From mboxrd@z Thu Jan  1 00:00:00 1970
From: Jani Nikula <jani.nikula@linux.intel.com>
Subject: Re: [PATCH v4 2/5] drm/i915: Add support for audio
	driver	notifications
Date: Mon, 23 Jan 2017 12:57:46 +0200
Message-ID: <871svu82mt.fsf@intel.com>
References: <20170120222232.27791-1-jerome.anand@intel.com>
 <20170120222232.27791-3-jerome.anand@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 mga05.intel.com (mga05.intel.com [192.55.52.43])
 by gabe.freedesktop.org (Postfix) with ESMTPS id 04C7C6E43B
 for <intel-gfx@lists.freedesktop.org>; Mon, 23 Jan 2017 10:57:48 +0000 (UTC)
In-Reply-To: <20170120222232.27791-3-jerome.anand@intel.com>
List-Unsubscribe: <https://lists.freedesktop.org/mailman/options/intel-gfx>,
 <mailto:intel-gfx-request@lists.freedesktop.org?subject=unsubscribe>
List-Archive: <https://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: <https://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: Jerome Anand <jerome.anand@intel.com>, intel-gfx@lists.freedesktop.org, alsa-devel@alsa-project.org
Cc: tiwai@suse.de, broonie@kernel.org, rakesh.a.ughreja@intel.com
List-Id: intel-gfx@lists.freedesktop.org
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