On Thursday 27 October 2011 11:43:21 you wrote: > On Thu, Oct 27, 2011 at 10:05 AM, Greg KH <gregkh@xxxxxxx> wrote: > > On Thu, Oct 27, 2011 at 09:28:59AM +0100, Stefan Hajnoczi wrote: > >> What is the status of the line6 staging driver? There is no TODO file > >> so I'm not sure what is blocking it from leaving staging. > > > > That's a good question. I don't really know the status of the driver at > > the moment, does anyone else? > > I have one question about the design of the driver: > > Do we really need the sysfs attributes which boil down to MIDI > commands? I think a userspace library provides a better interface > because the MIDI commands/values vary between device models and bloat > the driver. Generic sound recording and MIDI software would talk to > the driver. Utilities to control the device could link against the > userspace library. > > By splitting the code into the kernel MIDI/pcm driver and a userspace > control library which uses MIDI we can slim down the kernel driver and > leave the large variation of MIDI commands/values to a library that > the community can improve for specific device models. > > This will make the driver smaller and easier for review. I actually already started to work on this, but progress is slow since I'm quite busy with other things. As soon as there is a convenient way to access device parameters via user space code, I agree that the corresponding sysfs attributes should be removed from the driver. Kind regards, Markus -- Markus Grabner Institute for Computer Graphics and Vision Graz University of Technology, Inffeldgasse 16a/II, 8010 Graz, Austria WWW: http://www.icg.tugraz.at/Members/grabner _______________________________________________ devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxx http://driverdev.linuxdriverproject.org/mailman/listinfo/devel
