The capture source control of maya44 was wrongly coded with the bit
shift instead of the bit mask.  Also, the slot for line-in was
wrongly assigned (slot 5 instead of 4).
Reported-by: NAlex Chernyshoff <alexdsp@gmail.com>
Cc: <stable@kernel.org>
Signed-off-by: NTakashi Iwai <tiwai@suse.de>