From 8226a3e99f1c1e7ded648721d1e16118453761e5 Mon Sep 17 00:00:00 2001 From: Simon Glass Date: Fri, 11 Mar 2016 22:06:50 -0700 Subject: 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 Reviewed-by: Bin Meng Tested-by: Bin Meng --- drivers/input/i8042.c | 4 ++++ 1 file changed, 4 insertions(+) (limited to 'drivers') diff --git a/drivers/input/i8042.c b/drivers/input/i8042.c index 661d7fd86c..03d4840385 100644 --- a/drivers/input/i8042.c +++ b/drivers/input/i8042.c @@ -134,6 +134,10 @@ static int kbd_reset(int quirk) kbd_read(I8042_DATA_REG) != KBD_POR) goto err; + if (kbd_write(I8042_DATA_REG, CMD_DRAIN_OUTPUT) || + kbd_read(I8042_DATA_REG) != KBD_ACK) + goto err; + /* set AT translation and disable irq */ config = kbd_cmd_read(CMD_RD_CONFIG); if (config == -1) -- cgit v1.2.3