RE: [PATCH V1] input: keyboard: Add interrupt keyboard driver.

[Laxman Dewangan]

On Thursday, January 19, 2012 1:00 PM, Dmitry Torokhov wrote:

> On Tue, Jan 17, 2012 at 11:11:55AM +0530, Laxman Dewangan wrote:
> > This driver enables the key detection of the keys which
> > are connected to interrupt lines.
> > Each key is capable of generating an interrupt, and the
> > statesi (pressed or released) cannot be found by any
> > mechanism.
> > A key press event generated when interrupt occurs, and
> > based on the debounce time setting, a key release event
> > is generated. There is no need to read the state of the
> > keys.
> 
> 
> Is it possible to modify gpio_keys to skip requesting and settin up
> certain gpios and and use it instead of a brand new driver?

I first tried this approach and found that this makes the gpio_keys
driver very complex because almost all places where gpio-apis are
getting called need to put under if condition.
Also there is some special handling for auto key release events
Which makes gpio-key driver again complex.




> 
> --
> Dmitry
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