On Thu, May 09, 2013 at 10:59:58PM +0200, Tibor Billes wrote: > Hi, > > I found that after upgrading my kernel from 3.8.7 to 3.9 my touchpad only > works partly. By that I mean I can use the touchpad to move the cursor > around, but I cannot click with it by tapping. Is the touchpad recognized as ALPS or PS/2 mouse in 3.8.7? Also, can you check that touchpad tapping is enabled in your desktop environment? Thanks. > My machine is a Dell > Latitude E5530. Since it is 100% reproducible on my machine, I bisected it, > and found this commit: > > commit 1302bac33d9e88cd43e482191a806998f3ed43cc > Author: Kevin Cernekee <cernekee@xxxxxxxxx> > Date: Wed Feb 13 22:27:08 2013 -0800 > > Input: ALPS - add support for "Rushmore" touchpads > > Rushmore touchpads are found on Dell E6230/E6430/E6530. They use the V3 > protocol with slightly tweaked init sequences and report formats. > > The E7 report is 73 03 0a, and the EC report is 88 08 1d > > Credits: Emmanuel Thome reported the MT bitmap changes. > > Signed-off-by: Kevin Cernekee <cernekee@xxxxxxxxx> > Tested-by: Dave Turvene <dturvene@xxxxxxxxxxxx> > Signed-off-by: Dmitry Torokhov <dmitry.torokhov@xxxxxxxxx> > > I did the bisection between 3.8.7 and 3.9, but also tried 3.9.1, it is bad > too. I also tried reverting that commit to make sure that it really is > what made my touchpad not working. The revert did fix my problem. > > That's all I gathered so far, but I'd be happy to help further in any way > I can, just let me know. > > Thanks, > Tibor > -- > To unsubscribe from this list: send the line "unsubscribe linux-input" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html -- Dmitry -- To unsubscribe from this list: send the line "unsubscribe linux-input" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
