[RESEND PATCH 3/6] counter: add new COUNTER_EVENT_CHANGE_OF_STATE

[William Breathitt Gray]

From: Oleksij Rempel <o.rempel@xxxxxxxxxxxxxx>

Add new counter event to notify user space about every new counter
pulse.

Signed-off-by: Oleksij Rempel <o.rempel@xxxxxxxxxxxxxx>
Link: https://lore.kernel.org/r/20220203135727.2374052-2-o.rempel@xxxxxxxxxxxxxx
Signed-off-by: William Breathitt Gray <vilhelm.gray@xxxxxxxxx>
---
 include/uapi/linux/counter.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/include/uapi/linux/counter.h b/include/uapi/linux/counter.h
index d0aa95aeff7b..96c5ffd368ad 100644
--- a/include/uapi/linux/counter.h
+++ b/include/uapi/linux/counter.h
@@ -61,6 +61,8 @@ enum counter_event_type {
 	COUNTER_EVENT_THRESHOLD,
 	/* Index signal detected */
 	COUNTER_EVENT_INDEX,
+	/* State of counter is changed */
+	COUNTER_EVENT_CHANGE_OF_STATE,
 };
 
 /**
-- 
2.35.1