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From: Baolin Wang <baolin.wang@linaro.org>
To: sre@kernel.org
Cc: orsonzhai@gmail.com, zhang.lyra@gmail.com,
	yuanjiang.yu@unisoc.com, baolin.wang@linaro.org,
	vincent.guittot@linaro.org, linux-pm@vger.kernel.org,
	linux-kernel@vger.kernel.org
Subject: [PATCH 6/6] power: supply: sc27xx: Add POWER_SUPPLY_PROP_CALIBRATE attribute
Date: Wed, 31 Jul 2019 18:00:28 +0800	[thread overview]
Message-ID: <554dd7e2ef4f3c5247322d8b185607748144b1e6.1564566425.git.baolin.wang@linaro.org> (raw)
In-Reply-To: <cover.1564566425.git.baolin.wang@linaro.org>
In-Reply-To: <cover.1564566425.git.baolin.wang@linaro.org>

From: Yuanjiang Yu <yuanjiang.yu@unisoc.com>

Add the 'POWER_SUPPLY_PROP_CALIBRATE' attribute to allow chareger manager
to calibrate the battery capacity.

Signed-off-by: Yuanjiang Yu <yuanjiang.yu@unisoc.com>
Signed-off-by: Baolin Wang <baolin.wang@linaro.org>
---
 drivers/power/supply/sc27xx_fuel_gauge.c |   27 +++++++++++++++++++--------
 1 file changed, 19 insertions(+), 8 deletions(-)

diff --git a/drivers/power/supply/sc27xx_fuel_gauge.c b/drivers/power/supply/sc27xx_fuel_gauge.c
index fa85f40..6363c48 100644
--- a/drivers/power/supply/sc27xx_fuel_gauge.c
+++ b/drivers/power/supply/sc27xx_fuel_gauge.c
@@ -111,6 +111,7 @@ struct sc27xx_fgu_data {
 static int sc27xx_fgu_cap_to_clbcnt(struct sc27xx_fgu_data *data, int capacity);
 static void sc27xx_fgu_capacity_calibration(struct sc27xx_fgu_data *data,
 					    int cap, int int_mode);
+static void sc27xx_fgu_adjust_cap(struct sc27xx_fgu_data *data, int cap);
 
 static const char * const sc27xx_charger_supply_name[] = {
 	"sc2731_charger",
@@ -610,17 +611,25 @@ static int sc27xx_fgu_set_property(struct power_supply *psy,
 	struct sc27xx_fgu_data *data = power_supply_get_drvdata(psy);
 	int ret;
 
-	if (psp != POWER_SUPPLY_PROP_CAPACITY)
-		return -EINVAL;
-
 	mutex_lock(&data->lock);
 
-	ret = sc27xx_fgu_save_last_cap(data, val->intval);
+	switch (psp) {
+	case POWER_SUPPLY_PROP_CAPACITY:
+		ret = sc27xx_fgu_save_last_cap(data, val->intval);
+		if (ret < 0)
+			dev_err(data->dev, "failed to save battery capacity\n");
+		break;
 
-	mutex_unlock(&data->lock);
+	case POWER_SUPPLY_PROP_CALIBRATE:
+		sc27xx_fgu_adjust_cap(data, val->intval);
+		ret = 0;
+		break;
 
-	if (ret < 0)
-		dev_err(data->dev, "failed to save battery capacity\n");
+	default:
+		ret = -EINVAL;
+	}
+
+	mutex_unlock(&data->lock);
 
 	return ret;
 }
@@ -635,7 +644,8 @@ static void sc27xx_fgu_external_power_changed(struct power_supply *psy)
 static int sc27xx_fgu_property_is_writeable(struct power_supply *psy,
 					    enum power_supply_property psp)
 {
-	return psp == POWER_SUPPLY_PROP_CAPACITY;
+	return psp == POWER_SUPPLY_PROP_CAPACITY ||
+		psp == POWER_SUPPLY_PROP_CALIBRATE;
 }
 
 static enum power_supply_property sc27xx_fgu_props[] = {
@@ -651,6 +661,7 @@ static int sc27xx_fgu_property_is_writeable(struct power_supply *psy,
 	POWER_SUPPLY_PROP_CURRENT_AVG,
 	POWER_SUPPLY_PROP_CONSTANT_CHARGE_VOLTAGE,
 	POWER_SUPPLY_PROP_ENERGY_FULL_DESIGN,
+	POWER_SUPPLY_PROP_CALIBRATE,
 };
 
 static const struct power_supply_desc sc27xx_fgu_desc = {
-- 
1.7.9.5


  parent reply	other threads:[~2019-07-31 10:01 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-07-31 10:00 [PATCH 0/6] Optimize the Spreadtrum SC27xx fuel gauge Baolin Wang
2019-07-31 10:00 ` [PATCH 1/6] power: supply: sc27xx: Add POWER_SUPPLY_PROP_ENERGY_FULL_DESIGN attribute Baolin Wang
2019-07-31 10:00 ` [PATCH 2/6] power: supply: sc27xx: Fix conditon to enable the FGU interrupt Baolin Wang
2019-07-31 10:00 ` [PATCH 3/6] power: supply: sc27xx: Fix the the accuracy issue of coulomb calculation Baolin Wang
2019-07-31 10:00 ` [PATCH 4/6] power: supply: sc27xx: Optimize the battery capacity calibration Baolin Wang
2019-07-31 10:00 ` [PATCH 5/6] power: supply: sc27xx: Make sure the alarm capacity is larger than 0 Baolin Wang
2019-07-31 10:00 ` Baolin Wang [this message]
2019-09-02 21:04 ` [PATCH 0/6] Optimize the Spreadtrum SC27xx fuel gauge Sebastian Reichel
2019-09-03  1:34   ` Baolin Wang

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