linux-kernel - Re: [PATCH 3/8] gpio: stmpe: fix edge and rising/falling edge detection

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Date:	Thu, 21 Apr 2016 15:48:44 +0200
From:	Patrice Chotard <patrice.chotard@...com>
To:	Linus Walleij <linus.walleij@...aro.org>
CC:	Lee Jones <lee.jones@...aro.org>,
	Alexandre Courbot <gnurou@...il.com>,
	"linux-gpio@...r.kernel.org" <linux-gpio@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	Maxime Coquelin <maxime.coquelin@...com>,
	<amelie.delaunay@...com>, Shawn Guo <shawnguo@...nel.org>,
	Sascha Hauer <kernel@...gutronix.de>,
	Dinh Nguyen <dinguyen@...nsource.altera.com>,
	Viresh Kumar <vireshk@...nel.org>,
	Shiraz Hashim <shiraz.linux.kernel@...il.com>,
	Stephen Warren <swarren@...dotorg.org>,
	Thierry Reding <thierry.reding@...il.com>
Subject: Re: [PATCH 3/8] gpio: stmpe: fix edge and rising/falling edge
 detection



On 04/20/2016 04:37 PM, Linus Walleij wrote:
> On Tue, Apr 19, 2016 at 2:18 PM,  <patrice.chotard@...com> wrote:
>
>> From: Patrice Chotard <patrice.chotard@...com>
>>
>> By cross-checking STMPE 610/801/811/1601/2401/2403 datasheets,
>> it appears that edge detection and rising/falling edge detection
>> is not supported by all STMPE variant:
>>
>>             GPIO              GPIO
>>        Edge detection     rising/falling
>>                           edge detection
>>   610 |      X        |         X       |
>>   801 |               |                 |
>>   811 |      X        |         X       |
>> 1600 |               |                 |
>> 1601 |      X        |         X       |
>> 1801 |               |         X       |
>> 2401 |      X        |         X       |
>> 2403 |      X        |         X       |
>>
>> Rework stmpe_dbg_show_one() and stmpe_gpio_irq to correctly
>> take these cases into account.
>>
>> Signed-off-by: Patrice Chotard <patrice.chotard@...com>
> Very nice.
> Reviewed-by: Linus Walleij <linus.walleij@...aro.org>
>
> I expect this to go into the MFD tree with the rest, I guess
> Lee will cook me an immutable branch for the whole thing
> once he's happy with it.
>
> Yours,
> Linus Walleij

Hi Linus

I will send a v2 as warnings as been detected by kbuild test robot

Thanks

Patrice