From: Raymond Yau <superquad.vortex2@gmail.com>
To: ALSA Development Mailing List <alsa-devel@alsa-project.org>
Subject: Re: Adding ELD control to alsa-lib hdmi device
Date: Sun, 25 Sep 2011 21:15:14 +0800 [thread overview]
Message-ID: <CAN8cciYYezp=xqBMmBE4mpyBg+vJC_R23Pychc8h++pUOmVtJw@mail.gmail.com> (raw)
In-Reply-To: <4e7cd40f.5558df0a.269f.ffffef98SMTPIN_ADDED@mx.google.com>
2011/9/24 Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>:
> 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
prev parent reply other threads:[~2011-09-25 13:15 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-09-23 15:54 [PATCH 1/3] ASoC: Convert WM8962 MICBIAS to a supply widget Mark Brown
2011-09-23 15:54 ` [PATCH 2/3] ASoC: Add support for on-board analogue microphones on Speyside WM8962 Mark Brown
2011-09-23 15:54 ` [PATCH 3/3] ASoC: Add DMIC control to Speyside WM8962 board Mark Brown
2011-09-23 18:46 ` Adding ELD control to alsa-lib hdmi device Pierre-Louis Bossart
[not found] ` <000901cc7a21$0a3bea70$1eb3bf50$@bossart@linux.intel.com>
2011-09-25 9:44 ` David Henningsson
2011-09-26 17:59 ` Pierre-Louis Bossart
[not found] ` <4e7cd40f.5558df0a.269f.ffffef98SMTPIN_ADDED@mx.google.com>
2011-09-25 13:15 ` Raymond Yau [this message]
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