From: Rafael J. Wysocki <[email protected]>

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 <[email protected]>
Signed-off-by: Rafael J. Wysocki <[email protected]>
---
 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;

Reply via email to