Re: [PATCH] Input: gpio_keys - add ack_irq callback for HW that needs ACK

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2013/11/28 Rafał Miłecki <zajec5@xxxxxxxxx>:
> On bcm47xx arch we have GPIO keys with interrupts, but after every IRQ
> we have to change GPIO interrupt polarity. This is necessary to stop
> hardware from generating IRQs all the time and set it into state that
> will generate another IRQ on button release.
> This is not exactly an ACK, but I think it makes sense to use this more
> generic name.
> With this patch we can easily implement GPIO keys support for bcm47xx
> just using gpio_keys.

Example usage:
http://www.linux-mips.org/archives/linux-mips/2013-11/msg00163.html
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