Messages in this thread | | | Date | Sat, 11 Jan 2014 12:08:26 +0000 | From | Mark Brown <> | Subject | Re: [alsa-devel] [PATCH] ASoC: dpcm: don't do hw_param when BE has done hw_param |
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On Sat, Jan 11, 2014 at 10:35:33AM +0100, Takashi Iwai wrote:
> But, the point is that basically we already know that something is > wrong at the point BE2 setting up an incompatible hw_params; then it > should be notified properly to FE1, or the incompatible change must be > handled as an error. This is the missing piece in the current > implementation. The skip of redundant BE hw_params call can be > implemented as an optimization in this compatibility check, too.
Only in the case where they actually are incompatible though - if there's DSP in place which can do suitable mixing it's not an issue. At the minute the core is relying on the drivers handling any limits just like with the CODECs. [unhandled content-type:application/pgp-signature] | |