Lines Matching defs:udelay

76 	u_int udelay;		/* signal toggle delay in usec */
154 	    "delay", CTLFLAG_RD, &sc->udelay,
272 	 * The caller is responsible for keeping SCL high for udelay.
295 	 * - pull SCL low and hold for udelay.
298 	DELAY(sc->udelay);
310 	DELAY(sc->udelay);
343 	/* Sample SDA until ACK (low) or udelay runs out. */
344 	for (t = 0; t < sc->udelay; t++) {
351 	DELAY(sc->udelay - t);
394 		DELAY((sc->udelay + 1) / 2);
397 		DELAY((sc->udelay + 1) / 2);
444 		DELAY((sc->udelay + 1) / 2);
460 	DELAY((sc->udelay + 1) / 2);
502 	DELAY((sc->udelay + 1) / 2);
504 	DELAY((sc->udelay + 1) / 2);
577 	 * udelay is half a period, the clock is held high or low for this long.
582 	sc->udelay = MAX(period, 1);