ALSA: Add subdevice_mask field to quirk entries

Introduced a new field, subdevice_mask, which specifies the bitmask
to match with the given subdevice ID.

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

1 files changed, 6 insertions, 4 deletions

diff --git a/sound/core/misc.c b/sound/core/misc.c
index 38524f615d94..a9710e0c97af 100644
--- a/sound/core/misc.c
+++ b/sound/core/misc.c
@@ -95,12 +95,14 @@ snd_pci_quirk_lookup(struct pci_dev *pci, const struct snd_pci_quirk *list)
 {
         const struct snd_pci_quirk *q;
 
-        for (q = list; q->subvendor; q++)
-                if (q->subvendor == pci->subsystem_vendor &&
-                    (!q->subdevice || q->subdevice == pci->subsystem_device))
+        for (q = list; q->subvendor; q++) {
+                if (q->subvendor != pci->subsystem_vendor)
+                        continue;
+                if (!q->subdevice ||
+                    (pci->subsystem_device & q->subdevice_mask) == q->subdevice)
                         return q;
+        }
         return NULL;
 }
-
 EXPORT_SYMBOL(snd_pci_quirk_lookup);
 #endif