Re: [PATCH] usb: cp210x: Added support for GPIO (CP2103/4/5)

[Alexander Stein]

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@xxxxxxxxxx>

Do you actually need to create new ioctls? You also could support gpiolib and 
create a gpiochip for that.

just my 2 cents,
Alexander

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