From 8bd4bb7a35e8ebb015a531218614c48e10a3c4ee Mon Sep 17 00:00:00 2001 From: Takashi Iwai Date: Fri, 30 Jan 2009 17:27:45 +0100 Subject: [PATCH] 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 --- include/sound/core.h | 16 ++++++++++++++-- sound/core/misc.c | 10 ++++++---- 2 files changed, 20 insertions(+), 6 deletions(-) diff --git a/include/sound/core.h b/include/sound/core.h index f632484bc743..f67952a61a2d 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 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 -- 2.30.2