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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
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>
-rw-r--r--include/sound/core.h16
-rw-r--r--sound/core/misc.c10
2 files changed, 20 insertions, 6 deletions
diff --git a/include/sound/core.h b/include/sound/core.h
index f632484bc74..f67952a61a2 100644
--- a/include/sound/core.h
+++ b/include/sound/core.h
@@ -446,21 +446,33 @@ static inline int __snd_bug_on(int cond)
struct snd_pci_quirk {
unsigned short subvendor; /* PCI subvendor ID */
unsigned short subdevice; /* PCI subdevice ID */
+ unsigned short subdevice_mask; /* bitmask to match */
int value; /* value */
#ifdef CONFIG_SND_DEBUG_VERBOSE
const char *name; /* name of the device (optional) */
#endif
};
-#define _SND_PCI_QUIRK_ID(vend,dev) \
- .subvendor = (vend), .subdevice = (dev)
+#define _SND_PCI_QUIRK_ID_MASK(vend, mask, dev) \
+ .subvendor = (vend), .subdevice = (dev), .subdevice_mask = (mask)
+#define _SND_PCI_QUIRK_ID(vend, dev) \
+ _SND_PCI_QUIRK_ID_MASK(vend, 0xffff, dev)
#define SND_PCI_QUIRK_ID(vend,dev) {_SND_PCI_QUIRK_ID(vend, dev)}
#ifdef CONFIG_SND_DEBUG_VERBOSE
#define SND_PCI_QUIRK(vend,dev,xname,val) \
{_SND_PCI_QUIRK_ID(vend, dev), .value = (val), .name = (xname)}
+#define SND_PCI_QUIRK_VENDOR(vend, xname, val) \
+ {_SND_PCI_QUIRK_ID_MASK(vend, 0, 0), .value = (val), .name = (xname)}
+#define SND_PCI_QUIRK_MASK(vend, mask, dev, xname, val) \
+ {_SND_PCI_QUIRK_ID_MASK(vend, mask, dev), \
+ .value = (val), .name = (xname)}
#else
#define SND_PCI_QUIRK(vend,dev,xname,val) \
{_SND_PCI_QUIRK_ID(vend, dev), .value = (val)}
+#define SND_PCI_QUIRK_MASK(vend, mask, dev, xname, val) \
+ {_SND_PCI_QUIRK_ID_MASK(vend, mask, dev), .value = (val)}
+#define SND_PCI_QUIRK_VENDOR(vend, xname, val) \
+ {_SND_PCI_QUIRK_ID_MASK(vend, 0, 0), .value = (val)}
#endif
const struct snd_pci_quirk *
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