From: Lars-Peter Clausen lars@metafoo.de
The adau1761 has a automatic level control block that can adjust the gain for the differential input PGA. This patch adds ALSA controls for enabling and changing the parameter settings for the ALC.
Signed-off-by: Lars-Peter Clausen lars@metafoo.de Signed-off-by: Alexandru Ardelean alexandru.ardelean@analog.com --- sound/soc/codecs/adau1761.c | 109 ++++++++++++++++++++++++++++++++++++ 1 file changed, 109 insertions(+)
diff --git a/sound/soc/codecs/adau1761.c b/sound/soc/codecs/adau1761.c index a9ef735f8b4e..5ca9b744b7d8 100644 --- a/sound/soc/codecs/adau1761.c +++ b/sound/soc/codecs/adau1761.c @@ -29,6 +29,9 @@ #define ADAU1761_LEFT_DIFF_INPUT_VOL 0x400e #define ADAU1761_RIGHT_DIFF_INPUT_VOL 0x400f #define ADAU1761_ALC_CTRL0 0x4011 +#define ADAU1761_ALC_CTRL1 0x4012 +#define ADAU1761_ALC_CTRL2 0x4013 +#define ADAU1761_ALC_CTRL3 0x4014 #define ADAU1761_PLAY_LR_MIXER_LEFT 0x4020 #define ADAU1761_PLAY_MIXER_LEFT0 0x401c #define ADAU1761_PLAY_MIXER_LEFT1 0x401d @@ -73,6 +76,9 @@ static const struct reg_default adau1761_reg_defaults[] = { { ADAU1761_REC_MIXER_RIGHT1, 0x00 }, { ADAU1761_LEFT_DIFF_INPUT_VOL, 0x00 }, { ADAU1761_ALC_CTRL0, 0x00 }, + { ADAU1761_ALC_CTRL1, 0x00 }, + { ADAU1761_ALC_CTRL2, 0x00 }, + { ADAU1761_ALC_CTRL3, 0x00 }, { ADAU1761_RIGHT_DIFF_INPUT_VOL, 0x00 }, { ADAU1761_PLAY_LR_MIXER_LEFT, 0x00 }, { ADAU1761_PLAY_MIXER_LEFT0, 0x00 }, @@ -123,6 +129,10 @@ static const DECLARE_TLV_DB_SCALE(adau1761_sidetone_tlv, -1800, 300, 1); static const DECLARE_TLV_DB_SCALE(adau1761_boost_tlv, -600, 600, 1); static const DECLARE_TLV_DB_SCALE(adau1761_pga_boost_tlv, -2000, 2000, 1);
+static const DECLARE_TLV_DB_SCALE(adau1761_alc_max_gain_tlv, -1200, 600, 0); +static const DECLARE_TLV_DB_SCALE(adau1761_alc_target_tlv, -2850, 150, 0); +static const DECLARE_TLV_DB_SCALE(adau1761_alc_ng_threshold_tlv, -7650, 150, 0); + static const unsigned int adau1761_bias_select_values[] = { 0, 2, 3, }; @@ -160,9 +170,91 @@ static const char * const adau1761_pga_slew_time_text[] = { "96 ms", };
+static const char * const adau1761_alc_function_text[] = { + "Off", + "Right", + "Left", + "Stereo", + "DSP control", +}; + +static const char * const adau1761_alc_hold_time_text[] = { + "2.67 ms", + "5.34 ms", + "10.68 ms", + "21.36 ms", + "42.72 ms", + "85.44 ms", + "170.88 ms", + "341.76 ms", + "683.52 ms", + "1367 ms", + "2734.1 ms", + "5468.2 ms", + "10936 ms", + "21873 ms", + "43745 ms", + "87491 ms", +}; + +static const char * const adau1761_alc_attack_time_text[] = { + "6 ms", + "12 ms", + "24 ms", + "48 ms", + "96 ms", + "192 ms", + "384 ms", + "768 ms", + "1540 ms", + "3070 ms", + "6140 ms", + "12290 ms", + "24580 ms", + "49150 ms", + "98300 ms", + "196610 ms", +}; + +static const char * const adau1761_alc_decay_time_text[] = { + "24 ms", + "48 ms", + "96 ms", + "192 ms", + "384 ms", + "768 ms", + "15400 ms", + "30700 ms", + "61400 ms", + "12290 ms", + "24580 ms", + "49150 ms", + "98300 ms", + "196610 ms", + "393220 ms", + "786430 ms", +}; + +static const char * const adau1761_alc_ng_type_text[] = { + "Hold", + "Mute", + "Fade", + "Fade + Mute", +}; + static SOC_VALUE_ENUM_SINGLE_DECL(adau1761_pga_slew_time_enum, ADAU1761_ALC_CTRL0, 6, 0x3, adau1761_pga_slew_time_text, adau1761_pga_slew_time_values); +static SOC_ENUM_SINGLE_DECL(adau1761_alc_function_enum, + ADAU1761_ALC_CTRL0, 0, adau1761_alc_function_text); +static SOC_ENUM_SINGLE_DECL(adau1761_alc_hold_time_enum, + ADAU1761_ALC_CTRL1, 4, adau1761_alc_hold_time_text); +static SOC_ENUM_SINGLE_DECL(adau1761_alc_attack_time_enum, + ADAU1761_ALC_CTRL2, 4, adau1761_alc_attack_time_text); +static SOC_ENUM_SINGLE_DECL(adau1761_alc_decay_time_enum, + ADAU1761_ALC_CTRL2, 0, adau1761_alc_decay_time_text); +static SOC_ENUM_SINGLE_DECL(adau1761_alc_ng_type_enum, + ADAU1761_ALC_CTRL3, 6, adau1761_alc_ng_type_text);
static const struct snd_kcontrol_new adau1761_jack_detect_controls[] = { SOC_SINGLE("Speaker Auto-mute Switch", ADAU1761_DIGMIC_JACKDETECT, @@ -180,6 +272,20 @@ static const struct snd_kcontrol_new adau1761_differential_mode_controls[] = { ADAU1761_REC_MIXER_RIGHT1, 3, 2, 0, adau1761_pga_boost_tlv),
SOC_ENUM("PGA Capture Slew Time", adau1761_pga_slew_time_enum), + + SOC_SINGLE_TLV("ALC Capture Max Gain Volume", ADAU1761_ALC_CTRL0, + 3, 7, 0, adau1761_alc_max_gain_tlv), + SOC_ENUM("ALC Capture Function", adau1761_alc_function_enum), + SOC_ENUM("ALC Capture Hold Time", adau1761_alc_hold_time_enum), + SOC_SINGLE_TLV("ALC Capture Target Volume", ADAU1761_ALC_CTRL1, + 0, 15, 0, adau1761_alc_target_tlv), + SOC_ENUM("ALC Capture Attack Time", adau1761_alc_decay_time_enum), + SOC_ENUM("ALC Capture Decay Time", adau1761_alc_attack_time_enum), + SOC_ENUM("ALC Capture Noise Gate Type", adau1761_alc_ng_type_enum), + SOC_SINGLE("ALC Capture Noise Gate Switch", + ADAU1761_ALC_CTRL3, 5, 1, 0), + SOC_SINGLE_TLV("ALC Capture Noise Gate Threshold Volume", + ADAU1761_ALC_CTRL3, 0, 31, 0, adau1761_alc_ng_threshold_tlv), };
static const struct snd_kcontrol_new adau1761_single_mode_controls[] = { @@ -652,6 +758,9 @@ static bool adau1761_readable_register(struct device *dev, unsigned int reg) case ADAU1761_CLK_ENABLE0: case ADAU1761_CLK_ENABLE1: case ADAU1761_ALC_CTRL0: + case ADAU1761_ALC_CTRL1: + case ADAU1761_ALC_CTRL2: + case ADAU1761_ALC_CTRL3: return true; default: break;