diff options
| author | Simon Glass <sjg@chromium.org> | 2016-03-11 22:06:50 -0700 |
|---|---|---|
| committer | Bin Meng <bmeng.cn@gmail.com> | 2016-03-17 10:27:24 +0800 |
| commit | 8226a3e99f1c1e7ded648721d1e16118453761e5 (patch) | |
| tree | 77984f8d487e193b35b8a9f4947439f4dbe4de1a /drivers | |
| parent | 532f2435cfe94e54e01ba68572daa853d7752afa (diff) | |
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>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/input/i8042.c | 4 |
1 files changed, 4 insertions, 0 deletions
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) |