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Subject[PATCH 4.14 130/164] ALSA: hda - New VIA controller suppor no-snoop path
Date
4.14-stable review patch.  If anyone has any objections, please let me know.

------------------

From: David Wang <davidwang@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 <davidwang@zhaoxin.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@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
@@ -1645,7 +1645,8 @@ 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;
}


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