Re: [alsa-devel] [PATCH v3 4/5] ASoC: tda998x: adjust the audio hwparameters from EDID

[Mark Brown]

On Wed, Feb 05, 2014 at 10:19:22AM +0100, Lars-Peter Clausen wrote:
> On 02/05/2014 10:11 AM, Jean-Francois Moine wrote:

> >So, in the CODEC, I don't see how I could update the parameters
> >dictated by the EDID otherwise in changing the DAI driver parameters.

> The startup function is the right place. But instead of modifying
> the DAI use snd_pcm_hw_constraint_mask64(),
> snd_pcm_hw_constraint_list(), etc. to setup the additional
> constraints that come from the EDID.

Right.

> Bonus points for making this a generic helper function that takes a
> runtime and a EDID and then applies the EDID constraints on the
> runtime.

...as previously requested.  I know there was some discusion of broader
moves to factor this stuff out but it'd still be good to keep it
separated out even prior to a final non-EDID based solution so it's
easier to refactor.

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