ASoC: rt1011: add i2s reference control for rt1011

Add i2s reference control for rt1011 amp.

Signed-off-by: Jack Yu <jack.yu@realtek.com>
Link: https://lore.kernel.org/r/20210906101208.11585-1-jack.yu@realtek.com
Signed-off-by: Mark Brown <broonie@kernel.org>

diff --git a/sound/soc/codecs/rt1011.c b/sound/soc/codecs/rt1011.c
index faff2b558687d51e4dd6944fb4490d44f3251e42..508597866dffa6949ad8686e1ecfef7901b02696 100644 (file)
--- a/sound/soc/codecs/rt1011.c
+++ b/sound/soc/codecs/rt1011.c
@@ -1311,6 +1311,57 @@ static int rt1011_r0_load_info(struct snd_kcontrol *kcontrol,
        .put = rt1011_r0_load_mode_put \
 }
 
+static const char * const rt1011_i2s_ref[] = {
+       "None", "Left Channel", "Right Channel"
+};
+
+static SOC_ENUM_SINGLE_DECL(rt1011_i2s_ref_enum, 0, 0,
+       rt1011_i2s_ref);
+
+static int rt1011_i2s_ref_put(struct snd_kcontrol *kcontrol,
+               struct snd_ctl_elem_value *ucontrol)
+{
+       struct snd_soc_component *component =
+               snd_soc_kcontrol_component(kcontrol);
+       struct rt1011_priv *rt1011 =
+               snd_soc_component_get_drvdata(component);
+       int i2s_ref_ch = ucontrol->value.integer.value[0];
+
+       switch (i2s_ref_ch) {
+       case RT1011_I2S_REF_LEFT_CH:
+               regmap_write(rt1011->regmap, RT1011_TDM_TOTAL_SET, 0x0240);
+               regmap_write(rt1011->regmap, RT1011_TDM1_SET_2, 0x8);
+               regmap_write(rt1011->regmap, RT1011_TDM1_SET_1, 0x1022);
+               regmap_write(rt1011->regmap, RT1011_ADCDAT_OUT_SOURCE, 0x4);
+               break;
+       case RT1011_I2S_REF_RIGHT_CH:
+               regmap_write(rt1011->regmap, RT1011_TDM_TOTAL_SET, 0x0240);
+               regmap_write(rt1011->regmap, RT1011_TDM1_SET_2, 0x8);
+               regmap_write(rt1011->regmap, RT1011_TDM1_SET_1, 0x10a2);
+               regmap_write(rt1011->regmap, RT1011_ADCDAT_OUT_SOURCE, 0x4);
+               break;
+       default:
+               dev_info(component->dev, "I2S Reference: Do nothing\n");
+       }
+
+       rt1011->i2s_ref = ucontrol->value.integer.value[0];
+
+       return 0;
+}
+
+static int rt1011_i2s_ref_get(struct snd_kcontrol *kcontrol,
+               struct snd_ctl_elem_value *ucontrol)
+{
+       struct snd_soc_component *component =
+               snd_soc_kcontrol_component(kcontrol);
+       struct rt1011_priv *rt1011 =
+               snd_soc_component_get_drvdata(component);
+
+       ucontrol->value.integer.value[0] = rt1011->i2s_ref;
+
+       return 0;
+}
+
 static const struct snd_kcontrol_new rt1011_snd_controls[] = {
        /* I2S Data In Selection */
        SOC_ENUM("DIN Source", rt1011_din_source_enum),
@@ -1349,6 +1400,9 @@ static const struct snd_kcontrol_new rt1011_snd_controls[] = {
        /* R0 temperature */
        SOC_SINGLE("R0 Temperature", RT1011_STP_INITIAL_RESISTANCE_TEMP,
                2, 255, 0),
+       /* I2S Reference */
+       SOC_ENUM_EXT("I2S Reference", rt1011_i2s_ref_enum,
+               rt1011_i2s_ref_get, rt1011_i2s_ref_put),
 };
 
 static int rt1011_is_sys_clk_from_pll(struct snd_soc_dapm_widget *source,

diff --git a/sound/soc/codecs/rt1011.h b/sound/soc/codecs/rt1011.h
index 68fadc15fa8c1c061523156dae87151f75745cc0..afb2fad94216fdf172746d4c7b7072d3691d9c30 100644 (file)
--- a/sound/soc/codecs/rt1011.h
+++ b/sound/soc/codecs/rt1011.h
@@ -654,6 +654,12 @@ enum {
        RT1011_AIFS
 };
 
+enum {
+       RT1011_I2S_REF_NONE,
+       RT1011_I2S_REF_LEFT_CH,
+       RT1011_I2S_REF_RIGHT_CH,
+};
+
 /* BiQual & DRC related settings */
 #define RT1011_BQ_DRC_NUM 128
 struct rt1011_bq_drc_params {
@@ -692,6 +698,7 @@ struct rt1011_priv {
        unsigned int r0_reg, cali_done;
        unsigned int r0_calib, temperature_calib;
        int recv_spk_mode;
+       unsigned int i2s_ref;
 };
 
 #endif         /* end of _RT1011_H_ */