2017-09-14 15:54 GMT+02:00 Pali Rohár <pali.rohar@xxxxxxxxx>: > Adding Gabriele to thread, IIRC you have machine which uses > "supported keyboard light brightness levels" > Can you look at this bug, if your machine is affected by it too? My keyboard has two brightness levels + off. The value of max_brightness is 2, as expected. Gabriele Yes, my laptop uses "supported keyboard light brightness levels". > > Important parts in ouptput: > >> ... --info >> Supported Keyboard light brightness levels : 10 > >> ... --get-status >> Current keyboard light level : 9 > > Gabriel, can you play with this tool, which values can be set via > --set-level= parameter? Is 10 accepted? --get-status can be used to > check if value was accepted. > > On Thursday 14 September 2017 06:35:15 Gabriel M. Elder wrote: >> >> output from smbios-keyboard-ctl --info: >> >> Libsmbios version : 2.3.0 >> smbios-keyboard-ctl version : 2.3.0 >> >> Capabilities of KeyBoard Illumination on your system: >> ------------------------------------------------------------------- >> Supported USER Selectable Modes : >> Always OFF >> Auto: ALS- and input-activity-based On; input-activity based Off >> Auto: Input-activity-based On; input-activity based Off >> >> Supported Keyboard illumination type : Backlight >> >> Supports Keyboard illumination on : >> Any Keystroke >> Touchpad activity >> Pointing stick >> >> Can configure Keyboard illumination timeout unit in : >> Seconds >> Minutes >> Hours >> >> Supported Keyboard light brightness levels : 10 >> >> Maximum acceptable seconds timeout value : 255 >> >> Maximum acceptable minutes timeout value : 255 >> >> Maximum acceptable hours timeout value : 12 >> >> Maximum acceptable days timeout value : 0 >> >> >> output from smbios-keyboard-ctl --get-status: >> >> Helper function to print current status of keyboard illumination >> >> Current status of KeyBoard Illumination setting on your system: >> ------------------------------------------------------------------- >> >> Configured mode state: >> Auto: Input-activity-based On; input-activity based Off >> >> Your Keyboard will illumination on: >> Any Keystroke >> Touchpad activity >> Pointing stick >> >> Keyboard illumination timeout has bee set at: 10 Seconds >> >> Current setting of ALS value that turns the light on or off: 18 >> Current ALS Reading : 16 >> Current keyboard light level : 9 >> >> >> -------- Original Message -------- >> Subject: Re: keyboard backlight max_brightness bug on Dell Latitude >> E6410 >> From: Pali Rohár <pali.rohar@xxxxxxxxx> >> Date: Thu, September 14, 2017 3:06 am >> To: "Gabriel M. Elder" <gabriel@xxxxxxxxxxxxxx> >> Cc: dvhart@xxxxxxxxxxxxx, andy@xxxxxxxxxxxxx, >> platform-driver-x86@xxxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx >> >> On Monday 11 September 2017 23:25:27 Gabriel M. Elder wrote: >> > Hi all, >> > Hans de Goede, one of the upower maintainers, suggested I alert you all to this bug: >> > >> > https://bugs.freedesktop.org/show_bug.cgi?id=100041 >> > >> > and the new one I filed via the kernel bugzilla: >> > >> > https://bugzilla.kernel.org/show_bug.cgi?id=196913 >> > "keyboard backlight max_brightness value outside allowable range on Dell Latitude E6410 laptop" >> > >> > Please check it out at your earliest convenience. >> > >> > thanks, >> > - Gabriel</html> >> >> Hi Gabriel, please avoid sending such html emails to mailing list as it >> is hard to read them and also you have a very big chance that email >> would be eaten by spam filter or other developers would completely >> ignore it... >> >> To debug your problem, can you run smbios-keyboard-ctl tool from the >> libsmbios project? https://github.com/dell/libsmbios >> >> We would need output from --info parameter and also from --get-status. >> > > -- > Pali Rohár > pali.rohar@xxxxxxxxx
