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/wm8994.c b/sound/soc/codecs/wm8994.c
index c095689..fb5c961 100644
--- a/sound/soc/codecs/wm8994.c
+++ b/sound/soc/codecs/wm8994.c
@@ -2973,7 +2973,8 @@
 		switch (wm8994->revision) {
 		case 2:
 		case 3:
-			wm8994->hubs.dcs_codes = -5;
+			wm8994->hubs.dcs_codes_l = -5;
+			wm8994->hubs.dcs_codes_r = -5;
 			wm8994->hubs.hp_startup_mode = 1;
 			wm8994->hubs.dcs_readback_mode = 1;
 			wm8994->hubs.series_startup = 1;