From: Jianhong Chen <chenjh@rock-chips.com>
Date: Mon, 13 Jul 2015 14:26:29 +0000 (+0800)
Subject: power: rk81x-battery: modify low power check threshold voltage
X-Git-Tag: firefly_0821_release~3903
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=40cec762a65bb900a5afcedf609ba263ec92f3f4;p=firefly-linux-kernel-4.4.55.git

power: rk81x-battery: modify low power check threshold voltage

Signed-off-by: Jianhong Chen <chenjh@rock-chips.com>
Signed-off-by: 许盛飞 <xsf@rock-chips.com>
---

diff --git a/drivers/power/rk818_battery.c b/drivers/power/rk818_battery.c
index 8b2fd397cfc2..b75bdb918fba 100644
--- a/drivers/power/rk818_battery.c
+++ b/drivers/power/rk818_battery.c
@@ -1268,7 +1268,7 @@ static void rk81x_bat_set_power_supply_state(struct rk81x_battery *di,
 static void rk81x_bat_lowpwr_check(struct rk81x_battery *di)
 {
 	static u64 time;
-	int pwr_off_thresd = di->pdata->power_off_thresd - 50;
+	int pwr_off_thresd = di->pdata->power_off_thresd;
 
 	if (di->current_avg < 0 &&  di->voltage < pwr_off_thresd) {
 		if (!time)
@@ -1278,6 +1278,11 @@ static void rk81x_bat_lowpwr_check(struct rk81x_battery *di)
 			rk81x_bat_set_power_supply_state(di, NO_CHARGER);
 			dev_info(di->dev, "low power....\n");
 		}
+
+		if (di->voltage <= pwr_off_thresd - 50) {
+			di->dsoc--;
+			rk81x_bat_set_power_supply_state(di, NO_CHARGER);
+		}
 	} else {
 		time = 0;
 	}