Messages in this thread | | | Date | Thu, 11 Aug 2011 10:57:50 +0200 | From | Jean-Francois Moine <> | Subject | Re: USB mini-summit at LinuxCon Vancouver |
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On Wed, 10 Aug 2011 17:14:05 -0300 Mauro Carvalho Chehab <mchehab@infradead.org> wrote:
> > -- moving the kernel webcam drivers out of the kernel and doing with these > > cameras _everything_ including webcam function through libusb. I myself do > > not have the imagination to be able to figure out how this could be done > > without a rather humongous amount of work (for example, which streaming > > apps that are currently available would be able to live with this?) but > > unless I misunderstand what he was saying, Greg K-H seems to think that > > this would be the best thing to do. > > I also don't think that this a good alternative. As Hans V. pointed, one of > our long term targets is to create per-sensor I2C drivers that are independent > from the bridges. Also, moving it to userspace would require lots of work > with the duplication of V4L and gspca core into userspace for the devices > that would be moved, and may have some performance impacts.
If only gspca subdrivers are concerned, moving them to usespace should be easy: only the gspca main has to be rewritten, and its best place is in the v4l library.
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