[PATCH v3] input: Add new sun4i-lradc-keys driver

Dmitry Torokhov dmitry.torokhov at gmail.com
Sun Dec 21 18:51:41 PST 2014


On Sat, Dec 20, 2014 at 11:44:37AM +0100, Hans de Goede wrote:
> Hi Dmitry,
> 
> On 18-12-14 18:51, Dmitry Torokhov wrote:
> >Hi Hans,
> >
> >On Thu, Dec 18, 2014 at 11:23:13AM +0100, Hans de Goede wrote:
> >>Allwinnner sunxi SoCs have a low resolution adc (called lradc) which is
> >>specifically designed to have various (tablet) keys (ie home, back, search,
> >>etc). attached to it using a resistor network. This adds a driver for this.
> >>
> >>There are 2 channels, currently this driver only supports chan0 since there
> >>are no boards known to use chan1.
> >>
> >>This has been tested on an olimex a10s-olinuxino-micro, a13-olinuxino, and
> >>a20-olinuxino-micro.
> >>
> >>Signed-off-by: Hans de Goede <hdegoede at redhat.com>
> >>--
> >>Changes in v2:
> >>-Change devicetree bindings to use a per key subnode, like gpio-keys does
> >>Changes in v3:
> >>-Handle keyup irq flag before irqdown, in case we get both at once
> >
> >Thank you for making changes. Can you please tell me if the driver still
> >works if you drop the patch below on top of it? The changes are:
> >
> >- split DT parsing into a separate function;
> >- make sure keymap is not empty;
> >- change 'ret' variable to 'error';
> 
> The proposed changes look good, and I've given them a test-spin and everything
> still works fine.

Excellent, folded and applied.

Thanks.

-- 
Dmitry



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