On Tuesday, December 04, 2012 11:11:27 PM Jan-Matthias Braun wrote: > Hi Rafael, > > Am Donnerstag 29. November 2012, 23:28:55 schrieb Rafael J. Wysocki: > > On Thursday, November 29, 2012 03:03:04 PM Jan-Matthias Braun wrote: > > > Am Donnerstag, 29. November 2012, 01:20:04 schrieb Rafael J. Wysocki: > > > > On Tuesday, November 27, 2012 09:26:11 PM Jiri Kosina wrote: > > > > > On Sun, 25 Nov 2012, Jan-Matthias Braun wrote: > > > > > > I have now done a git bisection from 3.0 to 3.1 and have found commit > > > > > > 1e2ef05bb8cf851a694d38e9170c89e7ff052741 PM: Limit race conditions between runtime PM and system sleep (v2) > > > > > > to be the first one to introduce the necessity of a module reload after resume. > > > > > > > > So with that commit your device doesn't work after resume from system suspend > > > > unless you reload the driver? > > > > > > Yes. Additionally, with later kernel revisions even this won't help, but I could imagine this to be a consequence of the same problem. > > > > > > > > > I hope that this helps in finding a solution. As I (again) don't immediatly > > > > > > know how to go on, I kindly ask you to give me some hints for testing/patching > > > > > > or even a possible solution. :-) > > > > > > > > Can you apply the patch below to the current mainline kernel and see if it makes any > > > > difference, please? > > > > > > It does: Current mainline kernel (version >3.7.0-rc7 from git) is not showing > > > the problem, if the patch is applied. > > > > If you apply the patch below instead of the previous one, does it make > > the problem return, or is it still good? > > again, the problem does not occur; the resume behaviour of the touchscreen is still good. > > Thanks a lot for testing! Well, thank you. :-) I'll add a changelog to this patch and submit it as a fix for the issue you're observing. Thanks, Rafael -- I speak only for myself. Rafael J. Wysocki, Intel Open Source Technology Center. -- 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
