<html> <head> <base href="https://bugs.freedesktop.org/"> </head> <body> <div> <a class="bz_bug_link bz_status_NEW " title="NEW - [CHV] Backlight init fails on Surface 3 if module load order is wrong" href="https://bugs.freedesktop.org/show_bug.cgi?id=96571#c53">Comment # 53</a> on <a class="bz_bug_link bz_status_NEW " title="NEW - [CHV] Backlight init fails on Surface 3 if module load order is wrong" href="https://bugs.freedesktop.org/show_bug.cgi?id=96571">bug 96571</a> from <a class="email" href="mailto:steved424@gmail.com" title="Steve Dodd <steved424@gmail.com>"> Steve Dodd</a> <pre>Just to add to the confusion here, I am still seeing what looks like the ordering problem, even though LPSS PWM driver is built-in (this is on Asus T100HA): steved@asus:~$ journalctl -b -1 | grep -i pwm Apr 20 18:31:16 asus kernel: (null): Device [PWM1] is in always present list Apr 20 18:31:43 asus kernel: [drm:pwm_setup_backlight [i915]] *ERROR* Failed to own the pwm chip steved@asus:~$ uname -a Linux asus 4.16.3.0 #14 SMP Thu Apr 19 00:11:41 MST 2018 x86_64 x86_64 x86_64 GNU/Linux steved@asus:~$ grep LPSS /boot/config-4.16.3.0 | grep -v MFD CONFIG_X86_INTEL_LPSS=y CONFIG_SERIAL_8250_LPSS=y CONFIG_PWM_LPSS=y CONFIG_PWM_LPSS_PCI=y CONFIG_PWM_LPSS_PLATFORM=y Have I misunderstood something?</pre> </div> <hr> You are receiving this mail because: <ul> <li>You are on the CC list for the bug.</li> <li>You are the assignee for the bug.</li> <li>You are the QA Contact for the bug.</li> </ul> </body> </html>