On 07/11/2015 at 09:04 AM, Hans wrote: > Dear list, > > I accidently had to reinstall laptop-mode-tools. I had to purge and > reinstall the package. > > After this, I noticed, that my usb-mouse (cable), turns off after 3s > of inactivity. This behaviour was already deccribed here in older > forums: > > http://askubuntu.com/questions/130915/optical-mouse-temporarily-turns-off-when-system-is-idle > > and more special here > > https://fitzcarraldoblog.wordpress.com/2013/02/26/how-to-prevent-a-usb-mouse-auto-suspending-in-linux-when-a-laptops-power-supply-is-disconnected/ > > However, I could not find a configuration file in laptop-mode-tools > to prevent this behaviour. > > This happens only, when I am on battery, or when I am connected to > power supply, but got no battery inserted.
Sounds like usb-autosuspend, at a glance. I noticed that the commented line listing usb-autosuspend as a valid option for one of the settings in /etc/laptop-mode/laptop-mode.conf disappeared with the most recent update to that package, but I didn't notice anything in the changelogs that would seem to explain that. (I'm not on that laptop now, so I can't check easily.) I really hope the option to disable USB auto-suspending hasn't disappeared; last I checked, allowing USB autosuspend would deactivate my mouse in exactly this way. -- The Wanderer The reasonable man adapts himself to the world; the unreasonable one persists in trying to adapt the world to himself. Therefore all progress depends on the unreasonable man. -- George Bernard Shaw
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