On Sat, May 20, 2006 at 01:21:24PM +0200, Bart Verstraete wrote:
> Greg KH schreef:
> >On Fri, May 19, 2006 at 10:35:28PM +0200, Bart Verstraete wrote:
> >  
> >>Hi,
> >>got this code for a dacal dc300, its a cd library,more info on 
> >>http://www.dacal.com.tw. But now I want to convert it to a kernel 
> >>module, but the first thing I don't know how I would use the function 
> >>usb_control_msg(). I need it to  fill with the data I retrieve from 
> >>usbsnoop.log that is included and can be found in dacal.tar.gz
> >>Also can i find something where the current cd is, like in position 57, 
> >>the dacal keeps track of it because the number keeps displayed on the 
> >>led, so I should somehow have to access the led?
> >>dacaldcxxx.tar.gz is the code for   the kernel module it doe nothing but 
> >>load into to the kernel reistering the device   the dacal.TAR.GZ uses 
> >>libusb to use the device ut it only runs under root otherwise the device 
> >>does nothing, why is that???
> >>    
> >
> >Why not just stick with the libusb version?  And if you use the latest
> >version of libusb, it will use the /dev/usb/ nodes found on the latest
> >2.6 kernel versions which makes it easier to set the proper user
> >permissions.  That will help you out from having to run the program as
> >root.
> >
> >  
> Ok if I stick with libusb I still have the problem with the permisions 
> and I don't know what to change(newbie here)

No, just use udev to set the permissions properly for your individual
USB device.  See the documentation in udev for how to do this.

> >As a side note, your attachments made a whole lot of email servers puke
> >messages back to the list admins.  It's not your fault at all, it's just
> >some companies (Intel in paticular) is really dumb in not allowing any
> >attachments to come through their system, so a lot of different people
> >on this mailing list never saw your original post :(
> >
> >  
> Sorry about that, in the future I will post a weblink.

Not your fault at all, just me ranting about stupid mail admins :)

thanks,

greg k-h


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