Re: [PATCH v2] arm: sun4i: Add support for Pengpod 1000 tablet
From: Maxime Ripard
Date: Tue Jun 05 2018 - 10:50:44 EST
On Mon, Jun 04, 2018 at 06:33:02PM +0100, Bob Ham wrote:
> On 04/06/18 09:13, Maxime Ripard wrote:
> > On Sat, Jun 02, 2018 at 05:03:13PM +0100, Bob Ham wrote:
>
> >> + * This file is dual-licensed: you can use it either under the terms
> >> + * of the GPL or the X11 license, at your option. Note that this dual
> >> + * licensing only applies to this file, and not this project as a
> >> + * whole.
>
> >> + * The above copyright notice and this permission notice shall be
> >> + * included in all copies or substantial portions of the Software.
>
> > And this is redundant with the SPDX header.
>
> The X11 license notice states explicitly that the notice has to be
> included in the file. Wouldn't removing it be a violation of the license?
The SPDX header is explicitly here to remove the license text and
create a tag that is in a indirect reference to the license text in
LICENSES. It's not going away.
> >> + brightness-levels = <0 10 20 30 40 50 60 70 80 90 100>;
> >
> > Each step should increase the perceived brightness by roughly 1/Nth, N
> > being the number of steps. Usually PWM backlights don't work like that.
>
> FYI, this was copied from another .dts file. All of the other
> brightness-levels settings in sun{4,5,7}i .dts files follow similar
> patterns:
>
> sun4i-a10-dserve-dsrv9703c.dts: brightness-levels = <0 10
> 20 30 40 50 60 70 80 90 100>;
> sun4i-a10-inet1.dts: brightness-levels = <0 10 20 30 40 50 60
> 70 80 90 100>;
> sun4i-a10-pov-protab2-ips9.dts: brightness-levels = <0 10
> 20 30 40 50 60 70 80 90 100>;
> sun5i-a13-empire-electronix-d709.dts: brightness-levels = <0 10
> 20 30 40 50 60 70 80 90 100>;
> sun5i-a13-utoo-p66.dts: brightness-levels = <0 30 40 50 60 70 80
> 90 100>;
> sun5i-gr8-evb.dts: brightness-levels = <0 10 20 30 40 50 60
> 70 80 90 100>;
> sun7i-a20-wexler-tab7200.dts: brightness-levels = <0 10 20 30 40
> 50 60 70 80 90 100>;
I never said we were perfect reviewers. Feel free to help in the process.
Maxime
--
Maxime Ripard, Bootlin (formerly Free Electrons)
Embedded Linux and Kernel engineering
https://bootlin.com
Attachment:
signature.asc
Description: PGP signature