CH_SWITCH_BACKGROUND_SCAN_STOP
if (!chandef && cmd != CH_SWITCH_BACKGROUND_SCAN_STOP)
case CH_SWITCH_BACKGROUND_SCAN_STOP:
CH_SWITCH_BACKGROUND_SCAN_STOP);
if (!chandef && cmd != CH_SWITCH_BACKGROUND_SCAN_STOP)
case CH_SWITCH_BACKGROUND_SCAN_STOP:
CH_SWITCH_BACKGROUND_SCAN_STOP);