[Bug 47941] [snb] Backlight control broken between 3.6.0-rc1 and 3.6.0-rc4

[bugzilla-daemon at bugzilla.kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=47941

--- Comment #114 from VK <v-kernel at kutty.cc> ---
Just checking where this is in terms of upstream adoption?

The workaround helps me with a custom kernel I've patched (see comment #109),
but I would love to see this upstream. I'm consuming Fedora 19 kernels.

I also have one request: until a permanent solution is found, can the default
for whatever is submitted upstream be i915.disable_pch_pwm=0 or something
similar? (FYI, I've also tried explicitly setting the default of -1 and it
doesn't work)

Why? Without a setting of 0, the consequence is an unusable screen for a subset
of users such as myself, whereas for those who are merely inconvenienced by not
being able to use brightness keys, it seems reasonable to have to add a kernel
arg to get it working.

At the moment, I'm only able to my laptop because I have an existing install
and older kernels lying around. If I had to do a fresh install with a new
upstream kernel, I'd be in trouble.

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