Return value of audiohw_set_xxx_vol is never used and most of the time we have a return 0; --> kick it

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@16300 a1c6a512-1295-4272-9138-f99709370657

1 files changed, 1 insertions, 3 deletions

diff --git a/firmware/drivers/audio/wm8721.c b/firmware/drivers/audio/wm8721.c
index dd3c1332fc..1090b70b07 100644
--- a/firmware/drivers/audio/wm8721.c
+++ b/firmware/drivers/audio/wm8721.c
@@ -141,7 +141,7 @@ void audiohw_enable_output(bool enable)
     }
 }
 
-int audiohw_set_master_vol(int vol_l, int vol_r)
+void audiohw_set_master_vol(int vol_l, int vol_r)
 {
     /* +6 to -73dB 1dB steps (plus mute == 80levels) 7bits */
     /* 1111111 == +6dB */
@@ -150,8 +150,6 @@ int audiohw_set_master_vol(int vol_l, int vol_r)
     /* 0101111 == mute (0x2f) */
     wmcodec_write(LOUTVOL, VOLUME_ZC_WAIT | vol_l);
     wmcodec_write(ROUTVOL, VOLUME_ZC_WAIT | vol_r);
- 
-    return 0;
 }
 
 /* Nice shutdown of WM8721 codec */