ASoC: rt5645: Add the control of ClassD modulator Speaker Gain Ratio

[cascardo/linux.git] / sound / soc / codecs / rt5645.c

diff --git a/sound/soc/codecs/rt5645.c b/sound/soc/codecs/rt5645.c
index b0d96b6..1f7045b 100644 (file)
--- a/sound/soc/codecs/rt5645.c
+++ b/sound/soc/codecs/rt5645.c
@@ -469,6 +469,14 @@ static const DECLARE_TLV_DB_RANGE(bst_tlv,
        8, 8, TLV_DB_SCALE_ITEM(5200, 0, 0)
 );
 
+/* {-6, -4.5, -3, -1.5, 0, 0.82, 1.58, 2.28} dB */
+static const DECLARE_TLV_DB_RANGE(spk_clsd_tlv,
+       0, 4, TLV_DB_SCALE_ITEM(-600, 150, 0),
+       5, 5, TLV_DB_SCALE_ITEM(82, 0, 0),
+       6, 6, TLV_DB_SCALE_ITEM(158, 0, 0),
+       7, 7, TLV_DB_SCALE_ITEM(228, 0, 0)
+);
+
 static const struct snd_kcontrol_new rt5645_snd_controls[] = {
        /* Speaker Output Volume */
        SOC_DOUBLE("Speaker Channel Switch", RT5645_SPK_VOL,
@@ -476,6 +484,10 @@ static const struct snd_kcontrol_new rt5645_snd_controls[] = {
        SOC_DOUBLE_TLV("Speaker Playback Volume", RT5645_SPK_VOL,
                RT5645_L_VOL_SFT, RT5645_R_VOL_SFT, 39, 1, out_vol_tlv),
 
+       /* ClassD modulator Speaker Gain Ratio */
+       SOC_SINGLE_TLV("Speaker ClassD Playback Volume", RT5645_SPO_CLSD_RATIO,
+               RT5645_SPK_G_CLSD_SFT, 7, 0, spk_clsd_tlv),
+
        /* Headphone Output Volume */
        SOC_DOUBLE("Headphone Channel Switch", RT5645_HP_VOL,
                RT5645_VOL_L_SFT, RT5645_VOL_R_SFT, 1, 1),