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SubjectRe: [PATCH] backlight: do not power off backlight when unregistering

> The following in-tree (latest linux-2.6 git tree) drivers are desktop/laptop
> devices and likely do not want the "dim and power off backlight on
> backlight_device_unregister" behavior:
>
> drivers/video/aty/*
> drivers/video/riva/fbdev.c
> drivers/video/nvidia/nv_backlight.c
> drivers/misc/msi-laptop.c

...

> I have CC'ed the relevant people (please forgive me any ommissions) for the
> drivers listed above, so they can chime in if their driver should retain the
> "dim and power off backlight on backlight_device_unregister" behaviour.

Hm. In the case of some drivers the hardware state on x86 is set back to
text mode in some cases. So do we in that case dim the backlight?

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