setUsage
Called at init time to set the control usage.
Declaration
virtual void setUsage(
UInt32 usage);See Also
Miscellaneous
addUserClientaddUserClientActionclientClosedcreateUserClient(task_t, void *, UInt32, IOAudioControlUserClient **)createUserClient(task_t, void *, UInt32, IOAudioControlUserClient **, OSDictionary *)detachUserClientsActionflushValuefreegetChannelIDgetCommandGategetControlIDgetIsStartedgetValuegetWorkLoophardwareValueChangedinitnewUserClientperformValueChangeremoveUserClientremoveUserClientActionsendValueChangeNotificationsetChannelIDsetChannelNamesetControlIDsetPropertiessetReadOnlyFlagsetSubType(UInt32)setType(UInt32)setValuesetValueActionstartstopupdateValuevalidateValuewithAttributes