52 #define RPM_FROM_REG(reg, sr)		(((reg) >> 4) ? \  argument
53 					 ((60 * (sr) * 8192) / ((reg) >> 4)) : \
55 #define RPM_TO_REG(rpm, sr)		((60 * (sr) * 8192) / ((rpm) * 2))  argument
177 	int sr, rpm;  in get_fan()  local
182 	sr = get_tach_period(data->fan_dynamics[attr->index]);  in get_fan()
183 	rpm = RPM_FROM_REG(data->tach[attr->index], sr);  in get_fan()
193 	int sr, rpm;  in get_fan_target()  local
198 	sr = get_tach_period(data->fan_dynamics[attr->index]);  in get_fan_target()
199 	rpm = RPM_FROM_REG(data->target_count[attr->index], sr);  in get_fan_target()
212 	int sr;  in set_fan_target()  local
238 	sr = get_tach_period(data->fan_dynamics[attr->index]);  in set_fan_target()
239 	target_count = RPM_TO_REG(rpm, sr);  in set_fan_target()