[Bug 538256] Re: Screen brightness not controllable on Lenovo Ideapad S10-3 and U350

[Daniel Glaser]

Included is a very dirty solution that really has poor performance (1-2
sec for action to take place), but in my opinion it is much better that
typing commands on the shell to adjust brightness.

Attached is a bash script to handle the event generated by the
/etc/acpi/events/ideapad-video that must be created with following
content:

#----BEGIN------------------
# /etc/acpi/events/ideapad-video
# Called when the user presses the brightness fn-keys
# 

event=video
action=/etc/acpi/ideapad-video.sh %e
#----END------------------

Should be possible to to also develop an executable with better
performance, but I still hope that ACPI will be fixed in a later version
ubuntu.

The acpi_fakekey command in fact gives no results, maybe someone knows
hot to let ubuntu resond graphically in some way as it does with volume
up/down.

Comments and improvements are welcome.

Cheers,
Daniel

** Attachment added: "/etc/acpi/ideapad-video.sh"
   http://launchpadlibrarian.net/51254721/ideapad-video.sh

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Screen brightness not controllable on Lenovo Ideapad S10-3 and U350
https://bugs.launchpad.net/bugs/538256
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