Re: issue with srm7500libusb

[Henning G. <gl...@de...>]

On Mon, Apr 18, 2011 at 02:56:42PM -0400, Jarod Wilson wrote:
> On Apr 18, 2011, at 4:13 AM, Ludwig Nussel wrote:
> > User reports issues with an Philips SRM 7500 receiver (srm7500libusb):
> > https://bugzilla.novell.com/show_bug.cgi?id=683307
> > 
> > I don't know the first thing about this. Anyone want to take a look?
> > openSUSE 11.4 has lirc 0.8.7 on kernel 2.6.37.1.
> 
> 
> I'm not at all familiar with this hardware either, adding its author
> to the cc list, maybe Henning has a better idea of what's going on
> here.

Actually, the reporter contacted me directly. 


> It looks like the receiver claims to be an HID device, so I assume
> its the hid-input driver binding to it. Then the userspace driver
> makes a libusb-based call to have the kernel driver release the device,
> but that call is not successful, and thus the userspace driver can't
> get access to the hardware. Why the release isn't successful is the
> big unknown here...

I think the problems may be related to libusb 1.0. I developed and tested the
code for libusb 0.x, and rebuilding lircd against libusb 0.x made the driver
work for the reporter.

-- 
c u
henning