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Thread: HOW TO: Set up the HP TX2z and Dell XT & XT2 (N-trig digitizer) in Ubuntu

  1. #1321
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    Re: HOW TO: Set up the HP TX2z and Dell XT & XT2 (N-trig digitizer) in Ubuntu

    Quote Originally Posted by Ayuthia View Post
    That is interesting. I was thinking that we would have seen the switch code there. If you don't mind, I have one other application that I would like you to try. Please download the file and do the following:
    Code:
    tar -xvjf dell_wmi_mon.pl.tar.bz2
    perl dell_wmi_mon.pl
    and rotate from laptop to tablet and back again. Please let us know if any results come back from this. This code is from Rafi Rubin. I just changed it so that it will print out information instead of calling a rotate application.

    i'm sorry, no results at all, even after restarting the computer...

  2. #1322
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    Re: HOW TO: Set up the HP TX2z and Dell XT & XT2 (N-trig digitizer) in Ubuntu

    Quote Originally Posted by wildschweini View Post
    i'm sorry, no results at all, even after restarting the computer...
    Thanks. I am going to check with Rafi on this to see if he has any ideas about what is happening.

  3. #1323
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    Re: HOW TO: Set up the HP TX2z and Dell XT & XT2 (N-trig digitizer) in Ubuntu

    Hi wildschweini,

    In the meantime could you post the output of?:
    Code:
    ls -l /dev/input
    That will let us look at the permissions for your device nodes.

  4. #1324
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    Re: HOW TO: Set up the HP TX2z and Dell XT & XT2 (N-trig digitizer) in Ubuntu

    Quote Originally Posted by Favux View Post
    Hi wildschweini,

    In the meantime could you post the output of?:
    Code:
    ls -l /dev/input
    That will let us look at the permissions for your device nodes.

    here we go:

    Code:
    $ ls -l /dev/input/
    total 0
    drwxr-xr-x  2 root root    100 2010-12-13 19:15 by-id
    drwxr-xr-x  2 root root    160 2010-12-13 19:15 by-path
    lrwxrwxrwx  1 root root      6 2010-12-13 19:15 dell-wmi -> event5
    crw-r-----  1 root root 13, 64 2010-12-13 19:15 event0
    crw-r-----  1 root root 13, 65 2010-12-13 19:15 event1
    crw-rw----+ 1 root root 13, 74 2010-12-13 19:15 event10
    crw-r-----  1 root root 13, 75 2010-12-13 19:15 event11
    crw-r-----  1 root root 13, 66 2010-12-13 19:15 event2
    crw-r-----  1 root root 13, 67 2010-12-13 19:15 event3
    crw-r-----  1 root root 13, 68 2010-12-13 19:15 event4
    crw-r--r--  1 root root 13, 69 2010-12-13 19:15 event5
    crw-r-----  1 root root 13, 70 2010-12-13 19:15 event6
    crw-r-----  1 root root 13, 71 2010-12-13 19:15 event7
    crw-r-----  1 root root 13, 72 2010-12-13 19:15 event8
    crw-rw----+ 1 root root 13, 73 2010-12-13 19:15 event9
    crw-r-----  1 root root 13, 63 2010-12-13 19:15 mice
    crw-r-----  1 root root 13, 32 2010-12-13 19:15 mouse0
    crw-r-----  1 root root 13, 33 2010-12-13 19:15 mouse1
    crw-r-----  1 root root 13, 34 2010-12-13 19:15 mouse2
    crw-r-----  1 root root 13, 35 2010-12-13 19:15 mouse3

  5. #1325
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    Re: HOW TO: Set up the HP TX2z and Dell XT & XT2 (N-trig digitizer) in Ubuntu

    Thanks. Those look right, including the dell-wmi.

  6. #1326
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    Re: HOW TO: Set up the HP TX2z and Dell XT & XT2 (N-trig digitizer) in Ubuntu

    Just for the record, I get the exact same results for ls -l /dev/input (same permissions) and for evtest /dev/input/dell-wmi.

    @ayuthia ./xrotate.py works beautifully, even correctly rotating the touch interface.

    Oh and, yes, the screen was being rotated both ways when running sudo xxd -g1 /dev/input/dell-wmi . No idea why it doesn't show anything. I also tried sudo cat /dev/input/dell-wmi.
    Facebook, Apple, Google, corrupt governments, the ISP's and Telco's
    can be beaten at their own game by free and open source software.
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  7. #1327
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    Re: HOW TO: Set up the HP TX2z and Dell XT & XT2 (N-trig digitizer) in Ubuntu

    No output from perl dell_wmi_mon.pl here, either (when rotating screen).
    Facebook, Apple, Google, corrupt governments, the ISP's and Telco's
    can be beaten at their own game by free and open source software.
    Here's how. (Extra credit)

  8. #1328
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    Re: HOW TO: Set up the HP TX2z and Dell XT & XT2 (N-trig digitizer) in Ubuntu

    Quote Originally Posted by Ubuntiac View Post
    No output from perl dell_wmi_mon.pl here, either (when rotating screen).
    I'm about 50 pages out of date on this thread, looked back a bit and can't figure out if you folks are talking about the XT or XT2 at this point.

    If it is the XT2, I wouldn't trust the dell-wmi driver source provided by Mr. Rubin. My own investigation of it with my own XT2 showed that the 'opcodes' (sorry, idk the right term off the top of my head) don't match up correctly, and I had to modify the driver source accordingly. It is posted elsewhere in this thread. (http://ubuntuforums.org/showthread.p...95#post9780095)

    I'm reading the thread now from that point, so apologies if this is a non-sequitur, just wanted to throw that out there, since at the time I posted that, interest was mostly in the HP laptops and the XT.

  9. #1329
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    Re: HOW TO: Set up the HP TX2z and Dell XT & XT2 (N-trig digitizer) in Ubuntu

    Thanks Ubuntiac. It's very helpful you have confirmed the "anomolies". Now to explain them...


    Hi enneract,

    Hmmm.

    We're trying to read the Dell WMI Hotkeys.

  10. #1330
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    Re: HOW TO: Set up the HP TX2z and Dell XT & XT2 (N-trig digitizer) in Ubuntu

    Quote Originally Posted by Favux View Post
    Thanks Ubuntiac. It's very helpful you have confirmed the "anomolies". Now to explain them...


    Hi enneract,

    Hmmm.

    We're trying to read the Dell WMI Hotkeys.
    Yea, the WMI codes in dell-wmi.c provided by Mr. Rubin just don't work with my XT2. He reports the codes in the source posted on his website working with his friend's XT2...

    It makes me wonder if it is either BIOS-related, or actual different hardware revisions.

    I remember using dmesg to track the correct codes, as the dell-wmi driver will throw an error on an unknown code (line 197, "dell-wmi: Unknown key %x pressed").

    I'll test out your app later, see if it works with my hotkey driver.
    Last edited by enneract; December 14th, 2010 at 01:42 AM.

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