[alsa-devel] user space control app driver interface for sound soc

Mark Brown broonie at opensource.wolfsonmicro.com
Fri Oct 1 00:09:54 CEST 2010

On Thu, Sep 30, 2010 at 02:55:39PM -0700, Peter Hsiang wrote:
> On Thu, Sep 30, 2010, Mark Brown wrote:

> > This depends on what's idiomatic for the data you need to download -
> > what is the data?

> The data could be filter coefficients, or maybe even proprietary 

For these it depends; frequently these are (like your existing EQ
configuration) included in platform data but it really depends on how
they are generated and if they are custom to a particular system (eg,
dependant on plastics or particular speakers).

> binary code image that goes into the chip's memory.

For this use request_firmware() and associated interfaces.

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