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-rw-r--r--sound/soc/codecs/wm8903.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/sound/soc/codecs/wm8903.c b/sound/soc/codecs/wm8903.c
index 134e41c870b9..9d88437cdcd1 100644
--- a/sound/soc/codecs/wm8903.c
+++ b/sound/soc/codecs/wm8903.c
@@ -478,6 +478,8 @@ static int wm8903_put_deemph(struct snd_kcontrol *kcontrol,
/* ALSA can only do steps of .01dB */
static const DECLARE_TLV_DB_SCALE(digital_tlv, -7200, 75, 1);
+static const DECLARE_TLV_DB_SCALE(dac_boost_tlv, 0, 600, 0);
+
static const DECLARE_TLV_DB_SCALE(digital_sidetone_tlv, -3600, 300, 0);
static const DECLARE_TLV_DB_SCALE(out_tlv, -5700, 100, 0);
@@ -698,6 +700,8 @@ SOC_ENUM("DAC Mute Mode", mute_mode),
SOC_SINGLE("DAC Mono Switch", WM8903_DAC_DIGITAL_1, 12, 1, 0),
SOC_ENUM("DAC Companding Mode", dac_companding),
SOC_SINGLE("DAC Companding Switch", WM8903_AUDIO_INTERFACE_0, 1, 1, 0),
+SOC_SINGLE_TLV("DAC Boost Volume", WM8903_AUDIO_INTERFACE_0, 9, 3, 0,
+ dac_boost_tlv),
SOC_SINGLE_BOOL_EXT("Playback Deemphasis Switch", 0,
wm8903_get_deemph, wm8903_put_deemph),
@@ -1083,6 +1087,8 @@ static const struct snd_soc_dapm_route wm8903_intercon[] = {
{ "ROP", NULL, "Right Speaker PGA" },
{ "RON", NULL, "Right Speaker PGA" },
+ { "Charge Pump", NULL, "CLK_DSP" },
+
{ "Left Headphone Output PGA", NULL, "Charge Pump" },
{ "Right Headphone Output PGA", NULL, "Charge Pump" },
{ "Left Line Output PGA", NULL, "Charge Pump" },