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-rw-r--r--payloads/libpayload/drivers/i8042/keyboard.c22
1 files changed, 15 insertions, 7 deletions
diff --git a/payloads/libpayload/drivers/i8042/keyboard.c b/payloads/libpayload/drivers/i8042/keyboard.c
index 12255fb7f8..240385ce6d 100644
--- a/payloads/libpayload/drivers/i8042/keyboard.c
+++ b/payloads/libpayload/drivers/i8042/keyboard.c
@@ -172,7 +172,7 @@ static unsigned char keyboard_cmd(unsigned char cmd)
{
i8042_write_data(cmd);
- return i8042_wait_read_ps2() == 0xfa;
+ return i8042_wait_read_ps2() == I8042_KBCMD_ACK;
}
int keyboard_havechar(void)
@@ -319,32 +319,40 @@ void keyboard_init(void)
/* Reset keyboard and self test (keyboard side) */
ret = keyboard_cmd(I8042_KBCMD_RESET);
- if (ret != I8042_KBCMD_ACK) {
- printf("ERROR: Keyboard reset failed ACK: 0x%x\n", ret);
+ if (!ret) {
+ printf("ERROR: Keyboard reset failed!\n");
return;
}
/* Set scancode set 1 */
ret = keyboard_cmd(I8042_KBCMD_SET_SCANCODE);
- if (!ret && !CONFIG(LP_PC_KEYBOARD_IGNORE_INIT_FAILURE))
+ if (!ret && !CONFIG(LP_PC_KEYBOARD_IGNORE_INIT_FAILURE)) {
+ printf("ERROR: Keyboard set scancode failed!\n");
return;
+ }
ret = keyboard_cmd(I8042_SCANCODE_SET_1);
- if (!ret && !CONFIG(LP_PC_KEYBOARD_IGNORE_INIT_FAILURE))
+ if (!ret && !CONFIG(LP_PC_KEYBOARD_IGNORE_INIT_FAILURE)) {
+ printf("ERROR: Keyboard scancode set#1 failed!\n");
return;
+ }
/*
* Set default parameters.
* Fix for broken QEMU ps/2 make scancodes.
*/
ret = keyboard_cmd(0xf6);
- if (!ret)
+ if (!ret) {
+ printf("ERROR: Keyboard set default params failed!\n");
return;
+ }
/* Enable scanning */
ret = keyboard_cmd(I8042_KBCMD_EN);
- if (!ret && !CONFIG(LP_PC_KEYBOARD_IGNORE_INIT_FAILURE))
+ if (!ret && !CONFIG(LP_PC_KEYBOARD_IGNORE_INIT_FAILURE)) {
+ printf("ERROR: Keyboard enable scanning failed!\n");
return;
+ }
console_add_input_driver(&cons);
}