Re: NetBSD 9.3 amd64 won't turn off display backlight

[RVP <rvp%SDF.ORG@localhost>]

On Thu, 29 Dec 2022, Damien Boureille wrote:

> I'm running NetBSD 9.3-amd64 GENERIC on a Dell Precision M4600 (Sandy Bridge) mobile workstation, used as a server.
>
> Closing the lid will not turn off the backlight, which conducts and builds up heat inside the case.
> [...]
> I'm using an i915 chipset:
>
> # pcictl pci0 list
> 000:00:0: Intel Sandy Bridge (mobile) Host Bridge (host bridge, revision 0x09)
> 000:02:0: Intel Sandy Bridge (mobile) GT2+ Integrated Graphics Device (VGA display, revision 0x09)
> (...)

Since you have an Intel card, you can install the `intel_backlight'
package, and call it in the `/etc/powerd/scripts/lid_switch' script.

-RVP