Message ID | 1494316677-26324-1-git-send-email-jacopo+renesas@jmondi.org (mailing list archive) |
---|---|
State | Accepted |
Delegated to: | Geert Uytterhoeven |
Headers | show |
Hi Jacopo, On Tue, May 9, 2017 at 9:57 AM, Jacopo Mondi <jacopo+renesas@jmondi.org> 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@glider.be> > Signed-off-by: Jacopo Mondi <jacopo+renesas@jmondi.org> # 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@glider.be> > --- > 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@linux-m68k.org 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
On 09/05/17 12:53, Geert Uytterhoeven wrote: > Hi Jacopo, > > On Tue, May 9, 2017 at 9:57 AM, Jacopo Mondi <jacopo+renesas@jmondi.org> 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@glider.be> >> Signed-off-by: Jacopo Mondi <jacopo+renesas@jmondi.org> > > # 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@glider.be> Applied to the fixes-togreg branch of iio.git. Thanks, Jonathan > >> --- >> 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@linux-m68k.org > > 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 > -- > To unsubscribe from this list: send the line "unsubscribe linux-iio" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html >
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); } static IIO_DEVICE_ATTR(in_power_shunt_resistor, 0444,
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@glider.be> Signed-off-by: Jacopo Mondi <jacopo+renesas@jmondi.org> --- drivers/iio/adc/max9611.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-)