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Date: Tue, 26 Jan 2010 14:23:56 +0300
Message-ID: <bc64b4641001260323y496bf7cdv507085644fadb0fe@mail.gmail.com>
Subject: Re: gpio_keys and how PXA27x sets gpio_set_wake() (was Re: sharp 
	c-3000 aka spitz: fix warn_on introduced in 2.6.32-rc1)
From: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
To: Stanislav Brabec <utx@penguin.cz>
Cc: Eric Miao <eric.y.miao@gmail.com>, Andrew Morton <akpm@osdl.org>,
       thommycheck <thommycheck@gmail.com>, dtor <dtor@mail.ru>,
       arminlitzel <arminlitzel@web.de>,
       linux-input <linux-input@vger.kernel.org>,
       kernel list <linux-kernel@vger.kernel.org>, Dirk <Dirk@opfer-online.de>,
       "Rafael J. Wysocki" <rjw@sisk.pl>, lenz <lenz@cs.wisc.edu>,
       rpurdie <rpurdie@rpsys.net>,
       linux-arm-kernel <linux-arm-kernel@lists.infradead.org>,
       Pavel Machek <pavel@ucw.cz>, Cyril Hrubis <metan@ucw.cz>,
       zaurus-devel <zaurus-devel@www.linuxtogo.org>,
       omegamoon <omegamoon@gmail.com>, Vojtech Pavlik <vojtech@suse.cz>
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Hello,

2010/1/26 Stanislav Brabec <utx@penguin.cz>:
> Eric Miao wrote:
>> > The problem affects gpio_keys: It is a driver implementing "one key per
>> > gpio". It now handles On/Off and lid switches on Zaurus. Lid switches
>> > are on "normal" GPIOs, On/Off switch is wired to PKWR capable GPIO.
>> Ain't On/Off switch one of the matrix key? And so SPITZ_GPIO_KEY_INT
>> could be used to handle that?
>
> No. On/Off is connected directly to GPIO 95. Other keys use strobe/sense
> matrix keypad.
>
> SPITZ_GPIO_KEY_INT is a bit unspecific. I think it means: Charger was
> inserted or key was pressed or On/Off was pressed.

This seems to be true. At least they used the same design on tosa and other
zaurii.


-- 
With best wishes
Dmitry
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