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authorTakashi Iwai <tiwai@suse.de>2011-11-22 19:58:56 +0100
committerTakashi Iwai <tiwai@suse.de>2011-11-23 07:31:36 +0100
commite2301a4de22c438f5a962c7cefc3e9cba736991c (patch)
treed2bb78107ecf2b8f4bc90516763f2131c982fd8a /sound/pci
parenta370fc62b9ad3f73abe2a721de6c03cdcce95b54 (diff)
downloadop-kernel-dev-e2301a4de22c438f5a962c7cefc3e9cba736991c.zip
op-kernel-dev-e2301a4de22c438f5a962c7cefc3e9cba736991c.tar.gz
ALSA: hda - Check subdevice mask in snd_hda_check_board_codec_sid_config()
In snd_hda_check_board_codec_sid_config(), not only comparing with the exact value but allow the bit-mask comparison for vendor-only, etc. Tested-by: Linus Torvalds <torvalds@linux-foundation.org> Tested-by: Dirk Hohndel <hohndel@infradead.org> Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/pci')
-rw-r--r--sound/pci/hda/hda_codec.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/sound/pci/hda/hda_codec.c b/sound/pci/hda/hda_codec.c
index e44b107..4562e9d 100644
--- a/sound/pci/hda/hda_codec.c
+++ b/sound/pci/hda/hda_codec.c
@@ -4046,9 +4046,9 @@ int snd_hda_check_board_codec_sid_config(struct hda_codec *codec,
/* Search for codec ID */
for (q = tbl; q->subvendor; q++) {
- unsigned long vendorid = (q->subdevice) | (q->subvendor << 16);
-
- if (vendorid == codec->subsystem_id)
+ unsigned int mask = 0xffff0000 | q->subdevice_mask;
+ unsigned int id = (q->subdevice | (q->subvendor << 16)) & mask;
+ if ((codec->subsystem_id & mask) == id)
break;
}
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