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From:   bugzilla-daemon@bugzilla.kernel.org
To:     platform-driver-x86@vger.kernel.org
Subject: [Bug 210269] New: Tablet mode not correctly reported after wake-up
 from hibernate
Date:   Thu, 19 Nov 2020 15:39:32 +0000
X-Bugzilla-Reason: None
X-Bugzilla-Type: new
X-Bugzilla-Watch-Reason: AssignedTo drivers_platform_x86@kernel-bugs.osdl.org
X-Bugzilla-Product: Drivers
X-Bugzilla-Component: Platform_x86
X-Bugzilla-Version: 2.5
X-Bugzilla-Keywords: 
X-Bugzilla-Severity: normal
X-Bugzilla-Who: j.r@jugendhacker.de
X-Bugzilla-Status: NEW
X-Bugzilla-Resolution: 
X-Bugzilla-Priority: P1
X-Bugzilla-Assigned-To: drivers_platform_x86@kernel-bugs.osdl.org
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https://bugzilla.kernel.org/show_bug.cgi?id=210269

            Bug ID: 210269
           Summary: Tablet mode not correctly reported after wake-up from
                    hibernate
           Product: Drivers
           Version: 2.5
    Kernel Version: 5.9.9
          Hardware: All
                OS: Linux
              Tree: Mainline
            Status: NEW
          Severity: normal
          Priority: P1
         Component: Platform_x86
          Assignee: drivers_platform_x86@kernel-bugs.osdl.org
          Reporter: j.r@jugendhacker.de
        Regression: No

I'm currently using a Lenovo Thinkpad X1 Yoga 2nd Gen which is a convertible.
If I fold it into tablet mode, go to hibernate / suspend, fold it back to
laptop mode (while powered off) and resume the system the tablet mode on/off is
not reported anymore until I fold it into tablet mode and back one time.

I debugged this via evemu-record which does not show 0 for SW_TABLET_MODE when
I resume in laptop mode.

I also tested if normal sleep / suspend to RAM is affected but there
SW_TABLET_MODE was correctly reported after resuming.

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