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Date: Fri, 4 May 2012 17:33:56 +0100 From: Alan Cox <alan@...rguk.ukuu.org.uk> To: Alexander Stein <a.stein@...tec-electronic.com> Cc: Preston Fick <pffick@...il.com>, gregkh@...uxfoundation.org, linux-usb@...r.kernel.org, linux-kernel@...r.kernel.org, linux-serial@...r.kernel.org, preston.fick@...abs.com Subject: Re: [PATCH] usb: cp210x: Added support for GPIO (CP2103/4/5) On Fri, 04 May 2012 18:26:58 +0200 Alexander Stein <a.stein@...tec-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@...abs.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. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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