Sometimes we seem to get 0xaa twice which causes the config read to fail.
This causes chromebook_link to fail to set up the keyboard.

Add a check for this and read the config again when detected.

Signed-off-by: Simon Glass <s...@chromium.org>
---

 drivers/input/i8042.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/input/i8042.c b/drivers/input/i8042.c
index dbd4b00..c6a92a2 100644
--- a/drivers/input/i8042.c
+++ b/drivers/input/i8042.c
@@ -497,6 +497,8 @@ static int kbd_reset(void)
        config = kbd_cmd_read(CMD_RD_CONFIG);
        if (config == -1)
                return -1;
+       else if (config == KBD_POR)     /* Sometimes get a second byte */
+               config = kbd_cmd_read(CMD_RD_CONFIG);
 
        config |= CONFIG_AT_TRANS;
        config &= ~(CONFIG_KIRQ_EN | CONFIG_MIRQ_EN);
-- 
2.6.0.rc0.131.gf624c3d

_______________________________________________
U-Boot mailing list
U-Boot@lists.denx.de
http://lists.denx.de/mailman/listinfo/u-boot

Reply via email to