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- To: <broonie@xxxxxxxxxx>, <lgirdwood@xxxxxxxxx>, <tiwai@xxxxxxxx>, <perex@xxxxxxxx>, <matthias.bgg@xxxxxxxxx>, <angelogioacchino.delregno@xxxxxxxxxxxxx>
- Subject: [PATCH 3/4] ASoC: mediatek: mt6359: add mtkaif gpio setting
- From: Trevor Wu <trevor.wu@xxxxxxxxxxxx>
- Date: Mon, 8 May 2023 15:15:31 +0800
- Cc: trevor.wu@xxxxxxxxxxxx, bicycle.tsai@xxxxxxxxxxxx, ting-fang.hou@xxxxxxxxxxxx, alsa-devel@xxxxxxxxxxxxxxxx, linux-mediatek@xxxxxxxxxxxxxxxxxxx, linux-arm-kernel@xxxxxxxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx
- In-reply-to: <20230508071532.21665-1-trevor.wu@mediatek.com>
- References: <20230508071532.21665-1-trevor.wu@mediatek.com>
Add mtkaif gpio driving to increase signal strength and smt setting to prevent from overshooting. Signed-off-by: Trevor Wu <trevor.wu@xxxxxxxxxxxx> --- sound/soc/codecs/mt6359.c | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) 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); -- 2.18.0
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