diff options
| author | Michal Oleszczyk <oleszczyk.m@gmail.com> | 2018-02-19 10:03:46 +0100 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2018-02-19 11:36:40 +0000 |
| commit | 92a2742f9813ef65da19145a77e8067d6abbc822 (patch) | |
| tree | 3bd2a42c8b0e0feccb5001f8d9aca2e33a920326 | |
| parent | 7f7d5239f56cfd25ba8470354d9705815c079157 (diff) | |
| download | linux-92a2742f9813ef65da19145a77e8067d6abbc822.tar.bz2 | |
ASoC: sgtl5000: add 5 band graphic equalizer
Enable 5-band graphic equalizer which allows manipulation of
gain in range -11.75dB to 12dB for 5 specific sound bands:
115Hz, 330Hz, 990Hz, 3000Hz, 9900Hz.
Signed-off-by: Michal Oleszczyk <oleszczyk.m@gmail.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
| -rw-r--r-- | sound/soc/codecs/sgtl5000.c | 24 | ||||
| -rw-r--r-- | sound/soc/codecs/sgtl5000.h | 7 |
2 files changed, 28 insertions, 3 deletions
diff --git a/sound/soc/codecs/sgtl5000.c b/sound/soc/codecs/sgtl5000.c index 1724c4622052..7c1d65830c05 100644 --- a/sound/soc/codecs/sgtl5000.c +++ b/sound/soc/codecs/sgtl5000.c @@ -520,6 +520,9 @@ static const DECLARE_TLV_DB_RANGE(mic_gain_tlv, /* tlv for DAP channels, 0% - 100% - 200% */ static const DECLARE_TLV_DB_SCALE(dap_volume, 0, 1, 0); +/* tlv for bass bands, -11.75db to 12.0db, step .25db */ +static const DECLARE_TLV_DB_SCALE(bass_band, -1175, 25, 0); + /* tlv for hp volume, -51.5db to 12.0db, step .5db */ static const DECLARE_TLV_DB_SCALE(headphone_volume, -5150, 50, 0); @@ -585,6 +588,21 @@ static const struct snd_kcontrol_new sgtl5000_snd_controls[] = { SOC_SINGLE_EXT_TLV("AVC Threshold Volume", SGTL5000_DAP_AVC_THRESHOLD, 0, 96, 0, avc_get_threshold, avc_put_threshold, avc_threshold), + + SOC_SINGLE_TLV("BASS 0", SGTL5000_DAP_EQ_BASS_BAND0, + 0, 0x5F, 0, bass_band), + + SOC_SINGLE_TLV("BASS 1", SGTL5000_DAP_EQ_BASS_BAND1, + 0, 0x5F, 0, bass_band), + + SOC_SINGLE_TLV("BASS 2", SGTL5000_DAP_EQ_BASS_BAND2, + 0, 0x5F, 0, bass_band), + + SOC_SINGLE_TLV("BASS 3", SGTL5000_DAP_EQ_BASS_BAND3, + 0, 0x5F, 0, bass_band), + + SOC_SINGLE_TLV("BASS 4", SGTL5000_DAP_EQ_BASS_BAND4, + 0, 0x5F, 0, bass_band), }; /* mute the codec used by alsa core */ @@ -1303,11 +1321,11 @@ static int sgtl5000_probe(struct snd_soc_component *component) SGTL5000_BIAS_VOLT_MASK, sgtl5000->micbias_voltage << SGTL5000_BIAS_VOLT_SHIFT); /* - * disable DAP + * enable DAP Graphic EQ * TODO: - * Enable DAP in kcontrol and dapm. + * Add control for changing between PEQ/Tone Control/GEQ */ - snd_soc_component_write(component, SGTL5000_DAP_CTRL, 0); + snd_soc_component_write(component, SGTL5000_DAP_AUDIO_EQ, SGTL5000_DAP_SEL_GEQ); /* Unmute DAC after start */ snd_soc_component_update_bits(component, SGTL5000_CHIP_ADCDAC_CTRL, diff --git a/sound/soc/codecs/sgtl5000.h b/sound/soc/codecs/sgtl5000.h index 22f3442af982..28cf637155bb 100644 --- a/sound/soc/codecs/sgtl5000.h +++ b/sound/soc/codecs/sgtl5000.h @@ -399,4 +399,11 @@ #define SGTL5000_SYSCLK 0x00 #define SGTL5000_LRCLK 0x01 +/* + * SGTL5000_DAP_AUDIO_EQ + */ +#define SGTL5000_DAP_SEL_PEQ 1 +#define SGTL5000_DAP_SEL_TONE_CTRL 2 +#define SGTL5000_DAP_SEL_GEQ 3 + #endif |