Messages in this thread | | | Date | Fri, 4 May 2012 17:33:56 +0100 | From | Alan Cox <> | Subject | Re: [PATCH] usb: cp210x: Added support for GPIO (CP2103/4/5) |
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On Fri, 04 May 2012 18:26:58 +0200 Alexander Stein <a.stein@systec-electronic.com> wrote:
> Am Montag, 30. April 2012, 15:27:17 schrieb Preston Fick: > > This fix contains several changes that allow toggling of GPIO on CP210x > > devices that support it. Changes include: > > * Added in part number support, necessary to see if the connected device > > supports the GPIO functionality > > * Added two IOCTLs and ioctl function to allow GET/SET of GPIO > > * Added in new #defines for partnum support, new USB requests > > * Changed "Config request types" section to contain more correct definitions > > for request recipient > > > > Signed-off-by: Preston Fick <preston.fick@silabs.com> > > Do you actually need to create new ioctls? You also could support gpiolib and > create a gpiochip for that.
See my follow up posting, and comment on that proposal.
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