ASoC: Support separate left and right channel dcs_codes values

Some devices can have performance optimized by setting different offsets
for left and right channels.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: Liam Girdwood <lrg@ti.com>

1 files changed, 7 insertions, 6 deletions

diff --git a/sound/soc/codecs/wm_hubs.c b/sound/soc/codecs/wm_hubs.c
index 84a84f4eed95..26e21d01e137 100644
--- a/sound/soc/codecs/wm_hubs.c
+++ b/sound/soc/codecs/wm_hubs.c
@@ -179,18 +179,19 @@ static void calibrate_dc_servo(struct snd_soc_codec *codec)
         dev_dbg(codec->dev, "DCS input: %x %x\n", reg_l, reg_r);
 
         /* Apply correction to DC servo result */
-        if (hubs->dcs_codes) {
-                dev_dbg(codec->dev, "Applying %d code DC servo correction\n",
-                        hubs->dcs_codes);
+        if (hubs->dcs_codes_l || hubs->dcs_codes_r) {
+                dev_dbg(codec->dev,
+                        "Applying %d/%d code DC servo correction\n",
+                        hubs->dcs_codes_l, hubs->dcs_codes_r);
 
                 /* HPOUT1R */
                 offset = reg_r;
-                offset += hubs->dcs_codes;
+                offset += hubs->dcs_codes_r;
                 dcs_cfg = (u8)offset << WM8993_DCS_DAC_WR_VAL_1_SHIFT;
 
                 /* HPOUT1L */
                 offset = reg_l;
-                offset += hubs->dcs_codes;
+                offset += hubs->dcs_codes_l;
                 dcs_cfg |= (u8)offset;
 
                 dev_dbg(codec->dev, "DCS result: %x\n", dcs_cfg);
@@ -228,7 +229,7 @@ static int wm8993_put_dc_servo(struct snd_kcontrol *kcontrol,
 
         /* If we're applying an offset correction then updating the
          * callibration would be likely to introduce further offsets. */
-        if (hubs->dcs_codes || hubs->no_series_update)
+        if (hubs->dcs_codes_l || hubs->dcs_codes_r || hubs->no_series_update)
                 return ret;
 
         /* Only need to do this if the outputs are active */