56 static int sense = -1;	/* -1 = auto, 0 = active high, 1 = active low */  variable
343 		    sense != -1) {  in serial_ir_irq_handler()
350 			 * sense could be inverted.  in serial_ir_irq_handler()
359 					dcd, sense, ktime_to_ns(kt),  in serial_ir_irq_handler()
367 				if (!(dcd ^ sense)) {  in serial_ir_irq_handler()
371 						dcd, sense, ktime_to_ns(kt),  in serial_ir_irq_handler()
377 					sense = sense ? 0 : 1;  in serial_ir_irq_handler()
382 			frbwrite(data, !(dcd ^ sense));  in serial_ir_irq_handler()
572 	if (sense == -1) {  in serial_ir_probe()
589 		sense = nlow >= nhigh ? 1 : 0;  in serial_ir_probe()
591 			 sense ? "low" : "high");  in serial_ir_probe()
594 			 sense ? "low" : "high");  in serial_ir_probe()
792 	/* make sure sense is either -1, 0, or 1 */  in serial_ir_init_module()
793 	if (sense != -1)  in serial_ir_init_module()
794 		sense = !!sense;  in serial_ir_init_module()
836 module_param(sense, int, 0444);
837 MODULE_PARM_DESC(sense, "Override autodetection of IR receiver circuit (0 = active high, 1 = active…
841 MODULE_PARM_DESC(txsense, "Sense of transmitter circuit (0 = active high, 1 = active low )");