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: 67307c2a20c6 ("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 97b0e873e87d2e0aea2b787a4cd8daeae6de14cb..c2d6378bb897d6612119868d423de13c7ba0389b 100644 (file)
--- a/drivers/power/supply/generic-adc-battery.c
+++ b/drivers/power/supply/generic-adc-battery.c
@@ -138,6 +138,9 @@ 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;
 }