lkml.org 
[lkml]   [2012]   [Mar]   [25]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: PCA GPIO interrupt triggers

> I'm using a GPIO chip (PCA9554) for a matrix-keypad. The keypad
> driver itself needs interrupts for both rising and falling edges.
> The PCA driver (gpio-pca953x.c) doesn't support it, but I don't
> understand why.

? I fail to see why having EDGE_FALLING together with EDGE_RISING is not
supported. Are you sure you didn't use some other IRQ_TYPE here?

> I think, this patch should work:

Think? Can't you test it :)

Regards,

Wolfram

--
Pengutronix e.K. | Wolfram Sang |
Industrial Linux Solutions | http://www.pengutronix.de/ |
[unhandled content-type:application/pgp-signature]
\
 
 \ /
  Last update: 2012-03-25 09:43    [W:0.276 / U:0.396 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site