linux-kernel - [PATCH v2 1/2] counter: add new COUNTER_EVENT_CHANGE_OF

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Message-Id: <20220203135727.2374052-2-o.rempel@pengutronix.de>
Date:   Thu,  3 Feb 2022 14:57:26 +0100
From:   Oleksij Rempel <o.rempel@...gutronix.de>
To:     William Breathitt Gray <vilhelm.gray@...il.com>
Cc:     Oleksij Rempel <o.rempel@...gutronix.de>,
        linux-kernel@...r.kernel.org,
        Pengutronix Kernel Team <kernel@...gutronix.de>,
        David Jander <david@...tonic.nl>,
        Robin van der Gracht <robin@...tonic.nl>,
        linux-iio@...r.kernel.org, Jonathan Cameron <jic23@...nel.org>
Subject: [PATCH v2 1/2] counter: add new COUNTER_EVENT_CHANGE_OF_STATE

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

Signed-off-by: Oleksij Rempel <o.rempel@...gutronix.de>
---
 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,
 };
 
 /**
-- 
2.30.2