ALSA: hda - New VIA controller suppor no-snoop path

[ Upstream commit af52f9982e410edac21ca4b49563053ffc9da1eb ]

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 <davidwang@zhaoxin.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>

diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c
index b8886d4930834e491839c94cf295e3114117d050..8c9345949794cd5f0d782b3fce93d60e7ad3080a 100644 (file)
--- a/sound/pci/hda/hda_intel.c
+++ b/sound/pci/hda/hda_intel.c
@@ -1393,7 +1393,8 @@ static void azx_check_snoop_available(struct azx *chip)
                 */
                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;
        }