Lines Matching refs:ack
149 * 0 if the device did not ack
156 int ack;
181 "i2c_outb: 0x%02x, timeout at ack\n", (int)c);
185 /* read ack: SDA should be pulled down by slave, or it may
189 ack = !adap->getsda || !getsda(adap); /* ack: sda is pulled low -> success */
191 ack ? "A" : "NA");
194 return ack;
390 if (is_ack) /* send ack */
394 dev_err(&i2c_adap->dev, "readbytes: ack/nak timeout\n");
446 ? "(no ack/nak)"
462 * 0 everything went okay, the chip ack'ed, or IGNORE_NAK flag was set
491 /* the chip did not ack / xmission error occurred */