Unverified Commit aca86ec9 authored by Martin Povišer's avatar Martin Povišer Committed by Mark Brown
Browse files

ASoC: tas2764: Export highpass filter setting 



Expose a control for the setting of 'DC blocker' highpass filter in the
playback path of TAS2764.

Signed-off-by: default avatarMartin Povišer <povik+lin@cutebit.org>
Link: https://lore.kernel.org/r/20220825140241.53963-6-povik+lin@cutebit.org


Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent dae191fb

sound/soc/codecs/tas2764.c

+10 −0
Original line number Diff line number Diff line
@@ -593,11 +593,21 @@ static int tas2764_codec_probe(struct snd_soc_component *component) 
static DECLARE_TLV_DB_SCALE(tas2764_digital_tlv, 1100, 50, 0);

static DECLARE_TLV_DB_SCALE(tas2764_playback_volume, -10050, 50, 1);



static const char * const tas2764_hpf_texts[] = {

	"Disabled", "2 Hz", "50 Hz", "100 Hz", "200 Hz",

	"400 Hz", "800 Hz"

};



static SOC_ENUM_SINGLE_DECL(

	tas2764_hpf_enum, TAS2764_DC_BLK0,

	TAS2764_DC_BLK0_HPF_FREQ_PB_SHIFT, tas2764_hpf_texts);



static const struct snd_kcontrol_new tas2764_snd_controls[] = {

	SOC_SINGLE_TLV("Speaker Volume", TAS2764_DVC, 0,

		       TAS2764_DVC_MAX, 1, tas2764_playback_volume),

	SOC_SINGLE_TLV("Amp Gain Volume", TAS2764_CHNL_0, 1, 0x14, 0,

		       tas2764_digital_tlv),

	SOC_ENUM("HPF Corner Frequency", tas2764_hpf_enum),

};



static const struct snd_soc_component_driver soc_component_driver_tas2764 = {

sound/soc/codecs/tas2764.h

+4 −0
Original line number Diff line number Diff line
@@ -33,6 +33,10 @@ 
#define TAS2764_VSENSE_POWER_EN		3

#define TAS2764_ISENSE_POWER_EN		4



/* DC Blocker Control */

#define TAS2764_DC_BLK0			TAS2764_REG(0x0, 0x04)

#define TAS2764_DC_BLK0_HPF_FREQ_PB_SHIFT  0



/* Digital Volume Control */

#define TAS2764_DVC	TAS2764_REG(0X0, 0x1a)

#define TAS2764_DVC_MAX	0xc9