[PATCH resend 2/4] backlight: Add backlight device (un)registration notification

[Rafael J. Wysocki]

On Monday, May 26, 2014 12:03:43 PM Jingoo Han wrote:
> On Thursday, May 22, 2014 6:02 PM, Lee Jones wrote:
> > On Thursday, May 22, 2014 5:45 PM, Hans de Goede wrote:
> > > On Thursday, May 22, 2014 8:31 AM, Rafael J. Wysocki wrote:
> > > > On Wednesday, May 21, 2014 10:40 PM, Hans de Goede wrote:
> > > >> Some firmware drivers, ie acpi-video want to get themselves out of the
> > > >> way (in some cases) when their also is a raw backlight device available.
> > > >>
> > > >> Due to module loading ordering being unknown, acpi-video cannot be certain
> > > >> that the backlight_device_registered(BACKLIGHT_RAW) it does for this is
> > > >> the final verdict wrt there being a BACKLIGHT_RAW device.
> > > >>
> > > >> By adding notification acpi-video can listen for backlight devices showing
> > > >> up after it has loaded, and unregister its backlight device if desired.
> > > >>
> > > >> Signed-off-by: Hans de Goede <hdegoede at redhat.com>
> > > >
> > > > Backlight maintainer's ACK is requisite here.
> > >
> > > Agreed, which is why I send this set to all 3 the backlight maintainers
> > > directly on both postings.
> > >
> > > What may be helpful for them is to hear from you if you're ok with the
> > > acpi-video bits which are actually going to use this, since those will
> > > be the only user of the new backlight api (for now).
> > 
> > I'm happy to apply any Backlight patches which have either Bryan or
> > Jingoo's Ack, as they are the reviewers for the BL subsystem.
> 
> Acked-by: Jingoo Han <jg1.han at samsung.com>
> 
> Lee Jones,
> Would you merge this patch into your backlight git tree?

Hans, does this series depend on things that I've applied already?  If so,
I'd very much prefer to take this series too as a whole.

Rafael