Hi, 04.03.2021 09:59, Uwe Kleine-König пишет: > Hello, > > On Wed, Mar 03, 2021 at 05:53:37PM -0800, 'Dmitry Torokhov' wrote: >> On Wed, Mar 03, 2021 at 09:03:30PM +0100, Uwe Kleine-König wrote: >>> On Wed, Mar 03, 2021 at 07:32:23PM +0100, Uwe Kleine-König wrote: >>>> On Wed, Mar 03, 2021 at 11:13:21AM +0800, jingle wrote: >>>>> Please updates this patchs. >>>>> >>>>> https://git.kernel.org/pub/scm/linux/kernel/git/dtor/input.git/commit/?h=next&id=056115daede8d01f71732bc7d778fb85acee8eb6 >>>>> >>>>> https://git.kernel.org/pub/scm/linux/kernel/git/dtor/input.git/commit/?h=next&id=e4c9062717feda88900b566463228d1c4910af6d >>>> >>>> The first was one of the two patches I already tried, but the latter >>>> indeed fixes my problem \o/. >>>> >>>> @Dmitry: If you don't consider your tree stable, feel free to add a >>>> >>>> Tested-by: Uwe Kleine-König <u.kleine-koenig@xxxxxxxxxxxxxx> >>>> >>>> to e4c9062717feda88900b566463228d1c4910af6d. >>> >>> Do you consider this patch for stable? I'd like to see it in Debian's >>> 5.10 kernel and I guess I'm not the only one who would benefit from such >>> a backport. >> >> When I was applying the patches I did not realize that there was already >> hardware in the wild that needed it. The patches are now in mainline, so >> I can no longer adjust the tags, but I will not object if you propose >> them for stable. > > I want to propose to backport commit > > e4c9062717fe ("Input: elantech - fix protocol errors for some trackpoints in SMBus mode") > > to the active stable kernels. This commit repairs the track point and > the touch pad buttons on a Lenovo Thinkpad E15 here. Without this change > I don't get any events apart from an error message for each button press > or move of the track point in the kernel log. (Also the error message is > the same for all buttons and the track point, so I cannot create a new > input event driver in userspace that emulates the right event depending > on the error message :-) > > At least to 5.10.x it applies cleanly, I didn't try the older stable > branches. > > Best regards and thanks > Uwe > I'd like to propose to backport [1] also as it was checked along with previously proposed patch and fixes Elan Trackpoint operation on Thinkpad L13. Both patches apply cleanly to 5.10.17 in my case. I also tried to apply to 5.4.x, but failed. [1] 056115daede8 Input: elan_i2c - add new trackpoint report type 0x5F Additional info is available here: https://lore.kernel.org/linux-input/fe31f6f8-6e38-2ed6-8548-6fa271bf36e9@xxxxxxxxxx/T/#m514047f2c5e7e2ec4ed9658782f14221ed7598fc -- Best regards, Nikolai Kostrigin