From 96fc294cf6cb27f01a865959b9637d0aea3b57c2 Mon Sep 17 00:00:00 2001
From: Hsin-Yu Chao <hychao@chromium.org>
Date: Wed, 14 Sep 2016 22:25:40 +0800
Subject: ASoC: da7219: software reset codec at probe

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>

diff --git a/sound/soc/codecs/da7219.c b/sound/soc/codecs/da7219.c
index 50ea943..30f35e8 100644
--- a/sound/soc/codecs/da7219.c
+++ b/sound/soc/codecs/da7219.c
@@ -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) {
-- 
cgit v0.10.2