Re: [PATCH] ACPI; update docs for "acpi_backlight" kernel parameter options

From: Rafael J. Wysocki
Date: Wed Apr 01 2020 - 05:18:00 EST


On Tue, Mar 31, 2020 at 10:16 AM Hans de Goede <hdegoede@xxxxxxxxxx> wrote:
>
> Hi,
>
> On 3/31/20 2:17 AM, Randy Dunlap wrote:
> > From: Randy Dunlap <rdunlap@xxxxxxxxxxxxx>
> >
> > Update the Documentation for "acpi_backlight" by adding
> > 2 new options (native and none).
> >
> > Signed-off-by: Randy Dunlap <rdunlap@xxxxxxxxxxxxx>
> > Cc: linux-acpi@xxxxxxxxxxxxxxx
> > Cc: Zhang Rui <rui.zhang@xxxxxxxxx>
> > Cc: Hans de Goede <hdegoede@xxxxxxxxxx>
> > Cc: "Rafael J. Wysocki" <rjw@xxxxxxxxxxxxx>
> > Cc: Len Brown <lenb@xxxxxxxxxx>
>
> Thanks!
>
> Patch looks good to me:
>
> Reviewed-by: Hans de Goede <hdegoede@xxxxxxxxxx>
>
> Regards,
>
> Hans
>
>
>
>
> > ---
> > Documentation/admin-guide/kernel-parameters.txt | 8 +++++---
> > 1 file changed, 5 insertions(+), 3 deletions(-)
> >
> > --- linux-next-20200330.orig/Documentation/admin-guide/kernel-parameters.txt
> > +++ linux-next-20200330/Documentation/admin-guide/kernel-parameters.txt
> > @@ -22,11 +22,13 @@
> > default: 0
> >
> > acpi_backlight= [HW,ACPI]
> > - acpi_backlight=vendor
> > - acpi_backlight=video
> > - If set to vendor, prefer vendor specific driver
> > + { vendor | video | native | none }
> > + If set to vendor, prefer vendor-specific driver
> > (e.g. thinkpad_acpi, sony_acpi, etc.) instead
> > of the ACPI video.ko driver.
> > + If set to video, use the ACPI video.ko driver.
> > + If set to native, use the device's native backlight mode.
> > + If set to none, disable the ACPI backlight interface.
> >
> > acpi_force_32bit_fadt_addr
> > force FADT to use 32 bit addresses rather than the
> >

Applied as 5.7-rc material with a slightly modified subject, thanks!