[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Message-ID: <20120325074012.GA25173@pengutronix.de>
Date: Sun, 25 Mar 2012 09:40:12 +0200
From: Wolfram Sang <w.sang@...gutronix.de>
To: Peter Rusko <rusko.peter@...lan.hu>
Cc: Grant Likely <grant.likely@...retlab.ca>,
linux-kernel@...r.kernel.org
Subject: Re: 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/ |
Download attachment "signature.asc" of type "application/pgp-signature" (199 bytes)
Powered by blists - more mailing lists