[ALSA] Add VT1617A codec support

AC97 Codec
Added (minimal) support of VT1617A codec with SPDIF.

Signed-off-by: Takashi Iwai <tiwai@suse.de>

1 files changed, 4 insertions, 2 deletions

diff --git a/sound/pci/ac97/ac97_codec.c b/sound/pci/ac97/ac97_codec.c
index 33dba10f03e8..600e053dfd35 100644
--- a/sound/pci/ac97/ac97_codec.c
+++ b/sound/pci/ac97/ac97_codec.c
@@ -157,6 +157,7 @@ static const ac97_codec_id_t snd_ac97_codec_ids[] = {
 { 0x54524123, 0xffffffff, "TR28602",            NULL,           NULL }, // only guess --jk [TR28023 = eMicro EM28023 (new CT1297)]
 { 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
 { 0x57454301, 0xffffffff, "W83971D",            NULL,           NULL },
 { 0x574d4c00, 0xffffffff, "WM9701A",            NULL,           NULL },
 { 0x574d4C03, 0xffffffff, "WM9703,WM9707,WM9708,WM9717", patch_wolfson03, NULL},
@@ -2580,8 +2581,6 @@ int snd_ac97_tune_hardware(ac97_t *ac97, struct ac97_quirk *quirk, const char *o
 {
         int result;
 
-        snd_assert(quirk, return -EINVAL);
-
         /* quirk overriden? */
         if (override && strcmp(override, "-1") && strcmp(override, "default")) {
                 result = apply_quirk_str(ac97, override);
@@ -2590,6 +2589,9 @@ int snd_ac97_tune_hardware(ac97_t *ac97, struct ac97_quirk *quirk, const char *o
                 return result;
         }
 
+        if (! quirk)
+                return -EINVAL;
+
         for (; quirk->subvendor; quirk++) {
                 if (quirk->subvendor != ac97->subsystem_vendor)
                         continue;