From mboxrd@z Thu Jan  1 00:00:00 1970
From: Jani Nikula <jani.nikula@linux.intel.com>
Subject: Re: [RFC PATCH 4/5] drm: i915: add DisplayPort amp
	unmute for LPE audio mode
Date: Fri, 27 Jan 2017 15:51:34 +0200
Message-ID: <8760l04nmh.fsf@intel.com>
References: <1485461141-14023-1-git-send-email-pierre-louis.bossart@linux.intel.com>
 <1485461141-14023-5-git-send-email-pierre-louis.bossart@linux.intel.com>
 <87efzo4xxh.fsf@intel.com> <20170127131734.GP31595@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>
In-Reply-To: <20170127131734.GP31595@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: Ville =?utf-8?B?U3lyasOkbMOk?= <ville.syrjala@linux.intel.com>
Cc: alsa-devel@alsa-project.org, tiwai@suse.de, Daniel Vetter <daniel.vetter@ffwll.ch>, intel-gfx@lists.freedesktop.org, broonie@kernel.org
List-Id: alsa-devel@alsa-project.org
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