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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: Vincent Knecht <vincent.knecht@mailoo.org>
Link: https://lore.kernel.org/r/20211024085840.1536438-3-vincent.knecht@mailoo.org
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Vincent Knecht 2021-10-24 10:58:38 +02:00 committed by Mark Brown
parent 62a3032260
commit b6a4e209fb
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1 changed files with 21 additions and 0 deletions
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21
sound/soc/codecs/tfa989x.c
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@ -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");