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>

1 files changed, 6 insertions, 0 deletions

diff --git a/sound/soc/codecs/rt5670.c b/sound/soc/codecs/rt5670.c
index 0632b7458a53..592f961b5de5 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)