Added section in Documentation/input/input-programming.rst about input_setup_polling() and input_set_poll_interval() Signed-off-by: Brendan Connelly <brendanjconnelly17@xxxxxxxxx> --- Documentation/input/input-programming.rst | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) diff --git a/Documentation/input/input-programming.rst b/Documentation/input/input-programming.rst index c9264814c7aa..2b3e6a34e34b 100644 --- a/Documentation/input/input-programming.rst +++ b/Documentation/input/input-programming.rst @@ -346,3 +346,22 @@ driver can handle these events, it has to set the respective bits in evbit, This callback routine can be called from an interrupt or a BH (although that isn't a rule), and thus must not sleep, and must not take too long to finish. + +Polled input devices +~~~~~~~~~~~~~~~~~~~~ + +Input polling is set up by passing an input device struct and a callback to +the function:: + + int input_setup_polling(struct input_dev *dev, + void (*poll_fn)(struct input_dev *dev)) + +Within the callback, devices should use the regular input_report_* functions +and input_sync as is used by other devices. + +There is also the function:: + + void input_set_poll_interval(struct input_dev *dev, unsigned int interval) + +which is used to configure the interval, in milliseconds, that the device will +be polled at. -- 2.39.5
