[SeaBIOS] [PATCH] ps2port: Enable keyboard write for i8042 before reset

[Jean Lucas]

This enables the keyboard on some Chromebooks after a hard reset.

Tested on an Acer C720 and a Dell Inspiron 660s.

Signed-off-by: Jean Lucas <jean at 4ray.co>
---
  src/hw/ps2port.c | 10 +++++-----
  1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/src/hw/ps2port.c b/src/hw/ps2port.c
index 88b1059..ac409de 100644
--- a/src/hw/ps2port.c
+++ b/src/hw/ps2port.c
@@ -475,6 +475,11 @@ ps2_keyboard_setup(void *data)
          return;
      }
  
+    // Keyboard write command
+    ret = i8042_command(I8042_CMD_CTL_WCTR, NULL);
+    if (ret)
+        return;
+
      // Controller keyboard test.
      ret = i8042_command(I8042_CMD_KBD_TEST, param);
      if (ret)
@@ -505,11 +510,6 @@ ps2_keyboard_setup(void *data)
          return;
      }
  
-    /* Disable keyboard */
-    ret = ps2_kbd_command(ATKBD_CMD_RESET_DIS, NULL);
-    if (ret)
-        return;
-
      // Set scancode command (mode 2)
      param[0] = 0x02;
      ret = ps2_kbd_command(ATKBD_CMD_SSCANSET, param);
-- 
2.16.2