Red Hat Bugzilla – Bug 505673
[Tablet PC] Not all hotkeys supported on LG LT20
Last modified: 2018-04-11 12:34:01 EDT
Description of problem: Some buttons are not mapped on tablet pc like LG LT20: - ez menu, note, rotate, esc, up, down Rotate seems to be similar to XO laptop Version-Release number of selected component (if applicable): 2.2.1-3 How reproducible: Always Steps to Reproduce: 1. Post installation 2. 3. Actual results: No hotkeys worked Expected results: All buttons should work out of box Additional info: I include the link of that tablet pc, reddot design winner in 2004.
Could you please run xev 2>&1|tee xev-log.txt and press all problematic keys? Could you then please attach xev-log.txt as uncompressed attachment to this bug, please? Thank you very much.
Created attachment 347722 [details] xev-log from LT20 Notebook Here is log in txt format.
Was xev in focus when you tested the keys? I don't see anything appearing here. please get http://people.freedesktop.org/~whot/evtest.c, compile it with 'gcc -o evtest evtest.c' and run it as root against the devices in /dev/input/eventX. I don't quite know which device spits out the keycodes for the hotkeys, but /proc/bus/input/devices might give you a hint. It's most likely either the keyboard device or some "extra button" device or so. If necessary, simply run it against each device - if you see messages appearing when you hit the button, you've found it. Hit all non-working keys and attach the output here. Thanks.
Created attachment 348005 [details] Result from /proc/bus/input/devices Found something on event6 (./evtest /etc/input/event6 # ./evtest /dev/input/event6 Input driver version is 1.0.0 Input device ID: bus 0x19 vendor 0x0 product 0x6 version 0x0 Input device name: "Video Bus" Supported events: Event type 0 (Sync) Event type 1 (Key) Event code 224 (Brightness down) Event code 225 (Brightness up) Event code 227 (?) Event code 240 (Unknown) Event code 241 (?) Event code 242 (?) Event code 243 (?) Event code 244 (?) Event code 245 (?) Grab succeeded, ungrabbing. Testing ... (interrupt to exit) I think those (?) indicated to unrecognised or unmapped buttons as they are exacly six. I included attached devices.txt and event6 is Video Bus. I am unable to get output of these buttons. Unmapped so far is" "ez menu" -> combination of hardware setup from brightness to power management, can be used for control panel shortcut. So called "Windows Journal button" -> xjournal if available rotate -> should rotate the screen similar to XO laptop esc -> self-explanatory up and down -> similar to up/down key button Side note: can X automatically rotate in ebook mode should I close a screen from Notebook mode? Let me know should I open another bug report.
*** Bug 506357 has been marked as a duplicate of this bug. ***
(In reply to comment #4) > Side note: can X automatically rotate in ebook mode should I close a screen > from Notebook mode? Let me know should I open another bug report. Whether it should rotate at all depends I am afraid to some part on what graphical card you have. Could we get uncompressed /var/log/Xorg.0.log attached to this bug as well, please? Thank you.
> I think those (?) indicated to unrecognised or unmapped buttons as they are > exacly six. I included attached devices.txt and event6 is Video Bus. I am > unable to get output of these buttons. do I understand this right that you don't get output on any /dev/input/eventX device when you hit the buttons? If so, that's a kernel issue then, not an X issue. If you leave evtest running while hitting the keys, you should see the spew of events. For example, if I hit the brightness key on my laptop here, the output is: Input driver version is 1.0.0 Input device ID: bus 0x19 vendor 0x0 product 0x6 version 0x0 Input device name: "Video Bus" Supported events: Event type 0 (Sync) Event type 1 (Key) Event code 224 (Brightness down) Event code 225 (Brightness up) Event code 227 (?) Event code 240 (Unknown) Event code 241 (?) Event code 242 (?) Event code 243 (?) Event code 244 (?) Event code 245 (?) Grab succeeded, ungrabbing. Testing ... (interrupt to exit) Event: time 1245885652.457339, type 1 (Key), code 225 (Brightness up), value 1 Event: time 1245885652.457362, -------------- Report Sync ------------ Event: time 1245885652.457369, type 1 (Key), code 225 (Brightness up), value 0 Event: time 1245885652.457373, -------------- Report Sync ------------
Created attachment 349357 [details] Xorg.0.log (In reply to comment #6) > Whether it should rotate at all depends I am afraid to some part on what > graphical card you have. Could we get uncompressed /var/log/Xorg.0.log attached > to this bug as well, please? > > Thank you. Attachment included.
Created attachment 349365 [details] /dev/input/event5 (In reply to comment #7) > > I think those (?) indicated to unrecognised or unmapped buttons as they are > > exacly six. I included attached devices.txt and event6 is Video Bus. I am > > unable to get output of these buttons. > > do I understand this right that you don't get output on any /dev/input/eventX > device when you hit the buttons? If so, that's a kernel issue then, not an X > issue. I have included event5 attachment 5 [details]yq5 with non-working hotkeys. All keyboards generated ouput except six buttons located on both upper and lower screen from the LT20 Notebook - those are problably kernel related because they did not return output on any event-. When you look at the posted url, look at buttons located on screen. Only Power and Enter buttons works, the result will not return any output.
Pushing to kernel, then.
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That bug is still exists on Fedora 13. Keys like EZ Menu, Screen Rotation, have no input with the latest kernel.
Closing this bug report because I no longer have LG LT20 laptop.