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How to let gpio-keys work in ubuntu 16.04?



The 2019 Stack Overflow Developer Survey Results Are In
Announcing the arrival of Valued Associate #679: Cesar Manara
Planned maintenance scheduled April 17/18, 2019 at 00:00UTC (8:00pm US/Eastern)How to swap between FN and Ctrl keys?Function Keys don't workMake My Function Keys Work Again?Media Keys and Multitouch not working with Tk820ubuntu 16.04 Elantech TouchpadXubuntu 16.04 Xenial: How can I enable touchpad?How to disable function keysUbuntu GNOME 16.04: Shortcuts and function keys stop working after a while - why is that?Function Keys dont work in OpenboxFunction Keys Do Not work (Brightness & Sound) Ubuntu 16.04



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0















I'm using Freescale i.MX6 DL sabresd as my platform and ubuntu 16.04 as my OS system.



I set the gpio-keys in the driver and respectively set to menu, power, volume up and volume down.



But it did not work when I push the button.



I cat /proc/bus/input/devices and I get below content.



I: Bus=0019 Vendor=0001 Product=0001 Version=0100
N: Name="mykeys"
P: Phys=gpio-keys/input0
S: Sysfs=/devices/soc0/gpio-keys/input/input3
U: Uniq=
H: Handlers=kbd event3
B: PROP=0
B: EV=3
B: KEY=800 1c0040 0 0 0


After getting this information, I tried to cat /dev/input/event3 and push the button.



Oddly, it would print some data out. So I assume that the button is work.



But why the system did not run the function that button related?



Did I miss anything?










share|improve this question




























    0















    I'm using Freescale i.MX6 DL sabresd as my platform and ubuntu 16.04 as my OS system.



    I set the gpio-keys in the driver and respectively set to menu, power, volume up and volume down.



    But it did not work when I push the button.



    I cat /proc/bus/input/devices and I get below content.



    I: Bus=0019 Vendor=0001 Product=0001 Version=0100
    N: Name="mykeys"
    P: Phys=gpio-keys/input0
    S: Sysfs=/devices/soc0/gpio-keys/input/input3
    U: Uniq=
    H: Handlers=kbd event3
    B: PROP=0
    B: EV=3
    B: KEY=800 1c0040 0 0 0


    After getting this information, I tried to cat /dev/input/event3 and push the button.



    Oddly, it would print some data out. So I assume that the button is work.



    But why the system did not run the function that button related?



    Did I miss anything?










    share|improve this question
























      0












      0








      0








      I'm using Freescale i.MX6 DL sabresd as my platform and ubuntu 16.04 as my OS system.



      I set the gpio-keys in the driver and respectively set to menu, power, volume up and volume down.



      But it did not work when I push the button.



      I cat /proc/bus/input/devices and I get below content.



      I: Bus=0019 Vendor=0001 Product=0001 Version=0100
      N: Name="mykeys"
      P: Phys=gpio-keys/input0
      S: Sysfs=/devices/soc0/gpio-keys/input/input3
      U: Uniq=
      H: Handlers=kbd event3
      B: PROP=0
      B: EV=3
      B: KEY=800 1c0040 0 0 0


      After getting this information, I tried to cat /dev/input/event3 and push the button.



      Oddly, it would print some data out. So I assume that the button is work.



      But why the system did not run the function that button related?



      Did I miss anything?










      share|improve this question














      I'm using Freescale i.MX6 DL sabresd as my platform and ubuntu 16.04 as my OS system.



      I set the gpio-keys in the driver and respectively set to menu, power, volume up and volume down.



      But it did not work when I push the button.



      I cat /proc/bus/input/devices and I get below content.



      I: Bus=0019 Vendor=0001 Product=0001 Version=0100
      N: Name="mykeys"
      P: Phys=gpio-keys/input0
      S: Sysfs=/devices/soc0/gpio-keys/input/input3
      U: Uniq=
      H: Handlers=kbd event3
      B: PROP=0
      B: EV=3
      B: KEY=800 1c0040 0 0 0


      After getting this information, I tried to cat /dev/input/event3 and push the button.



      Oddly, it would print some data out. So I assume that the button is work.



      But why the system did not run the function that button related?



      Did I miss anything?







      16.04 keyboard function-keys






      share|improve this question













      share|improve this question











      share|improve this question




      share|improve this question










      asked 2 days ago









      victorvictor

      32




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