linux-kernel - [PATCH 3/4] power: max17042_battery: Take r_sns value into account in charge

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Date:   Wed, 25 Nov 2020 05:47:04 +0100
From:   Sebastian Krzyszkowiak <sebastian.krzyszkowiak@...i.sm>
To:     Sebastian Reichel <sre@...nel.org>
Cc:     Geordan Neukum <gneukum1@...il.com>, linux-pm@...r.kernel.org,
        linux-kernel@...r.kernel.org, kernel@...i.sm
Subject: [PATCH 3/4] power: max17042_battery: Take r_sns value into account in charge_counter

The default r_sns value was hardcoded there, so let's change it to the
actually configured one.

Signed-off-by: Sebastian Krzyszkowiak <sebastian.krzyszkowiak@...i.sm>
---
 drivers/power/supply/max17042_battery.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/power/supply/max17042_battery.c b/drivers/power/supply/max17042_battery.c
index 86adccb0f32d..26f6f89eb648 100644
--- a/drivers/power/supply/max17042_battery.c
+++ b/drivers/power/supply/max17042_battery.c
@@ -354,7 +354,8 @@ static int max17042_get_property(struct power_supply *psy,
 		if (ret < 0)
 			return ret;
 
-		val->intval = data * 1000 / 2;
+		data64 = sign_extend64(data, 15) * 5000000ll;
+		val->intval = div_s64(data64, chip->pdata->r_sns);
 		break;
 	case POWER_SUPPLY_PROP_TEMP:
 		ret = max17042_get_temperature(chip, &val->intval);
-- 
2.29.2