tree 95b7013e4b8474c79d098c1159d995ee9bce7393
parent 7987a11891fb3c740bef6c5a3d0b388397601c8e
author Liam Girdwood <lrg@ti.com> 1296505987 +0000
committer Sebastien Guiriec <s-guiriec@ti.com> 1311535919 +0200

ASoC: dapm - Add API call to query valid DAPM paths.

In preparation for ASoC DSP support.

Add a DAPM API call to determine whether a DAPM audio path is valid between
source and sink widgets. This also takes into account all kcontrol mux and mixer
settings in between the source and sink widgets to validate the audio path.

This will be used by the DSP core to determine the runtime DAI mappings
between FE and BE DAIs in order to run PCM operations.

Signed-off-by: Liam Girdwood <lrg@ti.com>