From mboxrd@z Thu Jan  1 00:00:00 1970
From: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Subject: Re: [alsa-devel] [PATCH V2 2/7] drm/i915: Add support
 for audio driver notifications
Date: Fri, 6 Jan 2017 14:20:06 -0600
Message-ID: <4a3a114e-9b81-a834-9fc1-5c20d9355b6d@linux.intel.com>
References: <20170107012109.25744-1-jerome.anand@intel.com>
 <20170107012109.25744-3-jerome.anand@intel.com>
Mime-Version: 1.0
Content-Type: text/plain; charset="utf-8"; Format="flowed"
Content-Transfer-Encoding: base64
Return-path: <intel-gfx-bounces@lists.freedesktop.org>
In-Reply-To: <20170107012109.25744-3-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: alsa-devel@alsa-project.org
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