On 05/10/2013 03:39 PM, Tibor Billes wrote: > From: Dmitry Torokhov Sent: 05/10/13 12:54 AM >> >> 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? > > In 3.8.7 it is recognized as PS/2 mouse and the desktop environment doesn't even offer any touchpad settings. In 3.9.1 the touchpad is recognized as 'AlpsPS/2 ALPS DualPoint TouchPad' and yes, the touchpad settings appeared, and yes, clicking was disabled. Enabled it, works like a charm :) > > So what happened is that the 3.8.7 kernel did not recognize my touchpad, so it fell back to PS/2 which worked well for me. The 3.9 kernel recongizes my touchpad correctly because Kevin updated the driver, and my system started using a different configuration as it knew it was a touchpad and not some PS/2 device. Am I right? I recall looking for touchpad settings in one of the 3.8.x kernels and I didn't find any so I didn't bother looking for it again in 3.9... > > In this case I'm sorry for the false report, and thank you guys for the driver update :) This sounds about right. I expect that if you enable tap to click in your settings (should be under "Mouse and Touchpad" if you're using gnome-control-center) you should be good. > >> 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 > -- 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
