Puneet Sharma wrote: > As per my understanding, when the above interrupt endpoint is transferred > to host in response to Interrupt IN request, the host should send me a GET > CUR volume class-specific request to further qualify the cause of interrupt. > > However, I am not getting any class-specific request from host in response > to the status interrupt transferred to host. > > My query is do i need to implement a mixer interface in the uac2 kernel > driver to get the request or i am doing something wrong in the process. You must not send a notification for a unit ID that does not exist, so you must implement the mixer interface. And you will get a request to read the control's current volume only if some application that cares about the value (e.g., alsamixer) actually happens to be running on the host. Regards, Clemens _______________________________________________ Alsa-devel mailing list Alsa-devel@xxxxxxxxxxxxxxxx http://mailman.alsa-project.org/mailman/listinfo/alsa-devel
