diff options
Diffstat (limited to 'payloads/libpayload/drivers')
| -rw-r--r-- | payloads/libpayload/drivers/i8042/i8042.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/payloads/libpayload/drivers/i8042/i8042.c b/payloads/libpayload/drivers/i8042/i8042.c index e97fab8429..ee9f5fd405 100644 --- a/payloads/libpayload/drivers/i8042/i8042.c +++ b/payloads/libpayload/drivers/i8042/i8042.c @@ -197,23 +197,29 @@ u8 i8042_probe(void) /* If 0x64 returns 0xff, then we have no keyboard * controller */ - if (read_status() == 0xFF) + if (read_status() == 0xFF) { + printf("ERROR: No keyboard controller found!\n"); return 0; + } - if (!i8042_wait_cmd_rdy()) + if (!i8042_wait_cmd_rdy()) { + printf("ERROR: i8042_wait_cmd_rdy failed!\n"); return 0; + } kbc_init = 1; /* Disable first device */ if (i8042_cmd(I8042_CMD_DIS_KB) != 0) { kbc_init = 0; + printf("ERROR: i8042_cmd I8042_CMD_DIS_KB failed!\n"); return 0; } /* Disable second device */ if (i8042_cmd(I8042_CMD_DIS_AUX) != 0) { kbc_init = 0; + printf("ERROR: i8042_cmd I8042_CMD_DIS_AUX failed!\n"); return 0; } @@ -225,6 +231,7 @@ u8 i8042_probe(void) if (i8042_cmd_with_response(I8042_CMD_SELF_TEST) != I8042_SELF_TEST_RSP) { kbc_init = 0; + printf("ERROR: i8042_cmd I8042_CMD_SELF_TEST failed!\n"); return 0; } |