Re: [PATCH v4] Input: synaptics-rmi4: Add F30 support

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Hi Andrew,


On Thu, Jul 24, 2014 at 04:47:21PM -0700, Andrew Duggan wrote:
> RMI4 Function 0x30 provides support for GPIOs, LEDs and mechanical
> buttons.  In particular, the mechanical button support is used in
> an increasing number of touchpads.
> 

I was reading the spec for F30 and it looks to me that instead instead of basic
keymap it should actually implement a gpio chip plus LED devices (probably
later). Then, if GPIOs are indeed attached to buttons one can use standard
gpio_keys driver to create input device.

Thanks.

-- 
Dmitry
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