diff options
Diffstat (limited to 'payloads/libpayload/drivers')
| -rw-r--r-- | payloads/libpayload/drivers/i8042/keyboard.c | 24 |
1 files changed, 15 insertions, 9 deletions
diff --git a/payloads/libpayload/drivers/i8042/keyboard.c b/payloads/libpayload/drivers/i8042/keyboard.c index 14089bd51e..cb386e919f 100644 --- a/payloads/libpayload/drivers/i8042/keyboard.c +++ b/payloads/libpayload/drivers/i8042/keyboard.c @@ -36,6 +36,12 @@ #include "i8042.h" +#ifdef DEBUG +#define debug(x...) printf(x) +#else +#define debug(x...) do {} while (0) +#endif + #define POWER_BUTTON 0x90 #define MEDIA_KEY_PREFIX 0xE0 @@ -200,12 +206,12 @@ static bool keyboard_cmd(unsigned char cmd) default: /* Warn only if we already disabled keyboard input. */ if (cmd != I8042_KBCMD_DEFAULT_DIS) - printf("WARNING: Keyboard sent spurious 0x%02x.\n", data); + debug("WARNING: Keyboard sent spurious 0x%02x.\n", data); break; } } while (timer_us(start_time) < timeout_us); - printf("ERROR: Keyboard command timed out.\n"); + debug("ERROR: Keyboard command timed out.\n"); return false; } @@ -218,13 +224,13 @@ static bool set_scancode_set(const unsigned char set) ret = keyboard_cmd(I8042_KBCMD_SET_SCANCODE); if (!ret) { - printf("ERROR: Keyboard set scancode failed!\n"); + debug("ERROR: Keyboard set scancode failed!\n"); return ret; } ret = keyboard_cmd(set); if (!ret) { - printf("ERROR: Keyboard scancode set#%u failed!\n", set); + debug("ERROR: Keyboard scancode set#%u failed!\n", set); return ret; } @@ -291,7 +297,7 @@ static void keyboard_poll(void) case STATE_START_SELF_TEST: if (!keyboard_cmd(I8042_KBCMD_RESET)) - printf("ERROR: Keyboard self-test couldn't be started.\n"); + debug("ERROR: Keyboard self-test couldn't be started.\n"); /* We ignore errors and always move to the self-test state which will simply try again if necessary. */ next_state = STATE_SELF_TEST; @@ -316,7 +322,7 @@ static void keyboard_poll(void) next_state = STATE_START_SELF_TEST; break; default: - printf("WARNING: Keyboard self-test received spurious 0x%02x\n", + debug("WARNING: Keyboard self-test received spurious 0x%02x\n", self_test_result); break; } @@ -331,7 +337,7 @@ static void keyboard_poll(void) case STATE_CONFIGURE_SET1: if (!set_scancode_set(1)) { - printf("ERROR: Keyboard failed to set any scancode set.\n"); + debug("ERROR: Keyboard failed to set any scancode set.\n"); next_state = STATE_DISABLE_SCAN; break; } @@ -341,7 +347,7 @@ static void keyboard_poll(void) case STATE_ENABLE_TRANSLATION: if (i8042_set_kbd_translation(true) != 0) { - printf("ERROR: Keyboard controller set translation failed!\n"); + debug("ERROR: Keyboard controller set translation failed!\n"); next_state = STATE_DISABLE_SCAN; break; } @@ -351,7 +357,7 @@ static void keyboard_poll(void) case STATE_ENABLE_SCAN: if (!keyboard_cmd(I8042_KBCMD_EN)) { - printf("ERROR: Keyboard enable scanning failed!\n"); + debug("ERROR: Keyboard enable scanning failed!\n"); next_state = STATE_DISABLE_SCAN; break; } |