Lines Matching defs:ack
225 grub_uint8_t ack;
229 ack = grub_inb (KEYBOARD_REG_DATA);
230 while (ack != GRUB_AT_ACK && ack != GRUB_AT_NACK
232 return ack;
241 grub_uint8_t ack;
244 ack = wait_ack ();
245 if (ack == GRUB_AT_NACK)
247 if (ack == GRUB_AT_ACK)
280 grub_uint8_t ack;
286 ack = wait_ack ();
287 if (ack == GRUB_AT_NACK)
289 if (ack == GRUB_AT_ACK)