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authorTakashi Iwai <tiwai@suse.de>2009-01-30 17:27:45 +0100
committerTakashi Iwai <tiwai@suse.de>2009-02-09 17:19:11 +0100
commit8bd4bb7a35e8ebb015a531218614c48e10a3c4ee (patch)
treef784818fdca481fd681f90c69ab006dda3a0871e /sound/core
parent18e352e4a73465349711a9324767e1b2453383e2 (diff)
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>
Diffstat (limited to 'sound/core')
-rw-r--r--sound/core/misc.c10
1 files changed, 6 insertions, 4 deletions
diff --git a/sound/core/misc.c b/sound/core/misc.c
index 38524f615d9..a9710e0c97a 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