On Thu, Mar 03, 2016 at 06:17:10PM +0300, Aleksey Kuleshov wrote:
> This prevents the case when Input Core and event providers
> have to run "at one time" so Input Core will work with non-relevant
> data since it will be called first.
> ---
> drivers/input/input.c | 3 ++-
> 1 file changed, 2 insertions(+), 1 deletion(-)
I tested the approach to add a .poll callback into struct input_device
and to let the input core register one poller for all input devices
rather than one poller for each device. This also gives the input core
better control when the input devices are polled. Would that approach go
into the right direction?
I have no ready-to-post patch for this approach, partly because it doesn't
solve the double-return problem and I currently don't understand why.
Sascha
>
> diff --git a/drivers/input/input.c b/drivers/input/input.c
> index 31a9c22..1a8efc6 100644
> --- a/drivers/input/input.c
> +++ b/drivers/input/input.c
> @@ -178,11 +178,13 @@ static void input_console_notify(struct input_notifier *in,
> if (ev->value) {
> kfifo_putc(ic->fifo, ascii);
> ic->current_key = ascii;
> + poller_async_register(&ic->poller);
> poller_call_async(&ic->poller, 400 * MSECOND,
> input_console_repeat, ic);
> } else {
> ic->current_key = 0;
> poller_async_cancel(&ic->poller);
> + poller_async_unregister(&ic->poller);
> }
> }
>
> @@ -199,7 +201,6 @@ static int input_init(void)
> ic->fifo = kfifo_alloc(32);
> ic->notifier.notify = input_console_notify;
> input_register_notfier(&ic->notifier);
> - poller_async_register(&ic->poller);
>
> return console_register(&ic->console);
> }
> --
> 2.6.2
>
>
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