CROS_EC_KEYBOARD_COLS_MAX
u8 valid_keys[CROS_EC_KEYBOARD_COLS_MAX];
u8 old_kb_state[CROS_EC_KEYBOARD_COLS_MAX];
if (ckdev->cols > CROS_EC_KEYBOARD_COLS_MAX) {
ckdev->cols, CROS_EC_KEYBOARD_COLS_MAX);