Messages in this thread | | | Date | Wed, 6 Nov 2013 09:44:11 +0800 | Subject | Re: ELAN Touchscreen regression in recent 3.12 rc's? (USB) | From | AceLan Kao <> |
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Hi,
Sorry, no thoughts about this. If Kevin would like to try, I can bisect the kernel and build the Ubuntu .deb package for him. But like I say above, those 4 commits doesn't look like to lead to the problem, so I'll try to bisect the whole kernel.
% git bisect start v3.12-rc7 v3.12-rc6 Bisecting: 165 revisions left to test after this (roughly 7 steps) [edd31476011052d8f6591a3194ba0716b0cea681] bnx2x: Set NETIF_F_HIGHDMA unconditionally
Best regards, AceLan Kao.
2013/11/5 Jiri Kosina <jkosina@suse.cz>: > On Wed, 30 Oct 2013, Nikolai Kondrashov wrote: > >> > It's hard to believe that those quirks will lead to the problem. >> > And actually, there are 4 new commits introduced to -rc7, and 3 of >> > them are quirks. >> > >> > % git log --pretty=oneline v3.12-rc6..v3.12-rc7 drivers/hid >> > 86b84167d4e67372376a57ea9955c5d53dae232f HID: wiimote: add LEGO-wiimote VID >> > ad0e669b922c7790182cf19f8015b30e23ad9499 HID: Fix unit exponent parsing >> > again >> > 684524d35fe8d13be1f2649633e43bd02c96c695 HID: usbhid: quirk for SiS >> > Touchscreen >> > 8171a67d587a09e14a4949a81e070345fedcf410 HID: usbhid: quirk for >> > Synaptics Large Touchccreen >> > >> > CC'd Nikolai, since his commit changes the protocol. >> >> My change is very unlikely to produce such problems. It changes calculation of >> axes resolution at the time the report descriptor is processed. The results of >> the calculation are not used by the kernel, AFAIK, but only by userspace >> drivers. The results should not be used to affect the interactions with the >> device, but only the interpretation of the reports (again, in userspace), and >> even that is barely done currently. >> >> Please try reverting that particular commit and see if it affects the >> behavior. > > AceLan, > > do you have any update, please? > > -- > Jiri Kosina > SUSE Labs
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