platform/x86: surfacepro3: Support for wakeup from suspend-to-idle
Modify surface_button_notify() to make it wake up the system from suspend-to-idle (by reporting "hard" wakeup events while suspended) and add wakeup initialization to surface_button_add() for wakeup events reported by this driver to work at all. Link: https://bugzilla.kernel.org/show_bug.cgi?id=198389 Reported-by: Valentin Manea <valy@mrs.ro> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> Acked-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Tested-by: Valentin Manea <valy@mrs.ro>
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@ -119,7 +119,7 @@ static void surface_button_notify(struct acpi_device *device, u32 event)
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if (key_code == KEY_RESERVED)
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return;
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if (pressed)
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pm_wakeup_event(&device->dev, 0);
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pm_wakeup_dev_event(&device->dev, 0, button->suspended);
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if (button->suspended)
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return;
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input_report_key(input, key_code, pressed?1:0);
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@ -185,6 +185,8 @@ static int surface_button_add(struct acpi_device *device)
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error = input_register_device(input);
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if (error)
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goto err_free_input;
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device_init_wakeup(&device->dev, true);
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dev_info(&device->dev,
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"%s [%s]\n", name, acpi_device_bid(device));
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return 0;
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