V4L2_LOCK_EXPOSURE
bool ae_lock = ctrl->val & V4L2_LOCK_EXPOSURE;
if ((ctrl->val ^ ctrl->cur.val) & V4L2_LOCK_EXPOSURE) {
bool ae_lock = lock_val & V4L2_LOCK_EXPOSURE;
bool ae_lock = lock_val & V4L2_LOCK_EXPOSURE;
bool ae_lock = ctrl->val & V4L2_LOCK_EXPOSURE;