Add specific init function to poke needed registers & values for this IC
Signed-off-by: Vincent Knecht <vincent.knecht@xxxxxxxxxx>
---
sound/soc/codecs/tfa989x.c | 25 +++++++++++++++++++++++++
1 file changed, 25 insertions(+)
diff --git a/sound/soc/codecs/tfa989x.c b/sound/soc/codecs/tfa989x.c
index 408e26eee108..6d94865c534b 100644
--- a/sound/soc/codecs/tfa989x.c
+++ b/sound/soc/codecs/tfa989x.c
@@ -44,6 +44,7 @@
#define TFA989X_CURRENTSENSE4 0x49
#define TFA9895_REVISION 0x12
+#define TFA9897_REVISION 0x97
struct tfa989x_rev {
unsigned int rev;
@@ -175,6 +176,29 @@ static const struct tfa989x_rev tfa9895_rev = {
.init = tfa9895_init,
};
+static int tfa9897_init(struct regmap *regmap)
+{
+ int ret;
+
+ /* Reduce slewrate by clearing iddqtestbst to avoid booster damage */
+ ret = regmap_write(regmap, TFA989X_CURRENTSENSE3, 0x0300);
+ if (ret)
+ return ret;
+
+ /* Enable clipping */
+ ret = regmap_clear_bits(regmap, TFA989X_CURRENTSENSE4, 0x1);
+ if (ret)
+ return ret;
+
+ /* Set required TDM configuration */
+ return regmap_write(regmap, 0x14, 0x0);
+}
+
+static const struct tfa989x_rev tfa9897_rev = {
+ .rev = TFA9897_REVISION,
+ .init = tfa9897_init,
+};
+
/*
* Note: At the moment this driver bypasses the "CoolFlux DSP" built into the
* TFA989X amplifiers. Unfortunately, there seems to be absolutely
@@ -280,6 +304,7 @@ static int tfa989x_i2c_probe(struct i2c_client *i2c)
static const struct of_device_id tfa989x_of_match[] = {
{ .compatible = "nxp,tfa9895", .data = &tfa9895_rev },
+ { .compatible = "nxp,tfa9897", .data = &tfa9897_rev },
{ }
};
MODULE_DEVICE_TABLE(of, tfa989x_of_match);
--
2.31.1
