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counter: add new COUNTER_EVENT_CHANGE_OF_STATE

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

Link: https://lore.kernel.org/r/20220203135727.2374052-2-o.rempel@pengutronix.de
Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de>
Signed-off-by: William Breathitt Gray <vilhelm.gray@gmail.com>
Link: https://lore.kernel.org/r/486a5de67414470449efb84d06a2f2214f4bb31d.1647373009.git.vilhelm.gray@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Oleksij Rempel 2022-03-15 15:38:54 -04:00 committed by Greg Kroah-Hartman
parent 4da08477ea
commit 73799a8892
1 changed files with 2 additions and 0 deletions
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2
include/uapi/linux/counter.h
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@ -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,
};
/**