linux-kernel - Re: [PATCH] gpio: export 'debounce' attribute if supported by the gpio chip

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Message-ID: <20121207164906.08b65046@pyramind.ukuu.org.uk>
Date:	Fri, 7 Dec 2012 16:49:06 +0000
From:	Alan Cox <alan@...rguk.ukuu.org.uk>
To:	Guenter Roeck <groeck-dsl@...global.net>
Cc:	Linus Walleij <linus.walleij@...aro.org>,
	Guenter Roeck <linux@...ck-us.net>,
	linux-kernel@...r.kernel.org,
	Grant Likely <grant.likely@...retlab.ca>,
	Dmitry Torokhov <dmitry.torokhov@...il.com>
Subject: Re: [PATCH] gpio: export 'debounce' attribute if supported by the
 gpio chip

> I could imagine declaring the activity request buttons to be "input", but for
> presence detects it is a bit far fetched and would add too much complexity.

Android tries to address this with its switch class driver, but I'm not
sure its actually got anything over making them input devices.

Alan
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