From: Hsin-Yu Chao hychao@chromium.org
On some platform da7219 codec has persistent power across reboot so it doesn't reset and cause abnormal jack detection. Workaround this issue by doing software reset at probe.
Signed-off-by: Hsin-Yu Chao hychao@chromium.org Signed-off-by: Xing Zheng zhengxing@rock-chips.com ---
sound/soc/codecs/da7219.c | 8 ++++++++ 1 file changed, 8 insertions(+)
diff --git a/sound/soc/codecs/da7219.c b/sound/soc/codecs/da7219.c index 737e914..9d08c11 100644 --- a/sound/soc/codecs/da7219.c +++ b/sound/soc/codecs/da7219.c @@ -1941,6 +1941,14 @@ static int da7219_i2c_probe(struct i2c_client *i2c, return ret; }
+ /* Software reset codec. */ + regmap_write_bits(da7219->regmap, DA7219_ACCDET_CONFIG_1, + DA7219_ACCDET_EN_MASK, 0); + regmap_write_bits(da7219->regmap, DA7219_CIF_CTRL, + DA7219_CIF_REG_SOFT_RESET_MASK, 0); + regmap_write_bits(da7219->regmap, DA7219_SYSTEM_ACTIVE, + DA7219_SYSTEM_ACTIVE_MASK, 0); + ret = snd_soc_register_codec(&i2c->dev, &soc_codec_dev_da7219, &da7219_dai, 1); if (ret < 0) {