diff options
| author | Misael Lopez Cruz <misael.lopez@ti.com> | 2014-11-11 11:59:01 +0300 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2014-11-11 16:31:13 +0300 |
| commit | 68d6626925c3529790a2055d41578415fa98495e (patch) | |
| tree | 49bea04bf97cafc24356a9de1a4ce00bae47fa10 /sound/soc/codecs/tlv320aic3x.c | |
| parent | a60e654be733a69879148cb4c56d0f58b749e3c4 (diff) | |
| download | linux-68d6626925c3529790a2055d41578415fa98495e.tar.xz | |
ASoC: tlv320aic3x: Add output driver pop reduction controls
Output driver has two parameters that can be configured to reduce
pop noise: power-on delay and ramp-up step time. Two new kcontrols
have been added to set these parameters.
Signed-off-by: Misael Lopez Cruz <misael.lopez@ti.com>
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound/soc/codecs/tlv320aic3x.c')
| -rw-r--r-- | sound/soc/codecs/tlv320aic3x.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/sound/soc/codecs/tlv320aic3x.c b/sound/soc/codecs/tlv320aic3x.c index 990140058aa6..f0a828119aba 100644 --- a/sound/soc/codecs/tlv320aic3x.c +++ b/sound/soc/codecs/tlv320aic3x.c @@ -279,6 +279,16 @@ static SOC_ENUM_SINGLE_DECL(aic3x_lagc_decay_enum, LAGC_CTRL_A, 0, static SOC_ENUM_SINGLE_DECL(aic3x_ragc_decay_enum, RAGC_CTRL_A, 0, aic3x_agc_decay); +static const char * const aic3x_poweron_time[] = { + "0us", "10us", "100us", "1ms", "10ms", "50ms", + "100ms", "200ms", "400ms", "800ms", "2s", "4s" }; +static SOC_ENUM_SINGLE_DECL(aic3x_poweron_time_enum, HPOUT_POP_REDUCTION, 4, + aic3x_poweron_time); + +static const char * const aic3x_rampup_step[] = { "0ms", "1ms", "2ms", "4ms" }; +static SOC_ENUM_SINGLE_DECL(aic3x_rampup_step_enum, HPOUT_POP_REDUCTION, 2, + aic3x_rampup_step); + /* * DAC digital volumes. From -63.5 to 0 dB in 0.5 dB steps */ @@ -408,6 +418,10 @@ static const struct snd_kcontrol_new aic3x_snd_controls[] = { SOC_DOUBLE_R("PGA Capture Switch", LADC_VOL, RADC_VOL, 7, 0x01, 1), SOC_ENUM("ADC HPF Cut-off", aic3x_adc_hpf_enum), + + /* Pop reduction */ + SOC_ENUM("Output Driver Power-On time", aic3x_poweron_time_enum), + SOC_ENUM("Output Driver Ramp-up step", aic3x_rampup_step_enum), }; static const struct snd_kcontrol_new aic3x_mono_controls[] = { |