linux-kernel - Re: [PATCH RESEND] Input: wm97xx: add BTN_TOUCH event to wm97xx to use it with Android

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Date:	Mon, 02 Mar 2009 18:16:55 +0200
From:	Mike Rapoport <mike@...pulab.co.il>
To:	Mark Brown <broonie@...nsource.wolfsonmicro.com>
CC:	dmitry.torokhov@...il.com, LKML <linux-kernel@...r.kernel.org>,
	linux-input <linux-input@...r.kernel.org>
Subject: Re: [PATCH RESEND] Input: wm97xx: add BTN_TOUCH event to wm97xx to
 use it with Android

Mark,

Mark Brown wrote:
> On Mon, Mar 02, 2009 at 04:12:08PM +0200, Mike Rapoport wrote:
>> Android expects BTN_TOUCH events when pen state changes. Add BTN_TOUCH
>> event reporting to allow use of wm97xx touchscreen controller with
>> Android devices.
> 
>> Signed-off-by: Mike Rapoport <mike@...pulab.co.il>
>> Acked-by: Mark Brown <broonie@...nsource.wolfsonmicro.com>
> 
> I'd still like to see more consistency over touchscreen drivers on this
> one, BTW - if we're doing this it should be done for all touchscreen
> drivers (either by updating the individual drivers or having the input
> core do it).  This isn't the only touchscreen driver that doesn't do
> BTN_TOUCH.

Most touchscreen drivers already have BTN_TOUCH event generation:

> git-grep -L BTN_TOUCH v2.6.29-rc6 drivers/input/touchscreen/
v2.6.29-rc6:drivers/input/touchscreen/Kconfig
v2.6.29-rc6:drivers/input/touchscreen/Makefile
v2.6.29-rc6:drivers/input/touchscreen/mainstone-wm97xx.c
v2.6.29-rc6:drivers/input/touchscreen/ucb1400_ts.c
v2.6.29-rc6:drivers/input/touchscreen/wm9705.c
v2.6.29-rc6:drivers/input/touchscreen/wm9712.c
v2.6.29-rc6:drivers/input/touchscreen/wm9713.c
v2.6.29-rc6:drivers/input/touchscreen/wm97xx-core.c

If there no objection I can make a similar patch for mainstone-wm97xx.c and ucb1400_ts.c



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-- 
Sincerely yours,
Mike.

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