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    SubjectRe: [RFC PATCH 00/11] input: Synaptics RMI4 Touchscreen Driver
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    On Fri, Aug 17, 2012 at 3:17 PM, Christopher Heiny <cheiny@synaptics.com> wrote:

    > This patch implements a driver supporting Synaptics ClearPad and other
    > touchscreen sensors that use the RMI4 protocol, as defined here:

    OK I looked over the parts I understood, to my surprise there is a
    custom GPIO, LED and ADC driver in there, and none of them use
    the proper kernel subsystems.

    You may want to expose the bus in <linux/input/rmi4.h> or so, and
    put the drivers for these into e.g.

    drivers/gpio/gpio-rmi4.c
    drivers/leds/leds-rmi4.c
    drivers/iio/adc/rmi4.c

    Which would be nice. (Kconfig can make sure they're only available
    when enabling the bus.)

    As for the input stuff I mainly looked at the stuff I understand...

    Yours,
    Linus Walleij


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