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>
diff --git a/sound/soc/codecs/wm8993.c b/sound/soc/codecs/wm8993.c
index 6e85b88..f014e56 100644
--- a/sound/soc/codecs/wm8993.c
+++ b/sound/soc/codecs/wm8993.c
@@ -1433,7 +1433,8 @@
 	int ret, i, val;
 
 	wm8993->hubs_data.hp_startup_mode = 1;
-	wm8993->hubs_data.dcs_codes = -2;
+	wm8993->hubs_data.dcs_codes_l = -2;
+	wm8993->hubs_data.dcs_codes_r = -2;
 	wm8993->hubs_data.series_startup = 1;
 
 	ret = snd_soc_codec_set_cache_io(codec, 8, 16, SND_SOC_I2C);