diff options
| author | Trevor Wu <trevor.wu@mediatek.com> | 2023-05-08 10:15:31 +0300 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2023-05-23 21:33:08 +0300 |
| commit | 24f398e74ba0a53bc95421f7eb139f4dc0207bb2 (patch) | |
| tree | 4ebe3b8fb5de20c7b98f990f69adee59c0e7dc7e /sound/soc/codecs/mt6359.c | |
| parent | acd4d219798769a6c1080bcfa7953e165dd8d681 (diff) | |
| download | linux-24f398e74ba0a53bc95421f7eb139f4dc0207bb2.tar.xz | |
ASoC: mediatek: mt6359: add mtkaif gpio setting
Add mtkaif gpio driving to increase signal strength and smt setting to
prevent from overshooting.
Signed-off-by: Trevor Wu <trevor.wu@mediatek.com>
Link: https://lore.kernel.org/r/20230508071532.21665-4-trevor.wu@mediatek.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound/soc/codecs/mt6359.c')
| -rw-r--r-- | sound/soc/codecs/mt6359.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/sound/soc/codecs/mt6359.c b/sound/soc/codecs/mt6359.c index 65e6d4d08b6a..a37ad61a8253 100644 --- a/sound/soc/codecs/mt6359.c +++ b/sound/soc/codecs/mt6359.c @@ -18,6 +18,20 @@ #include "mt6359.h" +static void mt6359_set_gpio_smt(struct mt6359_priv *priv) +{ + /* set gpio SMT mode */ + regmap_update_bits(priv->regmap, MT6359_SMT_CON1, 0x3ff0, 0x3ff0); +} + +static void mt6359_set_gpio_driving(struct mt6359_priv *priv) +{ + /* 8:4mA(default), a:8mA, c:12mA, e:16mA */ + regmap_update_bits(priv->regmap, MT6359_DRV_CON2, 0xffff, 0x8888); + regmap_update_bits(priv->regmap, MT6359_DRV_CON3, 0xffff, 0x8888); + regmap_update_bits(priv->regmap, MT6359_DRV_CON4, 0x00ff, 0x88); +} + static void mt6359_set_playback_gpio(struct mt6359_priv *priv) { /* set gpio mosi mode, clk / data mosi */ @@ -2745,6 +2759,8 @@ static int mt6359_codec_init_reg(struct snd_soc_component *cmpnt) 0x1 << RG_AUDLOLSCDISABLE_VAUDP32_SFT); /* set gpio */ + mt6359_set_gpio_smt(priv); + mt6359_set_gpio_driving(priv); mt6359_reset_playback_gpio(priv); mt6359_reset_capture_gpio(priv); |