ALSA: ac97 - vt1618 7.1 Audio Support

1. Implement 7.1 Output for vt1618 codec.
2. Fix typos in comments from my previous 1617a patch.

Signed-off-by: John L. Utz III <john.utz@dmx.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@perex.cz>

sound/pci/ac97/ac97_codec.c

@@ -168,7 +168,7 @@ static const struct ac97_codec_id snd_ac97_codec_ids[] = {
 { 0x54584e20, 0xffffffff, "TLC320AD9xC",	NULL,		NULL },
 { 0x56494161, 0xffffffff, "VIA1612A",		NULL,		NULL }, // modified ICE1232 with S/PDIF
 { 0x56494170, 0xffffffff, "VIA1617A",		patch_vt1617a,	NULL }, // modified VT1616 with S/PDIF
-{ 0x56494182, 0xffffffff, "VIA1618",		NULL,		NULL },
+{ 0x56494182, 0xffffffff, "VIA1618",		patch_vt1618,   NULL },
 { 0x57454301, 0xffffffff, "W83971D",		NULL,		NULL },
 { 0x574d4c00, 0xffffffff, "WM9701,WM9701A",	NULL,		NULL },
 { 0x574d4C03, 0xffffffff, "WM9703,WM9707,WM9708,WM9717", patch_wolfson03, NULL},