30 	unsigned int signal = cd->min_signal, val;  in pl080_get_signal()  local
36 	if (signals[signal].busy &&  in pl080_get_signal()
37 			(signals[signal].val != cd->muxval)) {  in pl080_get_signal()
43 	if (!signals[signal].busy) {  in pl080_get_signal()
51 		val &= ~(0x3 << (signal * 2));  in pl080_get_signal()
52 		val |= cd->muxval << (signal * 2);  in pl080_get_signal()
56 	signals[signal].busy++;  in pl080_get_signal()
57 	signals[signal].val = cd->muxval;  in pl080_get_signal()
60 	return signal;  in pl080_get_signal()
63 void pl080_put_signal(const struct pl08x_channel_data *cd, int signal)  in pl080_put_signal()  argument
70 	if (!signals[signal].busy)  in pl080_put_signal()
73 	signals[signal].busy--;  in pl080_put_signal()