25 void wf_pid_init(struct wf_pid_state *st, struct wf_pid_param *param)  in wf_pid_init()  argument
28 	st->param = *param;  in wf_pid_init()
37 	int	i, hlen = st->param.history_len;  in wf_pid_run()
40 	error = new_sample - st->param.itarget;  in wf_pid_run()
59 	integ *= st->param.interval;  in wf_pid_run()
64 	deriv /= st->param.interval;  in wf_pid_run()
67 	target = (s32)((integ * (s64)st->param.gr + deriv * (s64)st->param.gd +  in wf_pid_run()
68 		  error * (s64)st->param.gp) >> 36);  in wf_pid_run()
69 	if (st->param.additive)  in wf_pid_run()
71 	target = max(target, st->param.min);  in wf_pid_run()
72 	target = min(target, st->param.max);  in wf_pid_run()
80 		     struct wf_cpu_pid_param *param)  in wf_cpu_pid_init()  argument
83 	st->param = *param;  in wf_cpu_pid_init()
92 	int	i, hlen = st->param.history_len;  in wf_cpu_pid_run()
95 	error = st->param.pmaxadj - new_power;  in wf_cpu_pid_run()
117 	integ *= st->param.interval;  in wf_cpu_pid_run()
118 	integ *= st->param.gr;  in wf_cpu_pid_run()
119 	sval = st->param.tmax - (s32)(integ >> 20);  in wf_cpu_pid_run()
120 	adj = min(st->param.ttarget, sval);  in wf_cpu_pid_run()
127 	deriv /= st->param.interval;  in wf_cpu_pid_run()
128 	deriv *= st->param.gd;  in wf_cpu_pid_run()
132 	prop *= st->param.gp;  in wf_cpu_pid_run()
138 	target = max(target, st->param.min);  in wf_cpu_pid_run()
139 	target = min(target, st->param.max);  in wf_cpu_pid_run()