From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.linuxfoundation.org ([140.211.169.12]:59090 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932481AbeDVOSl (ORCPT ); Sun, 22 Apr 2018 10:18:41 -0400 From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, David Wang , Takashi Iwai Subject: [PATCH 4.4 80/97] ALSA: hda - New VIA controller suppor no-snoop path Date: Sun, 22 Apr 2018 15:53:58 +0200 Message-Id: <20180422135309.591024273@linuxfoundation.org> In-Reply-To: <20180422135304.577223025@linuxfoundation.org> References: <20180422135304.577223025@linuxfoundation.org> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Sender: stable-owner@vger.kernel.org List-ID: 4.4-stable review patch. If anyone has any objections, please let me know. ------------------ From: David Wang 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 Cc: Signed-off-by: Takashi Iwai Signed-off-by: Greg Kroah-Hartman --- 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 @@ -1549,7 +1549,8 @@ 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; }