From mboxrd@z Thu Jan  1 00:00:00 1970
From: han.lu@intel.com
Subject: [PATCH-V3 2/2] ALSA:hda - reset display codec when
	power on
Date: Wed, 29 Apr 2015 17:49:26 +0800
Message-ID: <1430300966-19331-2-git-send-email-han.lu@intel.com>
References: <1430300966-19331-1-git-send-email-han.lu@intel.com>
Mime-Version: 1.0
Content-Type: text/plain; charset="utf-8"
Content-Transfer-Encoding: base64
Return-path: <intel-gfx-bounces@lists.freedesktop.org>
Received: from mga14.intel.com (mga14.intel.com [192.55.52.115])
 by gabe.freedesktop.org (Postfix) with ESMTP id 006336E592
 for <intel-gfx@lists.freedesktop.org>; Wed, 29 Apr 2015 02:50:15 -0700 (PDT)
In-Reply-To: <1430300966-19331-1-git-send-email-han.lu@intel.com>
List-Unsubscribe: <http://lists.freedesktop.org/mailman/options/intel-gfx>,
 <mailto:intel-gfx-request@lists.freedesktop.org?subject=unsubscribe>
List-Archive: <http://lists.freedesktop.org/archives/intel-gfx>
List-Post: <mailto:intel-gfx@lists.freedesktop.org>
List-Help: <mailto:intel-gfx-request@lists.freedesktop.org?subject=help>
List-Subscribe: <http://lists.freedesktop.org/mailman/listinfo/intel-gfx>,
 <mailto:intel-gfx-request@lists.freedesktop.org?subject=subscribe>
Errors-To: intel-gfx-bounces@lists.freedesktop.org
Sender: "Intel-gfx" <intel-gfx-bounces@lists.freedesktop.org>
To: daniel.vetter@intel.com, tiwai@suse.de, jani.nikula@intel.com, libin.yang@intel.com, mengdong.lin@intel.com, intel-gfx@lists.freedesktop.org
Cc: "Lu, Han" <han.lu@intel.com>
List-Id: intel-gfx@lists.freedesktop.org
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==