Bit banged TEA5767 i2c driver was broken by -Os because delay loops were optimized away. Last byte was being acked when reading so fix that too. Calling all developers: seek out any C delay loops and make sure they're volatile.

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@13723 a1c6a512-1295-4272-9138-f99709370657
1 file changed