From: Trevor Wu Date: Mon, 8 May 2023 07:15:31 +0000 (+0800) Subject: ASoC: mediatek: mt6359: add mtkaif gpio setting X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=24f398e74ba0a53bc95421f7eb139f4dc0207bb2;p=linux.git 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 Link: https://lore.kernel.org/r/20230508071532.21665-4-trevor.wu@mediatek.com Signed-off-by: Mark Brown --- diff --git a/sound/soc/codecs/mt6359.c b/sound/soc/codecs/mt6359.c index 65e6d4d08b6a6..a37ad61a82539 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);