From mboxrd@z Thu Jan  1 00:00:00 1970
From: Ville =?iso-8859-1?Q?Syrj=E4l=E4?= <ville.syrjala@linux.intel.com>
Subject: Re: [RFC PATCH v3 2/7] drm/i915: Add support for audio
 driver notifications
Date: Thu, 24 Nov 2016 15:32:40 +0200
Message-ID: <20161124133240.GR31595@intel.com>
References: <20161124235548.16440-1-jerome.anand@intel.com>
 <20161124235548.16440-3-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 mga03.intel.com (mga03.intel.com [134.134.136.65])
 by gabe.freedesktop.org (Postfix) with ESMTPS id 7D1296EA72
 for <intel-gfx@lists.freedesktop.org>; Thu, 24 Nov 2016 13:32:56 +0000 (UTC)
Content-Disposition: inline
In-Reply-To: <20161124235548.16440-3-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>
Cc: alsa-devel@alsa-project.org, tiwai@suse.de, intel-gfx@lists.freedesktop.org, broonie@kernel.org, rakesh.a.ughreja@intel.com
List-Id: intel-gfx@lists.freedesktop.org
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