EVENT_DEV_OPEN
set_bit(EVENT_DEV_OPEN, &dev->flags);
clear_bit(EVENT_DEV_OPEN, &dev->flags);
dev_open = test_bit(EVENT_DEV_OPEN, &dev->flags);
dev_open = test_bit(EVENT_DEV_OPEN, &dev->flags);
if (!test_bit(EVENT_DEV_OPEN, &dev->flags))
if (test_bit(EVENT_DEV_OPEN, &dev->flags)) {
test_bit(EVENT_DEV_OPEN, &dev->flags) &&
[EVENT_DEV_OPEN] = "EVENT_DEV_OPEN",
clear_bit(EVENT_DEV_OPEN, &dev->flags);
set_bit(EVENT_DEV_OPEN, &dev->flags);