Some drivers need to be able to know the current polling interval for
devices working in polling mode, let's allow them fetching it.
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@xxxxxxxxx>
---
drivers/input/input-poller.c | 9 +++++++++
include/linux/input.h | 1 +
2 files changed, 10 insertions(+)
diff --git a/drivers/input/input-poller.c b/drivers/input/input-poller.c
index 1b3d28964bb2..7d6b4e8879f1 100644
--- a/drivers/input/input-poller.c
+++ b/drivers/input/input-poller.c
@@ -123,6 +123,15 @@ void input_set_max_poll_interval(struct input_dev *dev, unsigned int interval)
}
EXPORT_SYMBOL(input_set_max_poll_interval);
+int input_get_poll_interval(struct input_dev *dev)
+{
+ if (!dev->poller)
+ return -EINVAL;
+
+ return dev->poller->poll_interval;
+}
+EXPORT_SYMBOL(input_get_poll_interval);
+
/* SYSFS interface */
static ssize_t input_dev_get_poll_interval(struct device *dev,
diff --git a/include/linux/input.h b/include/linux/input.h
index 31da4feaa1d8..a420324b7882 100644
--- a/include/linux/input.h
+++ b/include/linux/input.h
@@ -387,6 +387,7 @@ int input_setup_polling(struct input_dev *dev,
void input_set_poll_interval(struct input_dev *dev, unsigned int interval);
void input_set_min_poll_interval(struct input_dev *dev, unsigned int interval);
void input_set_max_poll_interval(struct input_dev *dev, unsigned int interval);
+int input_get_poll_interval(struct input_dev *dev);
int __must_check input_register_handler(struct input_handler *);
void input_unregister_handler(struct input_handler *);
--
2.23.0.444.g18eeb5a265-goog
--
Dmitry
