Re: [alsa-devel] [PATCH] ASoC: da7210: Add support for PLL and SRM

From: Mark Brown
Date: Mon Apr 16 2012 - 08:59:34 EST


On Mon, Apr 16, 2012 at 05:53:13PM +0530, Ashish Chavan wrote:
> On Fri, 2012-04-13 at 10:30 +0100, Mark Brown wrote:
> > On Wed, Apr 11, 2012 at 10:58:40AM +0530, Ashish Chavan wrote:

> > > + /* for MASTER mode, fs = 48Khz */
> > > + { 12000000, 0xF3, 0x12, 0x7, }, /* MCLK=12Mhz */

> > This *still* has magic number problems.

> OK, will replace frequency values with defines. That is what you are
> pointing, right?

No! As with *all* the other times you've submitted this you're relying
on magic array indexes to find stuff in the table which I've *repeatedly*
pointed out is terrible for readability and maintainability. It's very
disappointing to see the same problem coming back repeatedly.

> > These defines now need to be kept in sync with the table and are going
> > to be *very* painful to review.

> Yes, these defines need to be kept in sync with the table. Can you
> suggest any other, preferred way to do this?

Yes. For example, you could use the same technique you're using for the
frequencies.

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