On Tue, Jan 9, 2018 at 10:24 PM, Matthew Thode <mthode@xxxxxxxxxx> wrote: > On 18-01-09 22:16:10, Andy Shevchenko wrote: >> On Tue, Jan 9, 2018 at 3:19 PM, David Herrmann <dh.herrmann@xxxxxxxxx> wrote: > I've been able to trigger it 'at will' on the X1C5. If I hover my hand > just below the arrow keys I'll get the first signal, after I take it > away I get the second one. There seems to be a delay in when I put (or > take away) my hand to prevent spamming the logs even more. It could be > to sense lid close, but there's already another sensors for that I > thought. The only remaining thing I can guess it that it's to detect > your hands to turn on the keyboard backlight or something. > > I don't think it's related at all to the fingerprint sensor as I hover > my hand to the right of it. Just realized that it might be an ambient sensor. Your hand makes light goes differently to the sensor -> hardware sends an event. Whatever guys, feel free to submit a patch when you will be sure what is the source of the event. It also makes sense to discuss somewhere near to thinkwiki.org I suppose. -- With Best Regards, Andy Shevchenko
