> > Please move it into the kernel where it belongs, and use lcd
> > brightness subsystem like everyone else.
>
> We've been through this before.
> http://marc.theaimsgroup.com/?l=linux-kernel&m=114067198323596&w=2
>
> In addition, the SMI call used to change the backlight level *may*
> require (if configured by the sysadmin in BIOS), a password be
> entered.
>
> This begs for a common userspace app that can grok libsmbios and
> kernel interfaces both, and use the appropriate method on each, rather
> than just putting it all in the kernel
>From my understanding, a cute userspace App shouldn't have this kind
of logic:
if (is DELL )
invoke libsmbios
if (is foo)
invoke libfoo,
if (is bar)
invoke libbar,
....
else
operate on /sys/class/backlight/ ,.,..
It should be:
just write/read file in /sys/class/backlight ,....
Right?
Thanks,
Luming
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