[ltp] T420 /proc/acpi/ibm/video not working
Henrique de Moraes Holschuh
Sun, 8 Feb 2015 19:41:21 -0200
On Sat, 07 Feb 2015, David Woodfall wrote:
> When I cat /proc/acpi/ibm/video it shows every monitor disabled, even when
> int and ext are on.
> Echoing anything there has no effect at all. It all worked fine in my
> T42. What I would like to do is just use the video_switch command.
Lenovo abandoned these interfaces a long time ago.
> Is this a known problem, and is there a workaround?
None. You have to use something else to video switch :-(
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