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authorJaroslav Kysela <perex@perex.cz>2009-12-09 10:44:47 +0100
committerTakashi Iwai <tiwai@suse.de>2009-12-09 12:29:25 +0100
commit396087eaead95fcb29eb36f1e59517aeb58c545e (patch)
tree67936c3a867c4311f2995970c186448085135e30 /sound/pci
parent11caa3bfdf565455ad3079855729ea7112b0d28f (diff)
ALSA: hda - Terradici HDA controllers does not support 64-bit mode
Confirmed from vendor and tests in RedHat bugzilla #536782 . Signed-off-by: Jaroslav Kysela <perex@perex.cz> Cc: <stable@kernel.org> Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/pci')
-rw-r--r--sound/pci/hda/hda_intel.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c
index d822bfc6cad6..efcc4f7c57f2 100644
--- a/sound/pci/hda/hda_intel.c
+++ b/sound/pci/hda/hda_intel.c
@@ -2450,6 +2450,11 @@ static int __devinit azx_create(struct snd_card *card, struct pci_dev *pci,
}
}
+ /* disable 64bit DMA address for Teradici */
+ /* it does not work with device 6549:1200 subsys e4a2:040b */
+ if (chip->driver_type == AZX_DRIVER_TERA)
+ gcap &= ~ICH6_GCAP_64OK;
+
/* allow 64bit DMA address if supported by H/W */
if ((gcap & ICH6_GCAP_64OK) && !pci_set_dma_mask(pci, DMA_BIT_MASK(64)))
pci_set_consistent_dma_mask(pci, DMA_BIT_MASK(64));