Lines Matching refs:rpm
48 #define RPM_TO_REG(rpm, sr) ((60 * (sr) * 8192) / ((rpm) * 2))
145 static u8 bits_for_tach_period(int rpm)
149 if (rpm < 500)
151 else if (rpm < 1000)
153 else if (rpm < 2000)
155 else if (rpm < 4000)
157 else if (rpm < 8000)
169 int sr, rpm;
178 rpm = 0;
180 rpm = RPM_FROM_REG(data->tach[channel], sr);
181 *val = rpm;
185 rpm = RPM_FROM_REG(data->target_count[channel], sr);
186 *val = rpm;