100, 1);
+static DECLARE_TLV_DB_SCALE(sun4i_codec_micin_loopback_gain_scale, -450, 150,
+                           0);
 
 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[] = {
-- 
2.1.4

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