Lines Matching refs:ack
164 * 0 if the device did not ack
171 int ack;
195 "timeout at ack\n", (int)c);
199 /* read ack: SDA should be pulled down by slave, or it may
202 ack = !getsda(adap); /* ack: sda is pulled low -> success */
204 ack ? "A" : "NA");
207 return ack;
414 if (is_ack) /* send ack */
418 dev_err(&i2c_adap->dev, "readbytes: ack/nak timeout\n");
465 ? "(no ack/nak)"
481 * 0 everything went okay, the chip ack'ed, or IGNORE_NAK flag was set
510 /* the chip did not ack / xmission error occurred */