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From:   David Wang <davidwang@zhaoxin.com>
To:     <perex@perex.cz>, <tiwai@suse.com>, <vinod.koul@intel.com>,
        <Vijendar.Mukunda@amd.com>, <subhransu.s.prusty@intel.com>,
        <linux-kernel@vger.kernel.org>, <alsa-devel@alsa-project.org>
CC:     <brucechang@via-alliance.com>, <cooperyan@zhaoxin.com>,
        <qiyuanwang@zhaoxin.com>, <benjaminpan@viatech.com>,
        <lukelin@viacpu.com>, <timguo@zhaoxin.com>,
        David Wang <davidwang@zhaoxin.com>
Subject: [PATCH] ALSA: hda - New VIA controller suppor no-snoop path
Date:   Mon, 16 Apr 2018 17:48:09 +0800
Message-ID: <1523872089-6381-1-git-send-email-davidwang@zhaoxin.com>
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Sender: linux-kernel-owner@vger.kernel.org
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This patch is used to tell kernel that new VIA HDAC controller also
support no-snoop path.

Signed-off-by: David Wang <davidwang@zhaoxin.com>
---
 sound/pci/hda/hda_intel.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c
index 96143df..439e8e9 100644
--- a/sound/pci/hda/hda_intel.c
+++ b/sound/pci/hda/hda_intel.c
@@ -1640,7 +1640,7 @@ 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;
 	}
 
-- 
1.9.1