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From: Mark Brown <broonie@kernel.org>
To: Nicolin Chen <b42378@freescale.com>
Cc: alsa-devel@alsa-project.org, Linus Walleij <linus.walleij@linaro.org>
Subject: Re: Is that reasonable to support pinctrl PM in ASoC core?
Date: Thu, 24 Oct 2013 12:52:24 +0100	[thread overview]
Message-ID: <20131024115224.GD18506@sirena.org.uk> (raw)
In-Reply-To: <20131024110743.GD8385@MrMyself>


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On Thu, Oct 24, 2013 at 07:07:43PM +0800, Nicolin Chen wrote:

> And I think this pinctrl PM might be also beneficial to cpu dai drivers
> since they might have actual pins, and they can hypnotize/wake them up
> along with runtime PM:

I think you're right that this is a useful and obvious feature but the
question I have is that since the standard implementation is going to be
to do the pinctrl calls in lockstep with the runtime PM handling and
since this is likely to be the same for pretty much any subsystem might
it be better to add the hooks at the runtime PM level rather than in the
subsystem?  Or perhaps we should just add them in subsystems and then
once some reasonable number of subsystems have done this then pull it
into the PM core?

Linus, any thoughts?

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  reply	other threads:[~2013-10-24 11:52 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-10-24 11:07 Is that reasonable to support pinctrl PM in ASoC core? Nicolin Chen
2013-10-24 11:52 ` Mark Brown [this message]
2013-10-24 13:19   ` Linus Walleij
2013-10-24 14:15     ` Mark Brown
2013-10-25  2:21       ` Nicolin Chen
2013-10-25 10:00 ` Nicolin Chen

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