ASoC: da7219: software reset codec at probe
authorHsin-Yu Chao <hychao@chromium.org>
Wed, 14 Sep 2016 14:25:40 +0000 (22:25 +0800)
committerMark Brown <broonie@kernel.org>
Wed, 14 Sep 2016 15:11:31 +0000 (16:11 +0100)
Da7219 does not trigger interrupt to report jack status
when system boots from warm reset because its power
remains on during warm reset.
Doing software reset at probe to handle this.

Signed-off-by: Hsin-Yu Chao <hychao@chromium.org>
Signed-off-by: Xing Zheng <zhengxing@rock-chips.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
sound/soc/codecs/da7219.c

index 50ea94317cb3216d116b9351cf5387a0213b4689..30f35e88bec2964b045afa49c30af367a9e4e867 100644 (file)
@@ -1937,6 +1937,14 @@ 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) {