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[2/2] ASoC: rt5670: Fix the speaker mono output issue

Message ID 1424152767-29226-2-git-send-email-bardliao@realtek.com (mailing list archive)
State Accepted
Commit 2bf9eba14340a53776a742f2c8a0bfbd9c86d259
Headers show

Commit Message

Bard Liao Feb. 17, 2015, 5:59 a.m. UTC 
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>
---
 sound/soc/codecs/rt5670.c | 6 ++++++
 1 file changed, 6 insertions(+)
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Patch

diff --git a/sound/soc/codecs/rt5670.c b/sound/soc/codecs/rt5670.c
index 04ca247..ba8cc14 100644
--- a/sound/soc/codecs/rt5670.c
+++ b/sound/soc/codecs/rt5670.c
@@ -2700,6 +2700,12 @@  static int rt5670_i2c_probe(struct i2c_client *i2c,
 
 	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)