Lines Matching defs:period
85 /* Total blink period in milliseconds */
250 unsigned long time_on, time_off, period;
265 period = pca963x_period_scale(led, time_on + time_off);
267 /* If period not supported by hardware, default to someting sane. */
268 if ((period < PCA963X_BLINK_PERIOD_MIN) ||
269 (period > PCA963X_BLINK_PERIOD_MAX)) {
272 period = pca963x_period_scale(led, 1000);
277 * (time_on / period) = (GDC / 256) ->
278 * GDC = ((time_on * 256) / period)
280 gdc = (pca963x_period_scale(led, time_on) * 256) / period;
283 * From manual: period = ((GFRQ + 1) / 24) in seconds.
284 * So, period (in ms) = (((GFRQ + 1) / 24) * 1000) ->
285 * GFRQ = ((period * 24 / 1000) - 1)
287 gfrq = (period * 24 / 1000) - 1;
314 if (device_property_read_u32(dev, "nxp,period-scale",