On Tue, Jan 11, 2011 at 05:53:01PM +0100, Cedric Sodhi wrote: > I'd like to address the issue of LEDs in this separate thread. The > solution that is provided by Christoph Karg's utility is a great step > forward, given that we can now use the OLEDs at all, but it's also in > several areas problematic: > > -> The utility interferes with the kernel driver, requiring it to be > unloaded and reloaded. > > -> It might crash X, if this is done while input is read from the Wacom > > -> The utility has to be run separately, as root, and accesses the Wacom > directly through libusb
where is this utility? is it still hiding in the ubuntuforums somewhere? Cheers, Peter > > Given these problems and the fact, that the LEDs are an integral part of > the device, I plead for a better solution to be found. > It is my stance, and I think at least with that everyone will agree, > that all interaction with the device shall go through the kernel driver > for the device. > > It's also my opinion, and I think that is in the spirit with the clean > code you practice, that controling OLEDs has nothing to do with Xinput > and should hence not interfere with the xf86-input driver. > > But the problem with requiring root priviledges needs also to be solved. > I for my part find it inconsistent and cumbersome that the device > itsself can be used and controlled as a user (as it should be) but a few > integral operations, which are per se not different from others can only > be accessed as root?! You agree? > > I think it would be a clean, feasible and durable solution to > > > X11/XInput --- xf86-input-wacom --- Kernel Driver --- wcmsetled > | > | > Wacom Hardware > > > where wcmsetled is a userspace tool that communicates with the kernel > driver and is part of the linux-wacom "suite". > And for the sake of the UNIX-philophy, the cleanness of linux-wacom, > against bloat and for the sake of simplicity, both wcmsetled and the > kerneldriver offer only an minimalist's interface, meaning they are > stripped off any flexibility such as converting images to the > appropriate format, which can all take place in userspace before > wcmsetled. > > I think that would make an eligible concept. Does anyone disagree? ------------------------------------------------------------------------------ Protect Your Site and Customers from Malware Attacks Learn about various malware tactics and how to avoid them. Understand malware threats, the impact they can have on your business, and how you can protect your company and customers by using code signing. http://p.sf.net/sfu/oracle-sfdevnl _______________________________________________ Linuxwacom-devel mailing list Linuxwacom-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/linuxwacom-devel
