#define CMD_KBD_DIS 0xad /* keyboard disable */
#define CMD_KBD_EN 0xae /* keyboard enable */
#define CMD_SET_KBD_LED 0xed /* set keyboard led */
+#define CMD_DRAIN_OUTPUT 0xf4 /* drain output buffer */
#define CMD_RESET_KBD 0xff /* reset keyboard */
/* i8042 command result */