Input: wacom - export battery scope

This will stop UPower from detecting the tablet as a power supply,
and using its battery status to hibernate or switch off the machine.

https://bugs.freedesktop.org/show_bug.cgi?id=70321

Signed-off-by: Bastien Nocera <hadess@hadess.net>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>

diff --git a/drivers/input/tablet/wacom_sys.c b/drivers/input/tablet/wacom_sys.c
index 79b69ea47f747abd035d2eb44cad9d724699ddd7..e53416a4d7f3275ea2fd8f53f6a55dcbb6de02ad 100644 (file)
--- a/drivers/input/tablet/wacom_sys.c
+++ b/drivers/input/tablet/wacom_sys.c
@@ -1031,6 +1031,7 @@ static void wacom_destroy_leds(struct wacom *wacom)
 }
 
 static enum power_supply_property wacom_battery_props[] = {
+       POWER_SUPPLY_PROP_SCOPE,
        POWER_SUPPLY_PROP_CAPACITY
 };
 
@@ -1042,6 +1043,9 @@ static int wacom_battery_get_property(struct power_supply *psy,
        int ret = 0;
 
        switch (psp) {
+               case POWER_SUPPLY_PROP_SCOPE:
+                       val->intval = POWER_SUPPLY_SCOPE_DEVICE;
+                       break;
                case POWER_SUPPLY_PROP_CAPACITY:
                        val->intval =
                                wacom->wacom_wac.battery_capacity * 100 / 31;