[PATCH v13 10/14] ASoC: sun4i-codec: Add Line Boost Volume.

[Danny Milosavljevic <dannym@scratchpost.org>]

Add Line Boost Volume for Allwinner A10 and Allwinner A20.

Signed-off-by: Danny Milosavljevic <dannym@scratchpost.org>
---
 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 c47ffd5..564df33 100644
--- a/sound/soc/sunxi/sun4i-codec.c
+++ b/sound/soc/sunxi/sun4i-codec.c
@@ -107,6 +107,7 @@
 #define SUN4I_CODEC_ADC_ACTL_PREG2			(23)
 #define SUN4I_CODEC_ADC_ACTL_VADCG			(20)
 #define SUN4I_CODEC_ADC_ACTL_ADCIS			(17)
+#define SUN4I_CODEC_ADC_ACTL_LNPREG			(13)
 #define SUN4I_CODEC_ADC_ACTL_PA_EN			(4)
 #define SUN4I_CODEC_ADC_ACTL_DDE			(3)
 #define SUN4I_CODEC_ADC_DEBUG			(0x2c)
@@ -659,6 +660,8 @@ static const struct snd_kcontrol_new sun4i_codec_pa_mute =
 static DECLARE_TLV_DB_SCALE(sun4i_codec_pa_volume_scale, -6300, 100, 1);
 static DECLARE_TLV_DB_SCALE(sun4i_codec_linein_loopback_gain_scale, -150, 150,
 			    0);
+static DECLARE_TLV_DB_SCALE(sun4i_codec_linein_preamp_gain_scale, -1200, 300,
+			    0);
 static DECLARE_TLV_DB_SCALE(sun4i_codec_fmin_loopback_gain_scale, -450, 150,
 			    0);
 static DECLARE_TLV_DB_SCALE(sun4i_codec_micin_loopback_gain_scale, -450, 150,
@@ -677,6 +680,9 @@ static const struct snd_kcontrol_new sun4i_codec_controls[] = {
 	SOC_SINGLE_TLV("Line Playback Volume", SUN4I_CODEC_DAC_ACTL,
 		       SUN4I_CODEC_DAC_ACTL_LNG, 1, 0,
 		       sun4i_codec_linein_loopback_gain_scale),
+	SOC_SINGLE_TLV("Line Boost Volume", SUN4I_CODEC_ADC_ACTL,
+		       SUN4I_CODEC_ADC_ACTL_LNPREG, 7, 0,
+		       sun4i_codec_linein_preamp_gain_scale),
 	SOC_SINGLE_TLV("FM Playback Volume", SUN4I_CODEC_DAC_ACTL,
 		       SUN4I_CODEC_DAC_ACTL_FMG, 3, 0,
 		       sun4i_codec_fmin_loopback_gain_scale),
-- 
2.1.4