[Bug 96571] [CHV] Backlight init fails on Surface 3 if module load order is wrong

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=96571

--- Comment #13 from viric at viric.name ---
I already tested that in April and reported about it. Is there anything new
that I should test?

http://www.spinics.net/lists/intel-gfx/msg91730.html

The PWM devices are present and drivers loaded, as shown in:

http://www.spinics.net/lists/intel-gfx/msg92110.html

but they are not detected by i915. None of them is named "pwm-backlight", so I
guess that I miss something that would map the existing PWM to the name
"pwm-backligth", maybe like this line does for crystalcove:

http://lxr.free-electrons.com/source/drivers/mfd/intel_soc_pmic_core.c#L43

Is there anything that can map LPSS pwm to "pwm-backlight"? That's the piece I
could not find anywhere.

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