Brightness key not working
The brightness key (fn + arrow(left or right)) on my acer laptop ASPIRE v15 are not working.
I can control the brightness by changing the value of brightness by editing the file:
/sys/class/backlight/intel_backlight/brightness
I want to connect the (fn + arrow) key to a script which edits the value in the
above file. But acpi_listen does not detect the pressing of (fn + arrow(left or right)) key. Though, it is able to detect (fn + arrow(up or down)) keys for volume control.
How to get these keys detected for brightness control by the acpi?
Edit1: I am using Ubuntu 16.04 LTS
Edit2: Binding another keys(other than the (fn + L/r) and calling the script as non-acpi event forces me to run the script by placing it inside /etc/sudoers.d/ directory in order to avoid prompting for password at each press of the key. (as changing the value of brightness requries root permission).
keyboard shortcut-keys laptop brightness backlight
asked Feb 3 at 13:17
user2734113user2734113
11
add a comment |
The brightness key (fn + arrow(left or right)) on my acer laptop ASPIRE v15 are not working.
I can control the brightness by changing the value of brightness by editing the file:
/sys/class/backlight/intel_backlight/brightness
I want to connect the (fn + arrow) key to a script which edits the value in the
above file. But acpi_listen does not detect the pressing of (fn + arrow(left or right)) key. Though, it is able to detect (fn + arrow(up or down)) keys for volume control.
How to get these keys detected for brightness control by the acpi?
Edit1: I am using Ubuntu 16.04 LTS
Edit2: Binding another keys(other than the (fn + L/r) and calling the script as non-acpi event forces me to run the script by placing it inside /etc/sudoers.d/ directory in order to avoid prompting for password at each press of the key. (as changing the value of brightness requries root permission).
keyboard shortcut-keys laptop brightness backlight
asked Feb 3 at 13:17
user2734113user2734113
11
1
Welcome to Ask Ubuntu. You haven't told us your release of Ubuntu, or your desktop (which may be the default, but without release we cannot know).
– guiverc
Feb 3 at 13:20
I am using Ubuntu 16.04 LTS .
– user2734113
Feb 3 at 13:59
add a comment |
The brightness key (fn + arrow(left or right)) on my acer laptop ASPIRE v15 are not working.
I can control the brightness by changing the value of brightness by editing the file:
/sys/class/backlight/intel_backlight/brightness
I want to connect the (fn + arrow) key to a script which edits the value in the
above file. But acpi_listen does not detect the pressing of (fn + arrow(left or right)) key. Though, it is able to detect (fn + arrow(up or down)) keys for volume control.
How to get these keys detected for brightness control by the acpi?
Edit1: I am using Ubuntu 16.04 LTS
Edit2: Binding another keys(other than the (fn + L/r) and calling the script as non-acpi event forces me to run the script by placing it inside /etc/sudoers.d/ directory in order to avoid prompting for password at each press of the key. (as changing the value of brightness requries root permission).
keyboard shortcut-keys laptop brightness backlight
asked Feb 3 at 13:17
user2734113user2734113
11
The brightness key (fn + arrow(left or right)) on my acer laptop ASPIRE v15 are not working.
I can control the brightness by changing the value of brightness by editing the file:
/sys/class/backlight/intel_backlight/brightness
I want to connect the (fn + arrow) key to a script which edits the value in the
above file. But acpi_listen does not detect the pressing of (fn + arrow(left or right)) key. Though, it is able to detect (fn + arrow(up or down)) keys for volume control.
How to get these keys detected for brightness control by the acpi?
Edit1: I am using Ubuntu 16.04 LTS
Edit2: Binding another keys(other than the (fn + L/r) and calling the script as non-acpi event forces me to run the script by placing it inside /etc/sudoers.d/ directory in order to avoid prompting for password at each press of the key. (as changing the value of brightness requries root permission).
keyboard shortcut-keys laptop brightness backlight
keyboard shortcut-keys laptop brightness backlight
asked Feb 3 at 13:17
user2734113user2734113
11
asked Feb 3 at 13:17
user2734113user2734113
11
edited Feb 3 at 18:35
user2734113
asked Feb 3 at 13:17
user2734113user2734113
11
asked Feb 3 at 13:17
user2734113user2734113
11
asked Feb 3 at 13:17
user2734113user2734113
11
11
1
Welcome to Ask Ubuntu. You haven't told us your release of Ubuntu, or your desktop (which may be the default, but without release we cannot know).
– guiverc
Feb 3 at 13:20
I am using Ubuntu 16.04 LTS .
– user2734113
Feb 3 at 13:59
add a comment |
1
Welcome to Ask Ubuntu. You haven't told us your release of Ubuntu, or your desktop (which may be the default, but without release we cannot know).
– guiverc
Feb 3 at 13:20
I am using Ubuntu 16.04 LTS .
– user2734113
Feb 3 at 13:59
1
1
Welcome to Ask Ubuntu. You haven't told us your release of Ubuntu, or your desktop (which may be the default, but without release we cannot know).
– guiverc
Feb 3 at 13:20
Welcome to Ask Ubuntu. You haven't told us your release of Ubuntu, or your desktop (which may be the default, but without release we cannot know).
– guiverc
Feb 3 at 13:20
I am using Ubuntu 16.04 LTS .
– user2734113
Feb 3 at 13:59
I am using Ubuntu 16.04 LTS .
– user2734113
Feb 3 at 13:59
add a comment |
1 Answer
1
active
oldest
votes
In settings > Devices > Keyboards look for the hotkeys for controlling brightness. If your built in keys don't work, you can manually bind over them (Select the adjust brightness shortcut and press Fn + L/R)
answered Feb 3 at 15:05
MintyMinty
89329
I am unable to bind fn + l/r key through this method.
– user2734113
Feb 3 at 18:25
It seems that acer doesnot support fully featured acpi for GNU/Linux. I am just going with running the script and linking to other keyboard short cuts.
– user2734113
Feb 19 at 2:27
add a comment |
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1 Answer
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1 Answer
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active
oldest
votes
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votes
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votes
In settings > Devices > Keyboards look for the hotkeys for controlling brightness. If your built in keys don't work, you can manually bind over them (Select the adjust brightness shortcut and press Fn + L/R)
answered Feb 3 at 15:05
MintyMinty
89329
I am unable to bind fn + l/r key through this method.
– user2734113
Feb 3 at 18:25
It seems that acer doesnot support fully featured acpi for GNU/Linux. I am just going with running the script and linking to other keyboard short cuts.
– user2734113
Feb 19 at 2:27
add a comment |
In settings > Devices > Keyboards look for the hotkeys for controlling brightness. If your built in keys don't work, you can manually bind over them (Select the adjust brightness shortcut and press Fn + L/R)
answered Feb 3 at 15:05
MintyMinty
89329
I am unable to bind fn + l/r key through this method.
– user2734113
Feb 3 at 18:25
It seems that acer doesnot support fully featured acpi for GNU/Linux. I am just going with running the script and linking to other keyboard short cuts.
– user2734113
Feb 19 at 2:27
add a comment |
In settings > Devices > Keyboards look for the hotkeys for controlling brightness. If your built in keys don't work, you can manually bind over them (Select the adjust brightness shortcut and press Fn + L/R)
answered Feb 3 at 15:05
MintyMinty
89329
In settings > Devices > Keyboards look for the hotkeys for controlling brightness. If your built in keys don't work, you can manually bind over them (Select the adjust brightness shortcut and press Fn + L/R)
answered Feb 3 at 15:05
MintyMinty
89329
answered Feb 3 at 15:05
MintyMinty
89329
answered Feb 3 at 15:05
MintyMinty
89329
answered Feb 3 at 15:05
MintyMinty
89329
89329
I am unable to bind fn + l/r key through this method.
– user2734113
Feb 3 at 18:25
It seems that acer doesnot support fully featured acpi for GNU/Linux. I am just going with running the script and linking to other keyboard short cuts.
– user2734113
Feb 19 at 2:27
add a comment |
I am unable to bind fn + l/r key through this method.
– user2734113
Feb 3 at 18:25
It seems that acer doesnot support fully featured acpi for GNU/Linux. I am just going with running the script and linking to other keyboard short cuts.
– user2734113
Feb 19 at 2:27
I am unable to bind fn + l/r key through this method.
– user2734113
Feb 3 at 18:25
I am unable to bind fn + l/r key through this method.
– user2734113
Feb 3 at 18:25
It seems that acer doesnot support fully featured acpi for GNU/Linux. I am just going with running the script and linking to other keyboard short cuts.
– user2734113
Feb 19 at 2:27
It seems that acer doesnot support fully featured acpi for GNU/Linux. I am just going with running the script and linking to other keyboard short cuts.
– user2734113
Feb 19 at 2:27
add a comment |
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1
Welcome to Ask Ubuntu. You haven't told us your release of Ubuntu, or your desktop (which may be the default, but without release we cannot know).
– guiverc
Feb 3 at 13:20
I am using Ubuntu 16.04 LTS .
– user2734113
Feb 3 at 13:59