Do not initialize again the what has already been initialized as
multi outs, as this breaks surround speakers.
Tested-by: NBartłomiej Żogała <nusch88@gmail.com>
Cc: <stable@kernel.org>
Signed-off-by: NDavid Henningsson <david.henningsson@canonical.com>
Signed-off-by: NTakashi Iwai <tiwai@suse.de>