From: Mark Brown <broonie@kernel.org>
To: Felipe Tonello <eu@felipetonello.com>
Cc: alsa-devel@alsa-project.org, LiamGirdwoodlgirdwood@gmail.com,
JaroslavKyselaperex@perex.cz, TakashiIwaitiwai@suse.de,
linux-kernel@vger.kernel.org,
"Felipe F. Tonello" <ftonello@cercacor.com>
Subject: Re: [PATCH] ALSA: SoC: Added jack detection kcontrol support
Date: Tue, 23 Jul 2013 13:40:23 +0100 [thread overview]
Message-ID: <20130723124023.GX9858@sirena.org.uk> (raw)
In-Reply-To: <CAGrhNMyAofsnwKYMk+60GyvpaW9pMtoJf_2Q_Tc82G8QCFOiFA@mail.gmail.com>
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On Mon, Jul 22, 2013 at 02:11:44PM -0700, Felipe Tonello wrote:
> My question is: Why ALSA Jack support uses evdev input events to
> notify user-space? Is there any user-space relying on that? If no, I
> would like to change ALSA Jack implementation to only use KControl and
> remove specific implementations.
This was the existing kernel API at the time that the code was added -
I beleive people had been doing that for simple switches that detect the
physical presence of a jack since it looks exactly like a button from a
hardware point of view. See the original commit adding the code.
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next prev parent reply other threads:[~2013-07-23 12:40 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <1374281962-3786-1-git-send-email-eu@felipetonello.com>
2013-07-22 0:01 ` Mark Brown
2013-07-22 21:11 ` Felipe Tonello
2013-07-23 12:40 ` Mark Brown [this message]
2013-07-24 0:10 ` Felipe Tonello
2013-07-24 0:13 ` Mark Brown
2013-07-24 6:16 ` [alsa-devel] " David Henningsson
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