linux-kernel - Re: [PATCH v2] pwm: Add support for configuring the PWM polarity

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]

Date:	Tue, 24 Jul 2012 16:30:23 +0200
From:	Thierry Reding <thierry.reding@...onic-design.de>
To:	"Philip, Avinash" <avinashphilip@...com>
Cc:	linux-kernel@...r.kernel.org, nsekhar@...com
Subject: Re: [PATCH v2] pwm: Add support for configuring the PWM polarity

On Tue, Jul 24, 2012 at 07:35:32PM +0530, Philip, Avinash wrote:
> Some hardware supports inverting the polarity of the PWM signal. This
> commit adds support to the PWM framework to allow users of the PWM API
> to configure the polarity. Note that in order to reduce complexity,
> changing the polarity of a PWM signal is only allowed while the PWM is
> disabled.
> 
> A practical example where this can prove useful is to simulate inversion
> of the duty cycle. While inversion of polarity and duty cycle are not
> exactly the same, the differences for most use-cases are negligible.
> 
> Signed-off-by: Philip, Avinash <avinashphilip@...com>

This looks good to me. I'll queue this for 3.7 once the 3.6 merge window
closes.

Thanks,
Thierry

Content of type "application/pgp-signature" skipped