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Input: add input_get_poll_interval() 

Some drivers need to be able to know the current polling interval for
devices working in polling mode, let's allow them fetching it.

Acked-By: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Tested-by: Michal Vokáč <michal.vokac@ysoft.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
This commit is contained in:
Dmitry Torokhov 2019-10-02 10:20:19 -07:00
parent 463fa44eec
commit 894616f792
2 changed files with 10 additions and 0 deletions
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9
drivers/input/input-poller.c
View File

@ -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,

1
include/linux/input.h
View File

@ -383,6 +383,7 @@ 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 *);