From: Rafael J. Wysocki <rafael.j.wysocki@xxxxxxxxx> 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@xxxxxx> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@xxxxxxxxx> --- drivers/platform/x86/surfacepro3_button.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) Index: linux-pm/drivers/platform/x86/surfacepro3_button.c =================================================================== --- linux-pm.orig/drivers/platform/x86/surfacepro3_button.c +++ linux-pm/drivers/platform/x86/surfacepro3_button.c @@ -119,7 +119,7 @@ static void surface_button_notify(struct if (key_code == KEY_RESERVED) return; if (pressed) - pm_wakeup_event(&device->dev, 0); + pm_wakeup_dev_event(&device->dev, 0, button->suspended); if (button->suspended) return; input_report_key(input, key_code, pressed?1:0); @@ -185,6 +185,8 @@ static int surface_button_add(struct acp error = input_register_device(input); if (error) goto err_free_input; + + device_init_wakeup(&device->dev, true); dev_info(&device->dev, "%s [%s]\n", name, acpi_device_bid(device)); return 0;
