linux-kernel - Re: [PATCH v2 2/2] leds: lp50xx: Add the LP50XX family of the RGB LED driver

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite for Android: free password hash cracker in your pocket

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:   Wed, 16 Jan 2019 23:04:01 +0100
From:   Pavel Machek <pavel@....cz>
To:     Dan Murphy <dmurphy@...com>
Cc:     Jacek Anaszewski <jacek.anaszewski@...il.com>,
        linux-leds@...r.kernel.org, linux-kernel@...r.kernel.org,
        devicetree@...r.kernel.org, dachaac@...il.com, robh+dt@...nel.org
Subject: Re: [PATCH v2 2/2] leds: lp50xx: Add the LP50XX family of the RGB
 LED driver

Hi!

..snip. Let me read it and reply when I have a time.

> > You know what? First, submit driver with similar functionality to
> > existing RGB drivers, using same interface existing drivers are
> > using. When that is accepted, we can talk about extending
> > kernel<->user interfaces.
> > 
> 
> I could do that but then there is no way for users to have any other color but "white" with this driver.
> That defeats the purpose of the device itself.

No, that is not what I meant.

We do have RGB drivers in tree, they just present three separate LEDs
-- red, green and blue. I ask you to do the same for initial
submission.

You'll still be able to set brightness independently on the
red/green/blue LEDs...

> I am not sure if you are aware of this or care but I found this recent blog on this effort:
> https://www.phoronix.com/scan.php?page=news_item&px=Linux-RGB-LED-Interface
> See some of the comments.

I went through the comments quickly, but see nothing really
interesting.

Best regards,

									Pavel
-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html

Download attachment "signature.asc" of type "application/pgp-signature" (182 bytes)