On Mon, Nov 21, 2022 at 2:39 PM Martin Kurbanov
<mmkurbanov@xxxxxxxxxxxxxx> wrote:
>
> In the current moment, userspace caller can schedule LED pattern with
a LED pattern
> appropriate parameters, but it doesn't have ability to listen to any
> events indicated pattern finished. This patch implements such an event
> using sysfs node and sysfs_notify_dirent() call.
...
> +Date: October 2022
> +KernelVersion: 6.1
It can't be. Have you read my previous comments?
...
> + 1 means pattern is running and number 0 are finish or not run.
are finished
...
> +static void pattern_trig_remove_is_running(struct led_classdev *led_cdev)
> +{
> + struct pattern_trig_data *data = led_get_trigger_data(led_cdev);
> +
> + sysfs_put(data->is_running_kn);
> + device_remove_file(led_cdev->dev, &dev_attr_is_running);
> +}
If the file is opened at this time, what would happen during execution
of this function?
--
With Best Regards,
Andy Shevchenko
