[Intel-gfx] [PATCH v3 2/2] drivers: i915: Default max backlight brightness value

[Simon Que]

On Tue, Nov 8, 2011 at 2:28 PM, Matthew Garrett <mjg59 at srcf.ucam.org> wrote:

> On Tue, Nov 08, 2011 at 02:27:04PM -0800, Simon Que wrote:
>
> > This is for an x86-based Chromebook.  Its firmware doesn't have the VBIOS
> > support.  Previously, we had our own backlight driver that also did a
> > similar initialization.  Now, we are trying to move away from that and
> use
> > the upstream driver instead.  However, we still don't have the firmware
> > support, which is why we have this patch to provide the missing
> information.
>
> I'm still not clear on this. There is no video support in the firmware
> at all? What happens if the kernel fails to boot
> ?
>

There is a backup kernel partition that can be used for boot.

Failing that, the system can boot from a recovery image over USB.
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