linux-kernel - [RESEND PATCH 3/6] counter: add new COUNTER_EVENT_CHANGE_OF

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Message-Id: <486a5de67414470449efb84d06a2f2214f4bb31d.1647373009.git.vilhelm.gray@gmail.com>
Date:   Tue, 15 Mar 2022 15:38:54 -0400
From:   William Breathitt Gray <vilhelm.gray@...il.com>
To:     gregkh@...uxfoundation.org
Cc:     linux-kernel@...r.kernel.org, linux-iio@...r.kernel.org,
        Oleksij Rempel <o.rempel@...gutronix.de>,
        William Breathitt Gray <vilhelm.gray@...il.com>
Subject: [RESEND PATCH 3/6] counter: add new COUNTER_EVENT_CHANGE_OF_STATE

From: Oleksij Rempel <o.rempel@...gutronix.de>

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

Signed-off-by: Oleksij Rempel <o.rempel@...gutronix.de>
Link: https://lore.kernel.org/r/20220203135727.2374052-2-o.rempel@pengutronix.de
Signed-off-by: William Breathitt Gray <vilhelm.gray@...il.com>
---
 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