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From: Maxime Ripard <maxime.ripard-wi1+55ScJUtKEb57/3fJTNBPR1lH4CV8@public.gmane.org>
To: Mark Brown <broonie-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>
Cc: Rob Herring <robh+dt-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>,
	Chen-Yu Tsai <wens-jdAy2FN1RRM@public.gmane.org>,
	Liam Girdwood <lgirdwood-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>,
	devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org,
	alsa-devel-K7yf7f+aM1XWsZ/bQMPhNw@public.gmane.org,
	linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	Andrea Venturi
	<ennesimamail.av-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>,
	Code Kipper <codekipper-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>,
	gianfranco-25KmuZRQ+wx0ubjbjo6WXg@public.gmane.org
Subject: Re: [PATCH 2/4] ASoC: sunxi: Add Allwinner A10 Digital Audio driver
Date: Fri, 10 Jun 2016 09:36:43 +0200	[thread overview]
Message-ID: <20160610073643.GK5242@lukather> (raw)
In-Reply-To: <20160610003755.GC7510-GFdadSzt00ze9xe1eoZjHA@public.gmane.org>

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Hi Mark,

On Fri, Jun 10, 2016 at 01:37:55AM +0100, Mark Brown wrote:
> > > > +static int sun4i_i2s_dai_probe(struct snd_soc_dai *dai)
> > > > +{
> > > > +	struct sun4i_i2s *i2s = snd_soc_dai_get_drvdata(dai);
> 
> > > > +	/* Enable the whole hardware block */
> > > > +	regmap_write(i2s->regmap, SUN4I_I2S_CTRL_REG,
> > > > +		     SUN4I_I2S_CTRL_GL_EN);
> 
> > > Runtime PM?  It also seems like this is something that ought to be
> > > covered in the suspend and resume callbacks.
> 
> > runtime_pm is supported, and uses the regmap cache to keep those
> > changes.
> 
> No, my point is that I'd expect to see the block powered off on suspend.

It is. The bus clock is disabled, which also puts the IP in reset.

Maxime

-- 
Maxime Ripard, Free Electrons
Embedded Linux, Kernel and Android engineering
http://free-electrons.com

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  parent reply	other threads:[~2016-06-10  7:36 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-06-01 17:54 [PATCH 0/4] ASoC: sunxi: Add i2s controller support Maxime Ripard
2016-06-01 17:54 ` [PATCH 1/4] dt-bindings: Add A10 I2S controller binding documentation Maxime Ripard
     [not found]   ` <20160601175430.11625-2-maxime.ripard-wi1+55ScJUtKEb57/3fJTNBPR1lH4CV8@public.gmane.org>
2016-06-02 10:09     ` Mark Brown
2016-06-06 13:08   ` Rob Herring
2016-06-09 17:15     ` Maxime Ripard
2016-06-01 17:54 ` [PATCH 2/4] ASoC: sunxi: Add Allwinner A10 Digital Audio driver Maxime Ripard
2016-06-02  8:03   ` Code Kipper
2016-06-09 21:06     ` Maxime Ripard
2016-06-02 10:26   ` Mark Brown
2016-06-09 21:05     ` Maxime Ripard
2016-06-10  0:37       ` Mark Brown
     [not found]         ` <20160610003755.GC7510-GFdadSzt00ze9xe1eoZjHA@public.gmane.org>
2016-06-10  7:36           ` Maxime Ripard [this message]
2016-06-01 17:54 ` [PATCH 3/4] ARM: sun7i: Add mod1 clock nodes Maxime Ripard
2016-06-01 17:54 ` [PATCH 4/4] ARM: sun7i: Add DAI nodes Maxime Ripard

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