performValueChange
Called by setValue() to make the call to the valueChangeHandler to update the hardware.
Declaration
virtual IOReturn performValueChange(
OSObject *newValue);Return Value
Returns the result of the handler call (or kIOReturnError on an error).
See Also
Miscellaneous
addUserClientaddUserClientActionclientClosedcreateUserClient(task_t, void *, UInt32, IOAudioControlUserClient **)createUserClient(task_t, void *, UInt32, IOAudioControlUserClient **, OSDictionary *)detachUserClientsActionflushValuefreegetChannelIDgetCommandGategetControlIDgetIsStartedgetValuegetWorkLoophardwareValueChangedinitnewUserClientremoveUserClientremoveUserClientActionsendValueChangeNotificationsetChannelIDsetChannelNamesetControlIDsetPropertiessetReadOnlyFlagsetSubType(UInt32)setType(UInt32)setUsagesetValuesetValueActionstartstopupdateValuevalidateValuewithAttributes