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power_supply: add scope properties to some self-powered HID devices

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The Wacom and Wiimote HID drivers register power supplies for themselves
to indicate their battery levels.  Make those power supplies device scope.

Signed-off-by: Jeremy Fitzhardinge <jeremy@goop.org>
Cc: Jiri Kosina <jkosina@suse.cz>
This commit is contained in:
Jeremy Fitzhardinge 2011-12-07 11:29:46 -08:00
parent 8351665195
commit 73db88137b
2 changed files with 17 additions and 3 deletions
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12
drivers/hid/hid-wacom.c
View file

@ -47,12 +47,14 @@ static unsigned short batcap[8] = { 1, 15, 25, 35, 50, 70, 100, 0 };
static enum power_supply_property wacom_battery_props[] = {
POWER_SUPPLY_PROP_PRESENT,
POWER_SUPPLY_PROP_CAPACITY
POWER_SUPPLY_PROP_CAPACITY,
POWER_SUPPLY_PROP_SCOPE,
};
static enum power_supply_property wacom_ac_props[] = {
POWER_SUPPLY_PROP_PRESENT,
POWER_SUPPLY_PROP_ONLINE
POWER_SUPPLY_PROP_ONLINE,
POWER_SUPPLY_PROP_SCOPE,
};
static int wacom_battery_get_property(struct power_supply *psy,
@ -68,6 +70,9 @@ static int wacom_battery_get_property(struct power_supply *psy,
case POWER_SUPPLY_PROP_PRESENT:
val->intval = 1;
break;
case POWER_SUPPLY_PROP_SCOPE:
val->intval = POWER_SUPPLY_SCOPE_DEVICE;
break;
case POWER_SUPPLY_PROP_CAPACITY:
/* show 100% battery capacity when charging */
if (power_state == 0)
@ -99,6 +104,9 @@ static int wacom_ac_get_property(struct power_supply *psy,
else
val->intval = 0;
break;
case POWER_SUPPLY_PROP_SCOPE:
val->intval = POWER_SUPPLY_SCOPE_DEVICE;
break;
default:
ret = -EINVAL;
break;

8
drivers/hid/hid-wiimote.c
View file

@ -136,7 +136,8 @@ static __u16 wiiproto_keymap[] = {
};
static enum power_supply_property wiimote_battery_props[] = {
POWER_SUPPLY_PROP_CAPACITY
POWER_SUPPLY_PROP_CAPACITY,
POWER_SUPPLY_PROP_SCOPE,
};
/* requires the state.lock spinlock to be held */
@ -468,6 +469,11 @@ static int wiimote_battery_get_property(struct power_supply *psy,
int ret = 0, state;
unsigned long flags;
if (psp == POWER_SUPPLY_PROP_SCOPE) {
val->intval = POWER_SUPPLY_SCOPE_DEVICE;
return 0;
}
ret = wiimote_cmd_acquire(wdata);
if (ret)
return ret;