On Thursday 02 March 2017 15:30:23 Hans de Goede wrote: > HI, > > On 02-03-17 15:22, Pali Rohár wrote: > >On Thursday 02 March 2017 15:12:52 Hans de Goede wrote: > >>Hi, > >> > >>On 02-03-17 00:10, Andy Shevchenko wrote: > >>>On Thu, Feb 9, 2017 at 5:44 PM, Hans de Goede <hdegoede@xxxxxxxxxx> wrote: > >>> > >>>>Here is v8 of the platform drivers changes matching / using the new > >>>>v8 LED subsys led_classdev_notify_brightness_hw_changed() functionality > >>>>queued in -next. > >>>> > >>>>There have been some changes (and preparation patches added) compared > >>>>to the previous versions since the new LED api requires the driver to > >>>>only call led_classdev_notify_brightness_hw_changed() on hotkey triggered > >>>>changes and the ACPI events indicating brightness changes also get > >>>>triggered when setting the brightness to led_set_brightness (or sysfs). > >>>> > >>>>This series depends on the patch adding > >>>>led_classdev_notify_brightness_hw_changed() to the LED subsystem, > >>>>Jacek can you create a stable branch with just that patch which the > >>>>platform/x86 platform maintainers can merge, so that they can apply > >>>>this series ? > >>> > >>>I briefly read the discussion and looks like I'll wait for v9 after > >>>merge window is closed. > >> > >>Ok. > >> > >>Note the 3 acpi-thinkpad patches have been in > >>linux-platform-drivers-x86.git/testing for a while now and there has been > >>no discussion surrounding those. Do you want me to send a v9 of those too, > >>or just the Dell driver patches ? > > > >If we all agree on change for Dell driver to just drop one event, maybe > >we can discuss if similar approach should be used also for Thinkpad > >driver... > > As mentioned during the review of the thinkpad patches already, there is no > guarantee that all generation thinkpads actually generate events when setting > the brightness through calling into the BIOS, so doing this may cause actual > hotkey events to get swallowed. So lets just keep this as is. Ok, in this case, there is no option and thinkpad patches can go... > Note I still need to test that a similar problem does not exist for the Dell > case. If you have access to more Dell machines which looks like could be problematic then please check this. > Regards, > > Hans -- Pali Rohár pali.rohar@xxxxxxxxx