also you have a typo in your dts I think that the define is #define AUDMUX_EXT_PORT_NAME port5 not #define AUDMUX_INT_PORT_NAME port5 and -> correct the other (i found that imx-audmux support audmux port-config...) _______________________________________________ Alsa-devel mailing list Alsa-devel@xxxxxxxxxxxxxxxx http://mailman.alsa-project.org/mailman/listinfo/alsa-devel