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authorVincent Knecht <vincent.knecht@mailoo.org>2021-10-24 10:58:38 +0200
committerMark Brown <broonie@kernel.org>2021-10-29 15:59:36 +0100
commitb6a4e209fb7da1b49cb72fedb405f90e485d5a48 (patch)
tree364dc8e5616ff8882254ef5273d34a3bcbe3a442 /sound
parentASoC: amd: acp: select CONFIG_SND_SOC_ACPI (diff)
downloadlinux-dev-b6a4e209fb7da1b49cb72fedb405f90e485d5a48.tar.xz
linux-dev-b6a4e209fb7da1b49cb72fedb405f90e485d5a48.zip
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>
Diffstat (limited to 'sound')
-rw-r--r--sound/soc/codecs/tfa989x.c21
1 files changed, 21 insertions, 0 deletions
diff --git a/sound/soc/codecs/tfa989x.c b/sound/soc/codecs/tfa989x.c
index 643b45188b6f..eb2a7870148d 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;
};
@@ -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");