| IPlfApiTuningNotify |
| Parameters | state | Indicates the current state of the tuning algorithm, see enum #_tmFe_SearchState_t. It is sufficient if the platform sends a notification immediately after StartSearch() is called indicating a transition to the state tmFe_SsSearching. If searching has finished, the platform has to notify the transition to tmFe_SsNone. |
| Parameters | state | Indicates the current state of the tuning algorithm, see enum #_tmFe_SearchState_t. It is sufficient if the platform simply returns tmFe_SsSearching. |
| Parameters | tvSystem | Subscription TV system value. |
| Parameters | freq | The current frequency value. |
| Parameters | freq | The current frequency value. |