From: Sebastian Reichel <sre@kernel.org>
Date: Fri, 17 Mar 2023 22:56:57 +0000 (+0100)
Subject: power: supply: generic-adc-battery: fix unit scaling
X-Git-Tag: v6.2.15~124
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=596d799e9757350f620998f788046ef9e01f32dd;p=thirdparty%2Fkernel%2Fstable.git

power: supply: generic-adc-battery: fix unit scaling

[ Upstream commit 44263f50065969f2344808388bd589740f026167 ]

power-supply properties are reported in µV, µA and µW.
The IIO API provides mV, mA, mW, so the values need to
be multiplied by 1000.

Fixes: e60fea794e6e ("power: battery: Generic battery driver using IIO")
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Reviewed-by: Matti Vaittinen <mazziesaccount@gmail.com>
Signed-off-by: Sebastian Reichel <sre@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---

diff --git a/drivers/power/supply/generic-adc-battery.c b/drivers/power/supply/generic-adc-battery.c
index 66039c665dd1e..0af536f4932f1 100644
--- a/drivers/power/supply/generic-adc-battery.c
+++ b/drivers/power/supply/generic-adc-battery.c
@@ -135,6 +135,9 @@ static int read_channel(struct gab *adc_bat, enum power_supply_property psp,
 			result);
 	if (ret < 0)
 		pr_err("read channel error\n");
+	else
+		*result *= 1000;
+
 	return ret;
 }