From mboxrd@z Thu Jan 1 00:00:00 1970 From: Wu Fengguang Subject: [PATCH 5/7] hda - document the ELD proc interface Date: Sat, 22 Nov 2008 09:40:55 +0800 Message-ID: <20081122014309.276059273@linux.intel.com> References: <20081122014050.348491872@linux.intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from azsmga102.ch.intel.com (mga12.intel.com [143.182.124.36]) by alsa0.perex.cz (Postfix) with ESMTP id 5AE531037FF for ; Sat, 22 Nov 2008 04:09:01 +0100 (CET) Content-Disposition: inline; filename=alsa-hdmi-proc-doc.patch List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: alsa-devel-bounces@alsa-project.org Errors-To: alsa-devel-bounces@alsa-project.org To: Takashi Iwai Cc: alsa-devel List-Id: alsa-devel@alsa-project.org Describe what ELD proc interface provides and how to fix incorrect values. Signed-off-by: Wu Fengguang --- Documentation/sound/alsa/Procfile.txt | 10 ++++++++++ 1 file changed, 10 insertions(+) --- sound-2.6.orig/Documentation/sound/alsa/Procfile.txt +++ sound-2.6/Documentation/sound/alsa/Procfile.txt @@ -153,6 +153,16 @@ card*/codec#* Shows the general codec information and the attribute of each widget node. +card*/eld#* + Available for HDMI or DisplayPort interfaces. + Shows ELD(EDID Like Data) info retrieved from the attached HDMI sink, + and describes its audio capabilities and configurations. + + Some ELD fields may be modified by doing `echo name hex_value > eld#*`. + Only do this if you are sure the HDMI sink provided value is wrong. + And if that makes your HDMI audio work, please report to us so that we + can fix it in future kernel releases. + Sequencer Information --------------------- --