[Bug 73252] [Baytrail-M] brightness can't be adjusted: no ASLE interrupt code

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=73252

--- Comment #28 from EvaWang <evawang at linpus.com> ---
when run the command: echo 'module backlight +fpc' > control
It shows: bash: echo: write error: Invalid argument

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