[alsa-devel] [PATCH] [v2] ASoC: cs4270: use the built-in register cache support

Mark Brown broonie at opensource.wolfsonmicro.com
Mon Jan 10 19:54:06 CET 2011

On Mon, Jan 10, 2011 at 12:41:30PM -0600, Timur Tabi wrote:

> So I don't understand the philosophy here.  Are we going to propagate errors
> during read operations, or not?  It seems that sometimes ASoC does, and
> sometimes it doesn't, and sometimes it doesn't even know what it wants (e.g. the
> snd_soc_X_X_read functions).

This is all code that's evolved over time, and originally there was no
readback facility at all (everything came from cache) so there were no
errors to report in the first place.  Besides, in general there's
nothing constructive we can do about errors anyway except log them.

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