Re: [PATCH 1/3] ASoC: DaVinci: i2s, reduce underruns by combining into 1 element

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On Tue, Sep 01, 2009 at 01:42:02PM -0700, Troy Kisky wrote:
> Mark Brown wrote:

> >> is using the same TC. But sram isn't on by default either. And probably shouldn't
> >> be since the newer chips don't have an underrun problem.

> > Hrm, that suggests that if it's enabled at all the default should depend
> > on the chip in use?

> That seems unnecessarily complex to me. As long as platform data can
> specify what you need, you'll eventually get it right. If tracking of
> an object is always wrong because of a channel swap, that is easier
> to notice, and debug, and fix, then if the tracking is only occasionally
> wrong. I'd much rather have a repeatable bug. And most codecs do allow
> you to swap the left and right channels. So, for most people, the fix
> will not be to disable channel combining.

My thinking was that if the newer chips don't have the underrun issue at
all then it seems like a bad move to enable the workaround for them
since they're currently fine.  There should be no intermittent problems
if the underrun issue isn't present.
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