Hi,
What is the best mechanism to signal an event from gadget driver to user space?
1) Use POLLPRI when we get the event. User space can then issue an IOCTL to get
the event.
2) Use uevent to send the event to user space
3) Use a separate device file dedicated for the events
Which of the 3 is a good approach. Is there a better way than these supported by
Linux?
regards,
-roger
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