On Thu, Oct 03, 2019 at 11:19:13AM +0300, Jani Nikula wrote: > On Wed, 02 Oct 2019, Jonathan Corbet <corbet@xxxxxxx> wrote: > > On Tue, 1 Oct 2019 10:09:46 -0600 > > Mat King <mathewk@xxxxxxxxxx> 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 > > Oh, I didn't realize it got merged already, I thought this was > related... > > So we've already replicated the backlight sysfs interface problem for > privacy screens. :( I guess... although the Thinkpad code hasn't added any standard interfaces (no other laptop should be placing controls for a privacy screen in /proc/acpi/ibm/... ). Maybe its not too late. Daniel. _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/dri-devel
