diff options
Diffstat (limited to 'sound/pci/hda/hda_intel.c')
| -rw-r--r-- | sound/pci/hda/hda_intel.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c index a73d6ca0a90..1c53e337ecb 100644 --- a/sound/pci/hda/hda_intel.c +++ b/sound/pci/hda/hda_intel.c @@ -278,6 +278,9 @@ enum { /* Defines for Nvidia HDA support */ #define NVIDIA_HDA_TRANSREG_ADDR 0x4e #define NVIDIA_HDA_ENABLE_COHBITS 0x0f +#define NVIDIA_HDA_ISTRM_COH 0x4d +#define NVIDIA_HDA_OSTRM_COH 0x4c +#define NVIDIA_HDA_ENABLE_COHBIT 0x01 /* Defines for Intel SCH HDA snoop control */ #define INTEL_SCH_HDA_DEVC 0x78 @@ -900,6 +903,12 @@ static void azx_init_pci(struct azx *chip) update_pci_byte(chip->pci, NVIDIA_HDA_TRANSREG_ADDR, 0x0f, NVIDIA_HDA_ENABLE_COHBITS); + update_pci_byte(chip->pci, + NVIDIA_HDA_ISTRM_COH, + 0x01, NVIDIA_HDA_ENABLE_COHBIT); + update_pci_byte(chip->pci, + NVIDIA_HDA_OSTRM_COH, + 0x01, NVIDIA_HDA_ENABLE_COHBIT); break; case AZX_DRIVER_SCH: pci_read_config_word(chip->pci, INTEL_SCH_HDA_DEVC, &snoop); |