diff options
Diffstat (limited to 'sound/pci/hda/hda_intel.c')
| -rw-r--r-- | sound/pci/hda/hda_intel.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c index fcedad9a5fe..70a9d32f0e9 100644 --- a/sound/pci/hda/hda_intel.c +++ b/sound/pci/hda/hda_intel.c @@ -1052,9 +1052,12 @@ static void azx_init_pci(struct azx *chip) /* Clear bits 0-2 of PCI register TCSEL (at offset 0x44) * TCSEL == Traffic Class Select Register, which sets PCI express QOS * Ensuring these bits are 0 clears playback static on some HD Audio - * codecs + * codecs. + * The PCI register TCSEL is defined in the Intel manuals. */ - update_pci_byte(chip->pci, ICH6_PCIREG_TCSEL, 0x07, 0); + if (chip->driver_type != AZX_DRIVER_ATI && + chip->driver_type != AZX_DRIVER_ATIHDMI) + update_pci_byte(chip->pci, ICH6_PCIREG_TCSEL, 0x07, 0); switch (chip->driver_type) { case AZX_DRIVER_ATI: |