On Sun, Apr 24, 2011 at 02:45:50PM -0700, Ping Cheng wrote: > On Thu, Apr 21, 2011 at 8:52 AM, Chris Bagwell <ch...@cnpbagwell.com> wrote: > > > On Thu, Apr 21, 2011 at 1:14 AM, Peter Hutterer > > <peter.hutte...@who-t.net> wrote: > > > On Wed, Apr 20, 2011 at 09:35:52PM -0500, Favux ... wrote: > > >> While preparing to modify the Rotate parameter entries in the > > >> mediawiki to bring them up to date with 0.11.0 I tested the parameter. > > >> It is not tablet wide with a Bamboo Pen & Touch. Rotating the stylus > > >> does rotate the eraser but not touch and rotating touch does not > > >> rotate the stylus or eraser. I suspect this is true of any usb tablet > > >> with touch. I assume touch is rotated with a ISDV4 device when the > > >> stylus is rotated but I guess I'd like that confirmed. > > > > > > The bamboo exports two kernel devices that also appear as two different > > > devices to the driver, with two different wcmCommon devices. Only the > > > Bamboos should be affected by this, no other tablets. > > > > > > I thought this should be fixed with Ping's "Centralize pen and touch > > > arbitration" patch, but it may not be. Long story short, we should just > > > share the common struct between the two devices. > > > > > > > It looks like that patch links them but uses a special wcmTouchDevice > > instead of wcmDevices. That simplifies some other code in the patch > > but then has this downside. > > > > That patch was aimed at "pen and touc arbitration" to get rid of the jumps > when switching between pen and touch. A follow-up patchset is needed to > combine pen and touch into one common. > > > > I may play with linking them the normal way and see how much grief it > > causes. > > > Have you got enough fun yet ;)? It's all yours. I won't be able to get to > it before June anyway. > > > > Isn't their a libudev patch floating around on mailing list to use > > instead of strcmp()? I'd prefer using that if I'm working on it. > > > No, there is no patch for that yet. Peter shared a proof-of-concept program.
You should be able to just copy the code into the driver, I'm not sure any significant modification is needed other than change argv over to common->device_path wich is trivial enough. and possibly do something useful instead of printing out "yep" :) Cheers, Peter > It looked very promising. We just need to translate the concept into the > driver code. It can be part of the pen-touch merging patchset since we need > to make sure the pen and touch are from the same physical device. > > I can forward Peter's email to you if you can not find it anymore. > > Ping ------------------------------------------------------------------------------ WhatsUp Gold - Download Free Network Management Software The most intuitive, comprehensive, and cost-effective network management toolset available today. Delivers lowest initial acquisition cost and overall TCO of any competing solution. http://p.sf.net/sfu/whatsupgold-sd _______________________________________________ Linuxwacom-devel mailing list Linuxwacom-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/linuxwacom-devel
