linux-kernel - Re: [PATCH 1/2] mfd: Core support for the WM8400 AudioPlus HiFi CODEC and PMU

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Message-ID: <20080910191335.GA26985@rakim.wolfsonmicro.main>
Date:	Wed, 10 Sep 2008 20:13:35 +0100
From:	Mark Brown <broonie@...nsource.wolfsonmicro.com>
To:	Liam Girdwood <lrg@...nel.org>
Cc:	Samuel Ortiz <sameo@...nedhand.com>, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/2] mfd: Core support for the WM8400 AudioPlus HiFi
	CODEC and PMU

On Wed, Sep 10, 2008 at 07:47:01PM +0100, Liam Girdwood wrote:
> On Wed, 2008-09-10 at 19:28 +0100, Mark Brown wrote:

> > +}
> > +EXPORT_SYMBOL_GPL(wm8400_block_read);

> Slight formatting difference with read and block read.  

Erk, yeah.  Will fix.

> > +void wm8400_notify_codec_reset(struct wm8400 *wm8400)
> > +{
> > +	int i;
> > +
> > +	mutex_lock(&wm8400->io_lock);
> > +
> > +	/* Reset all codec registers to their initial value */
> > +	for (i = 0; i < ARRAY_SIZE(wm8400->reg_cache); i++)
> > +		if (reg_data[i].is_codec)
> > +			wm8400->reg_cache[i] = reg_data[i].default_val;
> > +
> > +	mutex_unlock(&wm8400->io_lock);
> > +}
> > +EXPORT_SYMBOL_GPL(wm8400_notify_codec_reset);
> > +

> I would probably rename this since it's really resetting the codec cache
> and not resetting the codec.

The notify in the name was supposed to cover that (implying that it's
notifying the core rather than actually doing the reset) but it's
obviously not doing the job.  I think wm8400_reset_codec_reg_cache()
should be obvious enough?

> Fwiw, I've separated out the different wm8350 functions into separate
> headers - Imho, It just makes it a little easier to read.

Yeah, I considered doing that but decided that it was more trouble than
it was worth - the device has far fewer functions than the WM8350.
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