4.9-stable review patch. If anyone has any objections, please let me know.
------------------ From: David Wang <davidw...@zhaoxin.com> commit af52f9982e410edac21ca4b49563053ffc9da1eb upstream. This patch is used to tell kernel that new VIA HDAC controller also support no-snoop path. [ minor coding style fix by tiwai ] Signed-off-by: David Wang <davidw...@zhaoxin.com> Cc: <sta...@vger.kernel.org> Signed-off-by: Takashi Iwai <ti...@suse.de> Signed-off-by: Greg Kroah-Hartman <gre...@linuxfoundation.org> --- sound/pci/hda/hda_intel.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) --- a/sound/pci/hda/hda_intel.c +++ b/sound/pci/hda/hda_intel.c @@ -1514,7 +1514,8 @@ static void azx_check_snoop_available(st */ u8 val; pci_read_config_byte(chip->pci, 0x42, &val); - if (!(val & 0x80) && chip->pci->revision == 0x30) + if (!(val & 0x80) && (chip->pci->revision == 0x30 || + chip->pci->revision == 0x20)) snoop = false; }