From: Mark Brown <broonie@opensource.wolfsonmicro.com>
To: Janusz Krzysztofik <jkrzyszt@tis.icnet.pl>
Cc: alsa-devel@alsa-project.org, Jonathan McDowell <noodles@earth.li>,
Tony Lindgren <tony@atomide.com>,
Peter Ujfalusi <peter.ujfalusi@nokia.com>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
e3-hacking@earth.li, Arun KS <arunks@mistralsolutions.com>,
"linux-serial@vger.kernel.org" <linux-serial@vger.kernel.org>,
"linux-omap@vger.kernel.org" <linux-omap@vger.kernel.org>,
Alan Cox <alan@lxorguk.ukuu.org.uk>, Takashi Iwai <tiwai@suse.de>
Subject: Re: [alsa-devel] [RFC] [PATCH 3/3] ASoC: add support for Amstrad E3 (Delta) machine
Date: Thu, 23 Jul 2009 09:57:38 +0100 [thread overview]
Message-ID: <20090723085738.GC5744@rakim.wolfsonmicro.main> (raw)
In-Reply-To: <200907222118.06396.jkrzyszt@tis.icnet.pl>
On Wed, Jul 22, 2009 at 09:18:05PM +0200, Janusz Krzysztofik wrote:
> After all, I am not sure what your preferences finally are. If you still think
> that exporting gpio based jack state from ASoC framework over gpiolib sysfs
> doesn't hurt and can be usefull, I'll remove the code from my driver and
> provide a patch against sound/soc/soc-jack.c. But if you would rather prefere
> exposing jack state in a more general, not gpio limited way instead, or
> depend on input layer provided EVIOCGSW ioctl, as Dmitry suggested
> (unfortunatelly, unlike generic ldattach, there is no utility ready for
> use!), I'd rather keep this gpio_export() in my driver, let's say for
> diagnostic purposes, at least until that different option is ready for use in
> a convenient way.
Jack state is already exposed via the input layer by the ALSA jack core.
Reporting of GPIO state via gpio_export() would be additional to that
and would be purely for debug purposes, it would not be recommended for
use by userspace applications.
prev parent reply other threads:[~2009-07-23 8:57 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-07-22 3:22 [RFC] [PATCH 3/3] ASoC: add support for Amstrad E3 (Delta) machine Janusz Krzysztofik
2009-07-22 11:03 ` Mark Brown
2009-07-22 11:39 ` [alsa-devel] " Takashi Iwai
2009-07-22 12:19 ` Mark Brown
2009-07-22 14:55 ` Janusz Krzysztofik
2009-07-22 14:53 ` Janusz Krzysztofik
2009-07-22 15:07 ` Mark Brown
2009-07-22 19:18 ` Janusz Krzysztofik
2009-07-23 8:57 ` Mark Brown [this message]
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