[Bug 90075] [BYT LPSS backlight] Acer Aspire Switch 10 backlight control

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=90075

--- Comment #5 from darlor at seznam.cz ---
Created attachment 122348
  --> https://bugs.freedesktop.org/attachment.cgi?id=122348&action=edit
dmesg after applying drm/i915: Retry few time... patch

Nothing visible changed. Ill recompile kernel with additional sound patches for
later today - dmesg will be much less bloated with unrelated messages. All
pwm/lpss patches were applied without problem (no manual patching needed with
v4.5.0 source code). Full dmesg in attachment.

cat dmesg_4.5_vanilla+lpss+retrypatch | grep -i backlight
[    3.832961] [drm:pwm_setup_backlight [i915]] *ERROR* Failed to own the pwm
chip: pwm_lpss

Thanks

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