Hi Jacopo,
On Tue, May 9, 2017 at 9:57 AM, Jacopo Mondi <jacopo+renesas@xxxxxxxxxx> wrote:
> The power and current "shunt-resistor" attribute's 'show' function
> displays the resistor value in milli-Ohms, while the ABI description
> specifies it should be displayed in Ohms. Fix it.
>
> Reported-by: Geert Uytterhoeven <geert+renesas@xxxxxxxxx>
> Signed-off-by: Jacopo Mondi <jacopo+renesas@xxxxxxxxxx>
# cat /sys/bus/iio/devices/iio:device*/in_*_shunt_resistor
0.005000
0.005000
0.005000
0.005000
#
$ grep shunt-resistor -- arch/arm64/boot/dts/renesas/salvator-x.dtsi
shunt-resistor-micro-ohms = <5000>;
shunt-resistor-micro-ohms = <5000>;
$
Tested-by: Geert Uytterhoeven <geert+renesas@xxxxxxxxx>
> ---
> drivers/iio/adc/max9611.c | 6 +++---
> 1 file changed, 3 insertions(+), 3 deletions(-)
>
> diff --git a/drivers/iio/adc/max9611.c b/drivers/iio/adc/max9611.c
> index ec82106..4580ebd 100644
> --- a/drivers/iio/adc/max9611.c
> +++ b/drivers/iio/adc/max9611.c
> @@ -438,10 +438,10 @@ static ssize_t max9611_shunt_resistor_show(struct device *dev,
> struct max9611_dev *max9611 = iio_priv(dev_to_iio_dev(dev));
> unsigned int i, r;
>
> - i = max9611->shunt_resistor_uohm / 1000;
> - r = max9611->shunt_resistor_uohm % 1000;
> + i = max9611->shunt_resistor_uohm / 1000000;
> + r = max9611->shunt_resistor_uohm % 1000000;
>
> - return sprintf(buf, "%u.%03u\n", i, r);
> + return sprintf(buf, "%u.%06u\n", i, r);
> }
Gr{oetje,eeting}s,
Geert
--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@xxxxxxxxxxxxxx
In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
-- Linus Torvalds
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