Hi all, I wrote a driver for the popular HC-SRO4 ultrasonic distance sensor. It is beta and has been tested on the Raspberry PI by me and my brother: here is the stand-alone repo: https://github.com/johannesthoma/linux-hc-sro4 I would like to contribute it to the linux kernel, however I am a little bit nervous reading through the Documentation/Submitting[Patches][Drivers] documentation (in particular the How to piss off a kernel developer sections ;), so I wanted to ask if I could post the patch (it will be against the char/mics device kernel tree at git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc.git , I think this is the correct location) on this list first, maybe someone can tell me if the formatting and the driver are correct.. I also have some driver specific questions: *) First, does it really belong to drivers/misc ? There are other sensors there as well, so I suppose this location is right. *) As of now, I've created a new device class "distance" where the sysfs control files live in (so the configuration file is /sys/class/distance/configure ), it works for me (tm) but I don't know if code that creates new device classes would be accepted. Is there another solution to put the control files in? Maybe under /sys/class/gpio? *) I've filled out the parent device field in device_create_with_groups() to NULL, I'm not sure if this is right. If I put a parent, should it be the GPIO device (the HC_SRO4 is attached to two GPIO pins)? *) When I submit the patch, I've read that one should cc the maintainers (that would be Arnd Bergmann <arnd@xxxxxxxx> and Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>) but on what list should I post the patch at all? Is it lkml.org? Please let me know if it ok to post the patch to this list first. Thanks a lot, - Johannes _______________________________________________ Kernelnewbies mailing list Kernelnewbies@xxxxxxxxxxxxxxxxx http://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies
