[alsa-devel] [PATCH RESEND] ASoC: rt5670: Fix the speaker mono output issue

[Bard Liao]

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

Signed-off-by: Bard Liao <bardliao at realtek.com>
---
We need to set different value according to codec version. And the
codec version is stored in in RT5670_VENDOR_ID register.

---
 sound/soc/codecs/rt5670.c | 6 ++++++
 1 file changed, 6 insertions(+)

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)
-- 
1.8.1.1.439.g50a6b54