| From | Greg Kroah-Hartman <> | Subject | [PATCH 4.16 160/196] ALSA: hda - New VIA controller suppor no-snoop path | Date | Sun, 22 Apr 2018 15:53:00 +0200 |
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4.16-stable review patch. If anyone has any objections, please let me know.
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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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