[PATCH] power_supply: MAX8997 Charger: Provide status field with moreinformation
From: Donggeun Kim
Date: Mon Jul 18 2011 - 04:23:24 EST
This patch provides additional three values for STATUS property.
Signed-off-by: Donggeun Kim <dg77.kim@xxxxxxxxxxx>
Signed-off-by: MyungJoo Ham <myungjoo.ham@xxxxxxxxxxx>
Signed-off-by: KyungMin Park <kyungmin.park@xxxxxxxxxxx>
---
drivers/power/max8997_charger.c | 9 +++++++++
1 files changed, 9 insertions(+), 0 deletions(-)
diff --git a/drivers/power/max8997_charger.c b/drivers/power/max8997_charger.c
index 7106b49..790b325 100644
--- a/drivers/power/max8997_charger.c
+++ b/drivers/power/max8997_charger.c
@@ -55,8 +55,17 @@ static int max8997_battery_get_property(struct power_supply *psy,
ret = max8997_read_reg(i2c, MAX8997_REG_STATUS4, ®);
if (ret)
return ret;
+
if ((reg & (1 << 0)) == 0x1)
val->intval = POWER_SUPPLY_STATUS_FULL;
+ else if ((reg & (1 << 1)) && !(reg & (1 << 2)) &&
+ (reg & (1 << 3)) && (reg & (3 << 4)) &&
+ !(reg & (1 << 6)))
+ val->intval = POWER_SUPPLY_STATUS_CHARGING;
+ else if ((reg & (1 << 1)) && !(reg & (1 << 6)))
+ val->intval = POWER_SUPPLY_STATUS_NOT_CHARGING;
+ else
+ val->intval = POWER_SUPPLY_STATUS_DISCHARGING;
break;
case POWER_SUPPLY_PROP_PRESENT:
--
1.7.4.1
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