linux-kernel - [PATCH] power_supply: MAX8997 Charger: Provide status field with more information

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Date:	Mon, 18 Jul 2011 17:22:36 +0900
From:	Donggeun Kim <dg77.kim@...sung.com>
To:	cbou@...l.ru
Cc:	kyungmin.park@...sung.com, myungjoo.ham@...sung.com,
	dg77.kim@...sung.com, linux-kernel@...r.kernel.org
Subject: [PATCH] power_supply: MAX8997 Charger: Provide status field with more
 information

This patch provides additional three values for STATUS property.

Signed-off-by: Donggeun Kim <dg77.kim@...sung.com>
Signed-off-by: MyungJoo Ham <myungjoo.ham@...sung.com>
Signed-off-by: KyungMin Park <kyungmin.park@...sung.com>
---
 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, &reg);
 		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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