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| author | Simon Glass <sjg@chromium.org> | 2015-03-26 09:29:41 -0600 |
|---|---|---|
| committer | Simon Glass <sjg@chromium.org> | 2015-04-18 11:11:16 -0600 |
| commit | f9f788f0721350e594ce3e7978968847b057afc1 (patch) | |
| tree | 745ae52b40fc4e81e9f4c3af7f10c07bb4278c79 | |
| parent | 47cb8c654be8849db9035f3703bbcdd1af21c63e (diff) | |
| download | u-boot-imx-f9f788f0721350e594ce3e7978968847b057afc1.zip u-boot-imx-f9f788f0721350e594ce3e7978968847b057afc1.tar.gz u-boot-imx-f9f788f0721350e594ce3e7978968847b057afc1.tar.bz2 | |
i8042: Add keyboard enable logic in kbd_reset()
This code appears to be missing a piece that is needed on some keyboards
to enable the keyboard. Add this in.
This makes the keyboard work correctly on chromebook_link.
Signed-off-by: Simon Glass <sjg@chromium.org>
| -rw-r--r-- | drivers/input/i8042.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/input/i8042.c b/drivers/input/i8042.c index ca1604c..1769c5e 100644 --- a/drivers/input/i8042.c +++ b/drivers/input/i8042.c @@ -698,7 +698,14 @@ static int kbd_reset(void) /* Enable Keyboard */ out8(I8042_COMMAND_REG, 0xae); + if (kbd_input_empty() == 0) + return -1; + + out8(I8042_COMMAND_REG, 0x60); + if (kbd_input_empty() == 0) + return -1; + out8(I8042_DATA_REG, 0xf4); if (kbd_input_empty() == 0) return -1; |