Re: [PATCH 09/18] input: add input driver for polled GPIO buttons

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Hi Gabor,

On Tue, Nov 23, 2010 at 10:06 AM, Gabor Juhos <juhosg@xxxxxxxxxxx> wrote:
> The existing gpio-keys driver can be usable only for GPIO lines with
> interrupt support. Several devices have buttons connected to a GPIO
> line which is not capable to generate interrupts. This patch adds a
> new input driver using the generic GPIO layer and the input-polldev
> to support such buttons.
>
> Signed-off-by: Gabor Juhos <juhosg@xxxxxxxxxxx>
> Cc: Dmitry Torokhov <dmitry.torokhov@xxxxxxxxx>
> Cc: Mike Frysinger <vapier@xxxxxxxxxx>
> Cc: linux-input@xxxxxxxxxxxxxxx

I'm excited to see this patch posted. As I understand it, this
"separate polling gpio button driver" approach is preferred to the
"polling extensions in gpio-keys approach". I'm sorry I missed the RFC
[1] : I posted a revised version of Alex Clouter's and Paul Mundt's
polling gpio-keys support [2]. But now I can try integrating this
driver. :)

I will be posting a version of the patch shortly that is still using
the polling-gpio-keys support -- because there are discussions in the
machine-specific parts. Then I will try to integrate this driver into
the series.

Best Regards,
Ben Gardiner

[1] http://article.gmane.org/gmane.linux.kernel.input/16468
[2] http://article.gmane.org/gmane.linux.kernel.input/16587

---
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http://www.nanometrics.ca
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