From: Ashish Chavan <ashish.chavan@kpitcummins.com>
To: Mark Brown <broonie@opensource.wolfsonmicro.com>
Cc: alsa-devel <alsa-devel@alsa-project.org>, lrg <lrg@ti.com>,
"kuninori.morimoto.gx" <kuninori.morimoto.gx@renesas.com>,
linux-kernel <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH] ASoC: da7210: Add support for PLL and SRM
Date: Wed, 18 Jan 2012 18:56:18 +0530 [thread overview]
Message-ID: <1326893178.16299.10.camel@matrix> (raw)
In-Reply-To: <20120112185257.GB9661@sirena.org.uk>
> > +static int da7210_set_dai_clkdiv(struct snd_soc_dai *codec_dai,
> > + int div_id, int div)
>
> Why does the driver need the machine driver to manually configure clock
> dividers?
Do you mean that the input mclk value should be passed via platform data
and driver should use it from there during initialization?
> This isn't great, you're indexing into a table of divisors using raw
> numeric constants in a totally separate part of the code. Worse, these
> constants aren't even directly used but have a calculation applied to
> them apparently because this is really a multi dimensional array. This
> isn't great for either legibility or robustness.
>
> Fix this to remove the use of magic numbers, for example by putting
> fout and fref into the table and searching for them.
>
OK, will take care of that.
next prev parent reply other threads:[~2012-01-18 13:14 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-01-12 12:24 [PATCH] ASoC: da7210: Add support for PLL and SRM Ashish Chavan
2012-01-12 18:52 ` Mark Brown
2012-01-12 18:52 ` [alsa-devel] " Mark Brown
2012-01-18 13:26 ` Ashish Chavan [this message]
2012-01-18 13:17 ` Mark Brown
2012-01-18 13:17 ` [alsa-devel] " Mark Brown
-- strict thread matches above, loose matches on Subject: below --
2012-04-11 5:28 Ashish Chavan
2012-04-13 9:30 ` Mark Brown
2012-04-16 12:23 ` Ashish Chavan
2012-04-16 12:59 ` Mark Brown
2012-04-16 13:42 ` Ashish Chavan
2012-04-16 14:07 ` Mark Brown
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