[roob@NoRmL rockbox]$ ls
apps/        docs/      flash/  gdb/            manual/  tools/        wps/
bootloader/  firmware/  fonts/  kocop11.2.diff  rbutil/  uisimulator/
[roob@NoRmL rockbox]$ patch --binary -p0 < kocop11.2.diff
can't find file to patch at input line 5
Perhaps you used the wrong -p or --strip option?
The text leading up to this was:
--------------------------
|diff --git a/apps/codecs.c b/apps/codecs.c
|index 09fd6e5..c05a160 100644
|--- a/apps/codecs.c
|+++ b/apps/codecs.c
--------------------------
File to patch: