Unverified Commit b6a4e209 authored by Vincent Knecht's avatar Vincent Knecht Committed by Mark Brown
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ASoC: codecs: tfa989x: Add support for tfa9897 RCV bit 



TFA9897 has an internal 'rcv' switch so that it can manage both
loudspeaker and earpiece modes with the same physical speaker.

Signed-off-by: default avatarVincent Knecht <vincent.knecht@mailoo.org>
Link: https://lore.kernel.org/r/20211024085840.1536438-3-vincent.knecht@mailoo.org


Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent 62a30322

sound/soc/codecs/tfa989x.c

+21 −0
Original line number Diff line number Diff line
@@ -19,6 +19,7 @@ 
#define TFA989X_REVISIONNUMBER		0x03

#define TFA989X_REVISIONNUMBER_REV_MSK	GENMASK(7, 0)	/* device revision */

#define TFA989X_I2SREG			0x04

#define TFA989X_I2SREG_RCV		2	/* receiver mode */

#define TFA989X_I2SREG_CHSA		6	/* amplifier input select */

#define TFA989X_I2SREG_CHSA_MSK		GENMASK(7, 6)

#define TFA989X_I2SREG_I2SSR		12	/* sample rate */
@@ -53,6 +54,7 @@ struct tfa989x_rev { 
};



struct tfa989x {

	const struct tfa989x_rev *rev;

	struct regulator *vddd_supply;

};
@@ -97,7 +99,25 @@ static const struct snd_soc_dapm_route tfa989x_dapm_routes[] = { 
	{"Amp Input", "Right", "AIFINR"},

};



static const char * const mode_text[] = { "Speaker", "Receiver" };

static SOC_ENUM_SINGLE_DECL(mode_enum, TFA989X_I2SREG, TFA989X_I2SREG_RCV, mode_text);

static const struct snd_kcontrol_new tfa989x_mode_controls[] = {

	SOC_ENUM("Mode", mode_enum),

};



static int tfa989x_probe(struct snd_soc_component *component)

{

	struct tfa989x *tfa989x = snd_soc_component_get_drvdata(component);



	if (tfa989x->rev->rev == TFA9897_REVISION)

		return snd_soc_add_component_controls(component, tfa989x_mode_controls,

						      ARRAY_SIZE(tfa989x_mode_controls));



	return 0;

}



static const struct snd_soc_component_driver tfa989x_component = {

	.probe			= tfa989x_probe,

	.dapm_widgets		= tfa989x_dapm_widgets,

	.num_dapm_widgets	= ARRAY_SIZE(tfa989x_dapm_widgets),

	.dapm_routes		= tfa989x_dapm_routes,
@@ -273,6 +293,7 @@ static int tfa989x_i2c_probe(struct i2c_client *i2c) 
	if (!tfa989x)

		return -ENOMEM;



	tfa989x->rev = rev;

	i2c_set_clientdata(i2c, tfa989x);



	tfa989x->vddd_supply = devm_regulator_get(dev, "vddd");