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

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Message-ID: <20120724143023.GA22293@avionic-0098.mockup.avionic-design.de>
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

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