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authorMark Brown <broonie@opensource.wolfsonmicro.com>2009-07-10 16:28:33 +0100
committerAnton Vorontsov <avorontsov@ru.mvista.com>2009-07-14 18:05:56 +0400
commit4aed03ae58946c716c8e3f7060f8b500b8a8e30f (patch)
treebca2c746e23d24e0ba72ff1c394d1cc013a74a26 /drivers/power/wm8350_power.c
parentee8076ed3e1cdd0cd1e61318386932669c90b92f (diff)
downloadblackbird-op-linux-4aed03ae58946c716c8e3f7060f8b500b8a8e30f.tar.gz
blackbird-op-linux-4aed03ae58946c716c8e3f7060f8b500b8a8e30f.zip
wm8350_power: Implement charge type property
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Signed-off-by: Anton Vorontsov <cbouatmailru@gmail.com>
Diffstat (limited to 'drivers/power/wm8350_power.c')
-rw-r--r--drivers/power/wm8350_power.c22
1 files changed, 22 insertions, 0 deletions
diff --git a/drivers/power/wm8350_power.c b/drivers/power/wm8350_power.c
index 1b16bf343f2f..28b0299c0043 100644
--- a/drivers/power/wm8350_power.c
+++ b/drivers/power/wm8350_power.c
@@ -321,6 +321,24 @@ static int wm8350_bat_check_health(struct wm8350 *wm8350)
return POWER_SUPPLY_HEALTH_GOOD;
}
+static int wm8350_bat_get_charge_type(struct wm8350 *wm8350)
+{
+ int state;
+
+ state = wm8350_reg_read(wm8350, WM8350_BATTERY_CHARGER_CONTROL_2) &
+ WM8350_CHG_STS_MASK;
+ switch (state) {
+ case WM8350_CHG_STS_OFF:
+ return POWER_SUPPLY_CHARGE_TYPE_NONE;
+ case WM8350_CHG_STS_TRICKLE:
+ return POWER_SUPPLY_CHARGE_TYPE_TRICKLE;
+ case WM8350_CHG_STS_FAST:
+ return POWER_SUPPLY_CHARGE_TYPE_FAST;
+ default:
+ return POWER_SUPPLY_CHARGE_TYPE_UNKNOWN;
+ }
+}
+
static int wm8350_bat_get_property(struct power_supply *psy,
enum power_supply_property psp,
union power_supply_propval *val)
@@ -342,6 +360,9 @@ static int wm8350_bat_get_property(struct power_supply *psy,
case POWER_SUPPLY_PROP_HEALTH:
val->intval = wm8350_bat_check_health(wm8350);
break;
+ case POWER_SUPPLY_PROP_CHARGE_TYPE:
+ val->intval = wm8350_bat_get_charge_type(wm8350);
+ break;
default:
ret = -EINVAL;
break;
@@ -355,6 +376,7 @@ static enum power_supply_property wm8350_bat_props[] = {
POWER_SUPPLY_PROP_ONLINE,
POWER_SUPPLY_PROP_VOLTAGE_NOW,
POWER_SUPPLY_PROP_HEALTH,
+ POWER_SUPPLY_PROP_CHARGE_TYPE,
};
/*********************************************************************
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