264 iicbb_clockin(device_t dev, int sda)  in iicbb_clockin()  argument
270 	 * - set SDA to the value;  in iicbb_clockin()
275 	 * SDA and raising SCL.  It's expected that the I/O access latency will  in iicbb_clockin()
278 	I2C_SETSDA(dev, sda);  in iicbb_clockin()
327  * line low and then the SLAVE will release the SDA (data) line.
336 	/* Release SDA so that the slave can drive it. */  in iicbb_getack()
343 	/* Sample SDA until ACK (low) or udelay runs out. */  in iicbb_getack()
381 	 * Release SDA so that the slave can drive it.  in iicbb_readbyte()
382 	 * We do not use iicbb_clockin() here because we need to release SDA  in iicbb_readbyte()
443 		/* SDA will go low in the middle of the SCL high phase. */  in iicbb_start_impl()
448 	 * SDA must be high after the earlier stop condition or the end  in iicbb_start_impl()
456 	/* Start: SDA high->low. */  in iicbb_start_impl()
497 	 * Stop: SDA goes from low to high in the middle of the SCL high phase.  in iicbb_stop()