From d53d59ecad74f3e90c6eefedd2186abbadd64d7c Mon Sep 17 00:00:00 2001 From: Bard Liao Date: Thu, 9 Apr 2015 11:20:32 +0800 Subject: [PATCH] ASoC: rt286: Restore default in probe RT286 can't do register reset. If the hardware power is still existing in power off, rt286 will keep the register settings. So, we need to restore the default register value in probe to make sure the cache value is the same as the real register value. Signed-off-by: Bard Liao Signed-off-by: Mark Brown --- sound/soc/codecs/rt286.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/sound/soc/codecs/rt286.c b/sound/soc/codecs/rt286.c index 842cfb9fa191..87af81b9e971 100644 --- a/sound/soc/codecs/rt286.c +++ b/sound/soc/codecs/rt286.c @@ -1250,6 +1250,14 @@ static int rt286_i2c_probe(struct i2c_client *i2c, rt286->i2c = i2c; i2c_set_clientdata(i2c, rt286); + /* restore codec default */ + for (i = 0; i < INDEX_CACHE_SIZE; i++) + regmap_write(rt286->regmap, rt286->index_cache[i].reg, + rt286->index_cache[i].def); + for (i = 0; i < ARRAY_SIZE(rt286_reg); i++) + regmap_write(rt286->regmap, rt286_reg[i].reg, + rt286_reg[i].def); + if (pdata) rt286->pdata = *pdata; -- 2.20.1