Re: [PATCH] ACPI LID: increment wakeup count only when notified.

From: Benson Leung
Date: Wed Jun 06 2018 - 19:11:51 EST


Hi Rafael,

On Wed, Jun 06, 2018 at 09:00:43AM +0200, Rafael J. Wysocki wrote:
> > @@ -417,6 +414,7 @@ static void acpi_button_notify(struct acpi_device *device, u32 event)
> > /* fall through */
> > case ACPI_BUTTON_NOTIFY_STATUS:
> > input = button->input;
> > + acpi_pm_wakeup_event(&device->dev);
>
> Not really.
>
> There already is an acpi_pm_wakeup_event() call in the else branch below.
>

Ravi removes that other call below. The intent for this is to call
acpi_pm_wakeup_event() regardless if the button->type is ACPI_BUTTON_TYPE_LID,
in case that event is ACPI_BUTTON_NOTIFY_STATUS.

> > if (button->type == ACPI_BUTTON_TYPE_LID) {
> > mutex_lock(&button->input->mutex);
> > users = button->input->users;
> > @@ -426,7 +424,6 @@ static void acpi_button_notify(struct acpi_device *device, u32 event)
> > } else {
> > int keycode;
> >
> > - acpi_pm_wakeup_event(&device->dev);
> > if (button->suspended)
> > break;
> >
> > --

Thanks!
Benson
--
Benson Leung
Staff Software Engineer
Chrome OS Kernel
Google Inc.
bleung@xxxxxxxxxx
Chromium OS Project
bleung@xxxxxxxxxxxx

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