Clarify the possible values of event id, rather than requiring the
reader to infer.
Signed-off-by: Kent Gibson <[email protected]>
---
include/uapi/linux/gpio.h | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/include/uapi/linux/gpio.h b/include/uapi/linux/gpio.h
index 3ba8996e496c..e68a56969f36 100644
--- a/include/uapi/linux/gpio.h
+++ b/include/uapi/linux/gpio.h
@@ -490,7 +490,8 @@ struct gpioevent_request {
/**
* struct gpioevent_data - The actual event being pushed to userspace
* @timestamp: best estimate of time of event occurrence, in nanoseconds
- * @id: event identifier
+ * @id: event identifier, one of %GPIOEVENT_EVENT_RISING_EDGE or
+ * %GPIOEVENT_EVENT_FALLING_EDGE
*
* Note: This struct is part of ABI v1 and is deprecated.
* Use &struct gpio_v2_line_event instead.
--
2.39.2