Submit FS#12081. Check validity of channel configuration, comment unneeded code that is too inflexible to work with MAX_CHANNELS = 2. Fixes compiler warnings with GCC 4.6.0.

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@29784 a1c6a512-1295-4272-9138-f99709370657
1 file changed