[028/151] ALSA: hda - Terradici HDA controllers does not support 64-bit mode

Greg KH
2009-12-17T04:44:02Z

From: Jaroslav Kysela <perex@perex.cz>

commit 396087eaead95fcb29eb36f1e59517aeb58c545e upstream.

Confirmed from vendor and tests in RedHat bugzilla #536782 .

Signed-off-by: Jaroslav Kysela <perex@perex.cz>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

---
sound/pci/hda/hda_intel.c | 5 +++++
1 file changed, 5 insertions(+)

--- a/sound/pci/hda/hda_intel.c
+++ b/sound/pci/hda/hda_intel.c
@@ -2436,6 +2436,11 @@ static int __devinit azx_create(struct s
}
}

+ /* 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));