linux-kernel - Re: [RFC] add pwmlib support

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: Windows password security audit tool. GUI, reports in PDF.

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

Message-ID: <AANLkTi=ppKZ96T3_1nYisHG9705OCHgZqkLnu2f47zq5@mail.gmail.com>
Date:	Sun, 30 Jan 2011 11:49:32 +0800
From:	arden jay <arden.jay@...il.com>
To:	Wolfram Sang <w.sang@...gutronix.de>
Cc:	Jean Delvare <khali@...ux-fr.org>,
	Sascha Hauer <s.hauer@...gutronix.de>,
	linux-kernel@...r.kernel.org, Eric Miao <eric.miao@...aro.org>,
	Ben Dooks <ben-linux@...ff.org>,
	Kukjin Kim <kgene.kim@...sung.com>,
	Lars-Peter Clausen <lars@...afoo.de>,
	Hemanth V <hemanthv@...com>,
	linux-arm-kernel@...ts.infradead.org,
	Uwe Kleine-Koenig <u.kleine-koenig@...gutronix.de>,
	Shawn Guo <shawn.guo@...escale.com>
Subject: Re: [RFC] add pwmlib support

Sorry, I'm confused about this.
If it is for backlight control, why it don't go through led_class?

Do I miss anything?

2011/1/30 Wolfram Sang <w.sang@...gutronix.de>:
>
>> > code is inspired by gpiolib support and tested using the backlight pwm
>                                                             ^^^^^^^^^
>> So I believe that hwmon drivers are out of scope for pwmlib. Which
>> makes me wonder what you intend to do with pwmlib (back to my first
>> question...) as the only use I know of for PWM signals in computers is
>> for fan control.
>
> It was meant for backlight control (was mentioned very indirectly).
> I also pointed him to Bill's implementation, too.
>
> Regards,
>
>   Wolfram
>
> --
> Pengutronix e.K.                           | Wolfram Sang                |
> Industrial Linux Solutions                 | http://www.pengutronix.de/  |
>
> -----BEGIN PGP SIGNATURE-----
> Version: GnuPG v1.4.9 (GNU/Linux)
>
> iEYEARECAAYFAk1Ei+0ACgkQD27XaX1/VRvjkACeOhJonBEZQX8U+ihKtiMjQT/U
> IfAAoMdZiOrAOvuH1Iv6ZKNYoT+VhhTM
> =ROYN
> -----END PGP SIGNATURE-----
>
>



-- 
cheers,
jay
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/