Unverified Commit 54227371 authored by Lars-Peter Clausen's avatar Lars-Peter Clausen Committed by Mark Brown
Browse files

ASoC: adau1761: Add ALC controls 



The adau1761 has a automatic level control block that can adjust the gain
for the differential input PGA. This patch adds ALSA controls for enabling
and changing the parameter settings for the ALC.

Signed-off-by: default avatarLars-Peter Clausen <lars@metafoo.de>
Signed-off-by: default avatarAlexandru Ardelean <alexandru.ardelean@analog.com>
Link: https://lore.kernel.org/r/20190926115012.24049-2-alexandru.ardelean@analog.com


Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent 83078521

sound/soc/codecs/adau1761.c

+109 −0
Original line number Diff line number Diff line
@@ -29,6 +29,9 @@ 
#define ADAU1761_LEFT_DIFF_INPUT_VOL	0x400e

#define ADAU1761_RIGHT_DIFF_INPUT_VOL	0x400f

#define ADAU1761_ALC_CTRL0		0x4011

#define ADAU1761_ALC_CTRL1		0x4012

#define ADAU1761_ALC_CTRL2		0x4013

#define ADAU1761_ALC_CTRL3		0x4014

#define ADAU1761_PLAY_LR_MIXER_LEFT	0x4020

#define ADAU1761_PLAY_MIXER_LEFT0	0x401c

#define ADAU1761_PLAY_MIXER_LEFT1	0x401d
@@ -73,6 +76,9 @@ static const struct reg_default adau1761_reg_defaults[] = { 
	{ ADAU1761_REC_MIXER_RIGHT1,		0x00 },

	{ ADAU1761_LEFT_DIFF_INPUT_VOL,		0x00 },

	{ ADAU1761_ALC_CTRL0,			0x00 },

	{ ADAU1761_ALC_CTRL1,			0x00 },

	{ ADAU1761_ALC_CTRL2,			0x00 },

	{ ADAU1761_ALC_CTRL3,			0x00 },

	{ ADAU1761_RIGHT_DIFF_INPUT_VOL,	0x00 },

	{ ADAU1761_PLAY_LR_MIXER_LEFT,		0x00 },

	{ ADAU1761_PLAY_MIXER_LEFT0,		0x00 },
@@ -123,6 +129,10 @@ static const DECLARE_TLV_DB_SCALE(adau1761_sidetone_tlv, -1800, 300, 1); 
static const DECLARE_TLV_DB_SCALE(adau1761_boost_tlv, -600, 600, 1);

static const DECLARE_TLV_DB_SCALE(adau1761_pga_boost_tlv, -2000, 2000, 1);



static const DECLARE_TLV_DB_SCALE(adau1761_alc_max_gain_tlv, -1200, 600, 0);

static const DECLARE_TLV_DB_SCALE(adau1761_alc_target_tlv, -2850, 150, 0);

static const DECLARE_TLV_DB_SCALE(adau1761_alc_ng_threshold_tlv, -7650, 150, 0);



static const unsigned int adau1761_bias_select_values[] = {

	0, 2, 3,

};
@@ -160,9 +170,91 @@ static const char * const adau1761_pga_slew_time_text[] = { 
	"96 ms",

};



static const char * const adau1761_alc_function_text[] = {

	"Off",

	"Right",

	"Left",

	"Stereo",

	"DSP control",

};



static const char * const adau1761_alc_hold_time_text[] = {

	"2.67 ms",

	"5.34 ms",

	"10.68 ms",

	"21.36 ms",

	"42.72 ms",

	"85.44 ms",

	"170.88 ms",

	"341.76 ms",

	"683.52 ms",

	"1367 ms",

	"2734.1 ms",

	"5468.2 ms",

	"10936 ms",

	"21873 ms",

	"43745 ms",

	"87491 ms",

};



static const char * const adau1761_alc_attack_time_text[] = {

	"6 ms",

	"12 ms",

	"24 ms",

	"48 ms",

	"96 ms",

	"192 ms",

	"384 ms",

	"768 ms",

	"1540 ms",

	"3070 ms",

	"6140 ms",

	"12290 ms",

	"24580 ms",

	"49150 ms",

	"98300 ms",

	"196610 ms",

};



static const char * const adau1761_alc_decay_time_text[] = {

	"24 ms",

	"48 ms",

	"96 ms",

	"192 ms",

	"384 ms",

	"768 ms",

	"15400 ms",

	"30700 ms",

	"61400 ms",

	"12290 ms",

	"24580 ms",

	"49150 ms",

	"98300 ms",

	"196610 ms",

	"393220 ms",

	"786430 ms",

};



static const char * const adau1761_alc_ng_type_text[] = {

	"Hold",

	"Mute",

	"Fade",

	"Fade + Mute",

};



static SOC_VALUE_ENUM_SINGLE_DECL(adau1761_pga_slew_time_enum,

		ADAU1761_ALC_CTRL0, 6, 0x3, adau1761_pga_slew_time_text,

		adau1761_pga_slew_time_values);

static SOC_ENUM_SINGLE_DECL(adau1761_alc_function_enum,

		ADAU1761_ALC_CTRL0, 0, adau1761_alc_function_text);

static SOC_ENUM_SINGLE_DECL(adau1761_alc_hold_time_enum,

		ADAU1761_ALC_CTRL1, 4, adau1761_alc_hold_time_text);

static SOC_ENUM_SINGLE_DECL(adau1761_alc_attack_time_enum,

		ADAU1761_ALC_CTRL2, 4, adau1761_alc_attack_time_text);

static SOC_ENUM_SINGLE_DECL(adau1761_alc_decay_time_enum,

		ADAU1761_ALC_CTRL2, 0, adau1761_alc_decay_time_text);

static SOC_ENUM_SINGLE_DECL(adau1761_alc_ng_type_enum,

		ADAU1761_ALC_CTRL3, 6, adau1761_alc_ng_type_text);



static const struct snd_kcontrol_new adau1761_jack_detect_controls[] = {

	SOC_SINGLE("Speaker Auto-mute Switch", ADAU1761_DIGMIC_JACKDETECT,
@@ -180,6 +272,20 @@ static const struct snd_kcontrol_new adau1761_differential_mode_controls[] = { 
		ADAU1761_REC_MIXER_RIGHT1, 3, 2, 0, adau1761_pga_boost_tlv),



	SOC_ENUM("PGA Capture Slew Time", adau1761_pga_slew_time_enum),



	SOC_SINGLE_TLV("ALC Capture Max Gain Volume", ADAU1761_ALC_CTRL0,

		3, 7, 0, adau1761_alc_max_gain_tlv),

	SOC_ENUM("ALC Capture Function", adau1761_alc_function_enum),

	SOC_ENUM("ALC Capture Hold Time", adau1761_alc_hold_time_enum),

	SOC_SINGLE_TLV("ALC Capture Target Volume", ADAU1761_ALC_CTRL1,

		0, 15, 0, adau1761_alc_target_tlv),

	SOC_ENUM("ALC Capture Attack Time", adau1761_alc_decay_time_enum),

	SOC_ENUM("ALC Capture Decay Time", adau1761_alc_attack_time_enum),

	SOC_ENUM("ALC Capture Noise Gate Type", adau1761_alc_ng_type_enum),

	SOC_SINGLE("ALC Capture Noise Gate Switch",

		ADAU1761_ALC_CTRL3, 5, 1, 0),

	SOC_SINGLE_TLV("ALC Capture Noise Gate Threshold Volume",

		ADAU1761_ALC_CTRL3, 0, 31, 0, adau1761_alc_ng_threshold_tlv),

};



static const struct snd_kcontrol_new adau1761_single_mode_controls[] = {
@@ -652,6 +758,9 @@ static bool adau1761_readable_register(struct device *dev, unsigned int reg) 
	case ADAU1761_CLK_ENABLE0:

	case ADAU1761_CLK_ENABLE1:

	case ADAU1761_ALC_CTRL0:

	case ADAU1761_ALC_CTRL1:

	case ADAU1761_ALC_CTRL2:

	case ADAU1761_ALC_CTRL3:

		return true;

	default:

		break;

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