diff options
| author | Annaliese McDermond <nh6z@nh6z.net> | 2019-04-04 06:01:54 +0200 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2019-04-04 15:48:54 +0200 |
| commit | 44ceee847e27c828f2f1ef4e400e6bc0c8d04de3 (patch) | |
| tree | 857a62fd860dd45d2bcf11f07b0ce3c68380a47f /sound/soc/codecs/tlv320aic32x4.c | |
| parent | ASoC: rockchip: pdm: Mark RXFIFO_DATA as volatile and precious (diff) | |
| download | linux-44ceee847e27c828f2f1ef4e400e6bc0c8d04de3.tar.xz linux-44ceee847e27c828f2f1ef4e400e6bc0c8d04de3.zip | |
ASoC: tlv320aic32x4: Add Switch for Setting Common Mode Voltage
Add a switch for setting common mode voltage. This can allow
for higher drive levels on the amplifier outputs.
Signed-off-by: Annaliese McDermond <nh6z@nh6z.net>
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound/soc/codecs/tlv320aic32x4.c')
| -rw-r--r-- | sound/soc/codecs/tlv320aic32x4.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/sound/soc/codecs/tlv320aic32x4.c b/sound/soc/codecs/tlv320aic32x4.c index aec86fd6ac15..77df2cbdf5f4 100644 --- a/sound/soc/codecs/tlv320aic32x4.c +++ b/sound/soc/codecs/tlv320aic32x4.c @@ -242,6 +242,12 @@ static DECLARE_TLV_DB_SCALE(tlv_driver_gain, -600, 100, 0); /* -12dB min, 0.5dB steps */ static DECLARE_TLV_DB_SCALE(tlv_adc_vol, -1200, 50, 0); +static const char * const lo_cm_text[] = { + "Full Chip", "1.65V", +}; + +static SOC_ENUM_SINGLE_DECL(lo_cm_enum, AIC32X4_CMMODE, 3, lo_cm_text); + static const struct snd_kcontrol_new aic32x4_snd_controls[] = { SOC_DOUBLE_R_S_TLV("PCM Playback Volume", AIC32X4_LDACVOL, AIC32X4_RDACVOL, 0, -0x7f, 0x30, 7, 0, tlv_pcm), @@ -255,6 +261,7 @@ static const struct snd_kcontrol_new aic32x4_snd_controls[] = { AIC32X4_HPRGAIN, 6, 0x01, 1), SOC_DOUBLE_R("LO DAC Playback Switch", AIC32X4_LOLGAIN, AIC32X4_LORGAIN, 6, 0x01, 1), + SOC_ENUM("LO Playback Common Mode Switch", lo_cm_enum), SOC_DOUBLE_R("Mic PGA Switch", AIC32X4_LMICPGAVOL, AIC32X4_RMICPGAVOL, 7, 0x01, 1), |