From mboxrd@z Thu Jan 1 00:00:00 1970 From: Raymond Yau Subject: Re: Adding ELD control to alsa-lib hdmi device Date: Sun, 25 Sep 2011 21:15:14 +0800 Message-ID: References: <1316793246-819-1-git-send-email-broonie@opensource.wolfsonmicro.com> <4e7cd40f.5558df0a.269f.ffffef98SMTPIN_ADDED@mx.google.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from mail-fx0-f51.google.com (mail-fx0-f51.google.com [209.85.161.51]) by alsa0.perex.cz (Postfix) with ESMTP id 9817A1037EE for ; Sun, 25 Sep 2011 15:15:18 +0200 (CEST) Received: by fxe22 with SMTP id 22so5362877fxe.38 for ; Sun, 25 Sep 2011 06:15:18 -0700 (PDT) In-Reply-To: <4e7cd40f.5558df0a.269f.ffffef98SMTPIN_ADDED@mx.google.com> 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: ALSA Development Mailing List List-Id: alsa-devel@alsa-project.org 2011/9/24 Pierre-Louis Bossart : > Hi, > Now that I almost done with exposing a read-only ELD control for HDA/HDMI > outputs, I was wondering how to read it from user-land. PulseAudio and > others rely on the 'hdmi' device, and apparently I can't access this new ELD > control, I have to use the 'hw:x,y' details. If you are using iface_pcm http://www.alsa-project.org/alsa-doc/alsa-lib/control_8c.html CTL interface use snd_ctl_open() to open "hw:x" or use alsactl store