Commit 396087ea authored by Jaroslav Kysela's avatar Jaroslav Kysela Committed by Takashi Iwai

ALSA: hda - Terradici HDA controllers does not support 64-bit mode

Confirmed from vendor and tests in RedHat bugzilla #536782 .
Signed-off-by: default avatarJaroslav Kysela <perex@perex.cz>
Cc: <stable@kernel.org>
Signed-off-by: default avatarTakashi Iwai <tiwai@suse.de>
parent 11caa3bf
......@@ -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));
......
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