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[ALSA] Add PCI quirk list helper function

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Added a helper function snd_pci_quirk_lookup()
to look up PCI SSID quirk list.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>
This commit is contained in:
Takashi Iwai
2006-11-24 15:34:06 +01:00
committed by Jaroslav Kysela
parent 048b945077
commit d9ea472c74
2 changed files with 53 additions and 0 deletions
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25
include/sound/core.h
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@@ -427,4 +427,29 @@ void snd_verbose_printd(const char *file, int line, const char *format, ...)
#endif
#endif
/* PCI quirk list helper */
struct snd_pci_quirk {
unsigned short subvendor; /* PCI subvendor ID */
unsigned short subdevice; /* PCI subdevice ID */
int value; /* value */
#ifdef CONFIG_SND_DEBUG_DETECT
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(vend,dev) {_SND_PCI_QUIRK_ID(vend, dev)}
#ifdef CONFIG_SND_DEBUG_DETECT
#define SND_PCI_QUIRK(vend,dev,xname,val) \
{_SND_PCI_QUIRK_ID(vend, dev), .value = (val), .name = (xname)}
#else
#define SND_PCI_QUIRK(vend,dev,xname,val) \
{_SND_PCI_QUIRK_ID(vend, dev), .value = (val)}
#endif
const struct snd_pci_quirk *
snd_pci_quirk_lookup(struct pci_dev *pci, const struct snd_pci_quirk *list);
#endif /* __SOUND_CORE_H */