From 5525b57efc9869520399305706cfe301f4346e40 Mon Sep 17 00:00:00 2001
From: Chen Shunqing <csq@rock-chips.com>
Date: Fri, 14 Jan 2022 11:20:48 +0800
Subject: [PATCH] power: supply: bq25703a: set low power mode when suspend

Signed-off-by: Chen Shunqing <csq@rock-chips.com>
Change-Id: I9dd19a3314293178c03464ae55fd3dc564089dd7
---
 drivers/power/supply/bq25700_charger.c | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/drivers/power/supply/bq25700_charger.c b/drivers/power/supply/bq25700_charger.c
index 8dd9f8478848..3a4c487b4e1a 100644
--- a/drivers/power/supply/bq25700_charger.c
+++ b/drivers/power/supply/bq25700_charger.c
@@ -2069,11 +2069,20 @@ static void bq25700_shutdown(struct i2c_client *client)
 #ifdef CONFIG_PM_SLEEP
 static int bq25700_pm_suspend(struct device *dev)
 {
+	struct bq25700_device *charger = dev_get_drvdata(dev);
+
+	if (!bq25700_field_read(charger, AC_STAT))
+		bq25700_field_write(charger, EN_LWPWR, 1);
+
 	return 0;
 }
 
 static int bq25700_pm_resume(struct device *dev)
 {
+	struct bq25700_device *charger = dev_get_drvdata(dev);
+
+	bq25700_field_write(charger, EN_LWPWR, 0);
+
 	return 0;
 }
 #endif