Original idea from Nicolas Boichat <nicolas@boichat.ch>.
The pin configurations of Macmini and MacBook (1st generation, at least)
seem identical with MacBook Pro (1st generation).
Signed-off-by: NTakashi Iwai <tiwai@suse.de>
Signed-off-by: NJaroslav Kysela <perex@suse.cz>