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@xxxxxxxxxx>
---
sound/soc/codecs/tfa989x.c | 21 +++++++++++++++++++++
1 file changed, 21 insertions(+)
diff --git a/sound/soc/codecs/tfa989x.c b/sound/soc/codecs/tfa989x.c
index 1ae47d4f1ca7..ada516acefc0 100644
--- a/sound/soc/codecs/tfa989x.c
+++ b/sound/soc/codecs/tfa989x.c
@@ -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;
};
@@ -101,7 +103,25 @@ 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,
@@ -277,6 +297,7 @@ 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");
--
2.31.1
