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Commit 68d66269 authored by Misael Lopez Cruz's avatar Misael Lopez Cruz Committed by Mark Brown
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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: default avatarMisael Lopez Cruz <misael.lopez@ti.com>
Signed-off-by: default avatarPeter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent a60e654b

sound/soc/codecs/tlv320aic3x.c

+14 −0
Original line number Diff line number Diff line
@@ -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[] = {