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From: Mark Brown <broonie@kernel.org>
To: John Hsu <KCHSU0@nuvoton.com>
Cc: alsa-devel@alsa-project.org, anatol.pomozov@gmail.com,
	YHCHuang@nuvoton.com, lgirdwood@gmail.com, benzh@chromium.org,
	CTLIN0@nuvoton.com, mhkuo@nuvoton.com, yong.zhi@intel.com
Subject: Re: [PATCH] ASoC: nau8825: fix interrupt fails and unstable after resume
Date: Tue, 15 Mar 2016 09:27:11 +0000	[thread overview]
Message-ID: <20160315092711.GH2566@sirena.org.uk> (raw)
In-Reply-To: <56E1105E.8010604@nuvoton.com>


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On Thu, Mar 10, 2016 at 02:12:46PM +0800, John Hsu wrote:
> On 3/1/2016 11:26 AM, Mark Brown wrote:
> >On Mon, Feb 29, 2016 at 03:01:45AM +0800, John Hsu wrote:

> >>+static int nau8825_resume_setup(struct nau8825 *nau8825)
> >>+{

> >I'd expect to see this shared with initial power on?

> There is a little things different between resume and initiation.
> But I think the function could be reused.

Really?  Bear in mind the device might have lost power over suspend...

> >> 	regcache_cache_only(nau8825->regmap, false);
> >>-	regcache_sync(nau8825->regmap);
> >>-	enable_irq(client->irq);
> >>+	enable_irq(nau8825->irq);

> >We're removing the register cache sync here but I don't see us adding it
> >anywhere else.

> A part of suspend and resume action moves to set bias function,
> nau8825_set_bias_level.
> We make register cache dirty in bias off; and make register cache sync after
> resume in bias standby.

OK.

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  parent reply	other threads:[~2016-03-15  9:27 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-02-28 19:01 [PATCH] ASoC: nau8825: fix interrupt fails and unstable after resume John Hsu
2016-02-28 19:47 ` [PATCH v2] ASoC: nau8825: reduce stanby power consumption John Hsu
2016-03-05  4:10   ` Mark Brown
2016-03-01  3:26 ` [PATCH] ASoC: nau8825: fix interrupt fails and unstable after resume Mark Brown
2016-03-10  6:12   ` John Hsu
2016-03-15  7:53     ` John Hsu
2016-03-15  9:27       ` Mark Brown
2016-03-15  9:27     ` Mark Brown [this message]
2016-03-16  3:45       ` John Hsu
  -- strict thread matches above, loose matches on Subject: below --
2016-03-22  3:57 John Hsu
2016-03-26  0:08 ` Ben Zhang
2016-03-30  9:35   ` John Hsu
2016-01-12  1:09 John Hsu

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