Re: [PATCH] hid Logitech G13 Driver 0.0.5

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Hi Rick,

Please check how your driver behaves if the framebuffer is still in use
(open and/or mmapped) by some userspace process when you unplug the
keyboard.

Probably you will get hit be the same complaints from kernel I was seeing
with PicoLCD driver (see my patch http://lkml.org/lkml/2010/5/30/15 that
is expected to fix it on PicoLCD side, the refcounting part of the patch)

Bruno


On Tue, 22 June 2010 "Rick L. Vinyard, Jr." <rvinyard@xxxxxxxxxxx> wrote:
> I've been waiting to resubmit until I get some of the userspace libraries
> and utilities a little more mature. There were some things I was exposing
> to sysfs that I didn't absolutely need, and some others that I needed to
> add.
> 
> The cairo and papyrus libraries are (preliminarily) fully working. Once I
> make sure I have everything the daemon will need I'll resubmit the driver,
> and once that is done I was planning on submitting the libs/utils to
> Fedora.
> 
> For now, I've been dropping Fedora 12/13 patches and kernel SRPMS here:
> http://miskatonic.cs.nmsu.edu/g13/
> 
> And the userspace libraries/utilities are at:
> http://g13.sourceforge.net
> 
> As for the g13fb on the G15... I would imagine it could be done, but I
> don't have a G15 so I can't say for sure.
> 
> If I had to guess I think you'll have to take the core functionality of
> the keyboard driver and extend it with the fb code in the _same_ driver if
> the keyboard and display use a similar design to the G13.
> 
> The G13 uses the same endpoint for both keyboard input and display
> messages, and since a USB endpoint can't be shared across drivers both
> will have to reside in the same driver.
> 
> --
> 
> Rick
> 
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