diff options
Diffstat (limited to 'payloads/libpayload/drivers/i8042/keyboard.c')
| -rw-r--r-- | payloads/libpayload/drivers/i8042/keyboard.c | 22 |
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); } |