Commit d53d59ec authored Apr 09, 2015 by Bard Liao Committed by Mark Brown Apr 09, 2015

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 <bardliao@realtek.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

parent 143526ee

sound/soc/codecs/rt286.c

+8 −0

Original line number	Diff line number	Diff line
		@@ -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;

Admin message