input: i8042: Make sure the keyboard is enabled
Add one more step into the init sequence. This fixes the keyboard on samus,
which otherwise does not work.
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Tested-by: Bin Meng <bmeng.cn@gmail.com>
diff --git a/include/i8042.h b/include/i8042.h
index 9723b6a..0766488 100644
--- a/include/i8042.h
+++ b/include/i8042.h
@@ -35,6 +35,7 @@
#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 */