New sysfs interface for privacy screens

Pavel Machek pavel at denx.de
Sun Oct 6 11:00:45 UTC 2019


On Wed 2019-10-02 09:46:50, Jonathan Corbet wrote:
> On Tue, 1 Oct 2019 10:09:46 -0600
> Mat King <mathewk at google.com> wrote:
> 
> > I have been looking into adding Linux support for electronic privacy
> > screens which is a feature on some new laptops which is built into the
> > display and allows users to turn it on instead of needing to use a
> > physical privacy filter. In discussions with my colleagues the idea of
> > using either /sys/class/backlight or /sys/class/leds but this new
> > feature does not seem to quite fit into either of those classes.
> 
> FWIW, it seems that you're not alone in this; 5.4 got some support for
> such screens if I understand things correctly:
> 
>   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=110ea1d833ad

Hmm. We may want to revert that one because it does more damage :-(.
									Pavel
-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
-------------- next part --------------
A non-text attachment was scrubbed...
Name: signature.asc
Type: application/pgp-signature
Size: 181 bytes
Desc: Digital signature
URL: <https://lists.freedesktop.org/archives/dri-devel/attachments/20191006/c71d50f0/attachment-0001.sig>


More information about the dri-devel mailing list