diff options
| author | Vincent Knecht <vincent.knecht@mailoo.org> | 2021-05-28 12:50:59 +0200 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2021-06-02 12:03:30 +0100 |
| commit | 1ba1d69d8aa938f64cb07604b320a5074c3bb107 (patch) | |
| tree | d5df01343948756928a33f287ce10a8ed9125925 /sound/soc/codecs/tfa989x.c | |
| parent | 513df99993857863e42bf3d7d65d87c191ce9493 (diff) | |
| download | linux-1ba1d69d8aa938f64cb07604b320a5074c3bb107.tar.bz2 | |
ASoC: codecs: tfa989x: Add support for tfa9897
Add specific init function to poke needed registers & values for this IC
Signed-off-by: Vincent Knecht <vincent.knecht@mailoo.org>
Reviewed-by: Stephan Gerhold <stephan@gerhold.net>
Link: https://lore.kernel.org/r/20210528105101.508254-2-vincent.knecht@mailoo.org
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound/soc/codecs/tfa989x.c')
| -rw-r--r-- | sound/soc/codecs/tfa989x.c | 25 |
1 files changed, 25 insertions, 0 deletions
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); |