linux-kernel - [PATCH 2/2] power: supply: sbs-battery: add support for time_to_empty

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Message-Id: <7238b56cca93c8101288b069fd044024da81db1f.1626678985.git.matthias.schiffer@ew.tq-group.com>
Date:   Mon, 19 Jul 2021 09:20:19 +0200
From:   Matthias Schiffer <matthias.schiffer@...tq-group.com>
To:     Sebastian Reichel <sre@...nel.org>
Cc:     linux-pm@...r.kernel.org, linux-kernel@...r.kernel.org,
        Matthias Schiffer <matthias.schiffer@...tq-group.com>
Subject: [PATCH 2/2] power: supply: sbs-battery: add support for time_to_empty_now attribute

As defined by the Smart Battery Data Specification.

An _AVG suffix is added to the enum values REG_TIME_TO_EMPTY and
REG_TIME_TO_FULL to make the distinction clear.

Signed-off-by: Matthias Schiffer <matthias.schiffer@...tq-group.com>
---
 drivers/power/supply/sbs-battery.c | 14 ++++++++++----
 1 file changed, 10 insertions(+), 4 deletions(-)

diff --git a/drivers/power/supply/sbs-battery.c b/drivers/power/supply/sbs-battery.c
index 3d6b8247d450..c4a95b01463a 100644
--- a/drivers/power/supply/sbs-battery.c
+++ b/drivers/power/supply/sbs-battery.c
@@ -31,8 +31,9 @@ enum {
 	REG_CURRENT_AVG,
 	REG_MAX_ERR,
 	REG_CAPACITY,
-	REG_TIME_TO_EMPTY,
-	REG_TIME_TO_FULL,
+	REG_TIME_TO_EMPTY_NOW,
+	REG_TIME_TO_EMPTY_AVG,
+	REG_TIME_TO_FULL_AVG,
 	REG_STATUS,
 	REG_CAPACITY_LEVEL,
 	REG_CYCLE_COUNT,
@@ -119,9 +120,11 @@ static const struct chip_data {
 		SBS_DATA(POWER_SUPPLY_PROP_ENERGY_FULL, 0x10, 0, 65535),
 	[REG_FULL_CHARGE_CAPACITY_CHARGE] =
 		SBS_DATA(POWER_SUPPLY_PROP_CHARGE_FULL, 0x10, 0, 65535),
-	[REG_TIME_TO_EMPTY] =
+	[REG_TIME_TO_EMPTY_NOW] =
+		SBS_DATA(POWER_SUPPLY_PROP_TIME_TO_EMPTY_NOW, 0x11, 0, 65535),
+	[REG_TIME_TO_EMPTY_AVG] =
 		SBS_DATA(POWER_SUPPLY_PROP_TIME_TO_EMPTY_AVG, 0x12, 0, 65535),
-	[REG_TIME_TO_FULL] =
+	[REG_TIME_TO_FULL_AVG] =
 		SBS_DATA(POWER_SUPPLY_PROP_TIME_TO_FULL_AVG, 0x13, 0, 65535),
 	[REG_CHARGE_CURRENT] =
 		SBS_DATA(POWER_SUPPLY_PROP_CONSTANT_CHARGE_CURRENT_MAX, 0x14, 0, 65535),
@@ -165,6 +168,7 @@ static const enum power_supply_property sbs_properties[] = {
 	POWER_SUPPLY_PROP_CAPACITY,
 	POWER_SUPPLY_PROP_CAPACITY_ERROR_MARGIN,
 	POWER_SUPPLY_PROP_TEMP,
+	POWER_SUPPLY_PROP_TIME_TO_EMPTY_NOW,
 	POWER_SUPPLY_PROP_TIME_TO_EMPTY_AVG,
 	POWER_SUPPLY_PROP_TIME_TO_FULL_AVG,
 	POWER_SUPPLY_PROP_SERIAL_NUMBER,
@@ -748,6 +752,7 @@ static void  sbs_unit_adjustment(struct i2c_client *client,
 		val->intval -= TEMP_KELVIN_TO_CELSIUS;
 		break;
 
+	case POWER_SUPPLY_PROP_TIME_TO_EMPTY_NOW:
 	case POWER_SUPPLY_PROP_TIME_TO_EMPTY_AVG:
 	case POWER_SUPPLY_PROP_TIME_TO_FULL_AVG:
 		/* sbs provides time to empty and time to full in minutes.
@@ -966,6 +971,7 @@ static int sbs_get_property(struct power_supply *psy,
 	case POWER_SUPPLY_PROP_CURRENT_NOW:
 	case POWER_SUPPLY_PROP_CURRENT_AVG:
 	case POWER_SUPPLY_PROP_TEMP:
+	case POWER_SUPPLY_PROP_TIME_TO_EMPTY_NOW:
 	case POWER_SUPPLY_PROP_TIME_TO_EMPTY_AVG:
 	case POWER_SUPPLY_PROP_TIME_TO_FULL_AVG:
 	case POWER_SUPPLY_PROP_VOLTAGE_MIN_DESIGN:
-- 
2.17.1