commit 2bf9eba14340a53776a742f2c8a0bfbd9c86d259
author Bard Liao <bardliao@realtek.com> Tue Mar 03 18:31:29 2015 +0800
committer Mark Brown <broonie@kernel.org> Wed Mar 04 17:29:46 2015 +0000
tree 5ab411c31bf3a96caa7bd3e2e0c65c7196c7810c
parent ea232b3f7233f9242e5a1287377fedb6972dfea4

ASoC: rt5670: Fix the speaker mono output issue

We need to set left/right control for the speaker amp to get stereo
output on speaker.

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

sound/soc/codecs/rt5670.c

diff --git a/sound/soc/codecs/rt5670.c b/sound/soc/codecs/rt5670.c
index 0632b74..592f961 100644
--- a/sound/soc/codecs/rt5670.c
+++ b/sound/soc/codecs/rt5670.c
@@ -2700,6 +2700,12 @@
 
 	regmap_write(rt5670->regmap, RT5670_RESET, 0);
 
+	regmap_read(rt5670->regmap, RT5670_VENDOR_ID, &val);
+	if (val >= 4)
+		regmap_write(rt5670->regmap, RT5670_GPIO_CTRL3, 0x0980);
+	else
+		regmap_write(rt5670->regmap, RT5670_GPIO_CTRL3, 0x0d00);
+
 	ret = regmap_register_patch(rt5670->regmap, init_list,
 				    ARRAY_SIZE(init_list));
 	if (ret != 0)