ASoC: Fix setting update bits for WM8741_DACRMSB_ATTENUATION

After checking the code and datasheet, I think what we want in the second
snd_soc_update_bits call is to update WM8741_DACRMSB_ATTENUATION register
instead of WM8741_DACRLSB_ATTENUATION.

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
diff --git a/sound/soc/codecs/wm8741.c b/sound/soc/codecs/wm8741.c
index 78c9e5a..a42b282 100644
--- a/sound/soc/codecs/wm8741.c
+++ b/sound/soc/codecs/wm8741.c
@@ -462,7 +462,7 @@
 			    WM8741_UPDATELM, WM8741_UPDATELM);
 	snd_soc_update_bits(codec, WM8741_DACRLSB_ATTENUATION,
 			    WM8741_UPDATERL, WM8741_UPDATERL);
-	snd_soc_update_bits(codec, WM8741_DACRLSB_ATTENUATION,
+	snd_soc_update_bits(codec, WM8741_DACRMSB_ATTENUATION,
 			    WM8741_UPDATERM, WM8741_UPDATERM);
 
 	snd_soc_add_controls(codec, wm8741_snd_controls,