Messages in this thread | | | Date | Mon, 23 Jul 2018 00:02:35 +0200 | From | Sebastian Reichel <> | Subject | Re: [PATCH 2/2] power: supply: lego_ev3_battery: fix Vce offset |
| |
Hi,
On Fri, Jul 20, 2018 at 03:19:44PM -0500, David Lechner wrote: > This fixes the value that accounts for the Vce of a transistor in the > LEGO MINDSTORMS EV3 power supply driver. The old value (200mV) was the > max value from the data sheet. After testing, the actual value has been > found to be 50mV. By using 50mV we get a more accurate voltage > indication. > > Signed-off-by: David Lechner <david@lechnology.com> > ---
Thanks, queued to power-supply's for-next branch.
-- Sebastian
> drivers/power/supply/lego_ev3_battery.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/drivers/power/supply/lego_ev3_battery.c b/drivers/power/supply/lego_ev3_battery.c > index 6e3b3e384172..1ae3710909b7 100644 > --- a/drivers/power/supply/lego_ev3_battery.c > +++ b/drivers/power/supply/lego_ev3_battery.c > @@ -52,7 +52,7 @@ static int lego_ev3_battery_get_property(struct power_supply *psy, > return ret; > > val->intval *= 2000; > - val->intval += 200000; > + val->intval += 50000; > > /* plus adjust for shunt resistor drop */ > ret = iio_read_channel_processed(batt->iio_i, &val2); > -- > 2.17.1 > [unhandled content-type:application/pgp-signature] | |