pinctrl in phosphor-hwmon

[Deng Tyler]

Hi Matt:
    Thank for your response that's really helpful. I check the link and it
seems allow a gpio set to high before/after reading a correspond sensor. Is
it possible change 2 gpio to high/low for reading a correspond sensor?

Regards,
Tyler

Matt Spinler <mspinler at linux.ibm.com> 於 2019年12月9日 週一 下午10:58寫道：

>
>
> On 12/9/2019 6:15 AM, Deng Tyler wrote:
> > Hi all:
> >     Does phosphor-hwmon support changing gpio pin before read
> > /sys/class/hwmon/hwmon0/fan*_input while monitoring fan sensor? In my
> > platform, fans gpio are connect to pin-mux and I need control gpio
> > before get fan tach rpm.
>
> It does have the ability to modify a GPIO before/after a reading:
> https://github.com/openbmc/phosphor-hwmon/blob/master/mainloop.cpp#L447
>
> configured by some lines in the conf file, like:
>
> https://github.com/openbmc/meta-ibm/blob/master/meta-romulus/recipes-phosphor/sensors/phosphor-hwmon/obmc/hwmon/iio-hwmon-battery.conf#L4
>
> >
> > Regards,
> > Tyler
>
>
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