Where to place my driver

Where to place my driver

[jaap aarts]

Hello kernel newbies,

I am currently writing a driver for asetek 6th gen CPU coolers.
Communication to these coolers goes via USB, but 3/4 (but not all!!)
metrics are hwmon metrics.
There is a case for either USB or hwmon but I don't know where I am
supposed to put my driver.
There is also the 1/4, RGB controls, these obviously don't fit in
hwmon, but I don't know where to put these kinds of controls in the
filesystem.
If anyone could help me with these 2 choices I can start submitting my
first code (I already have fan control working).

Thanks,

Jaap Aarts

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Re: Where to place my driver

[Greg KH]

On Tue, Jun 23, 2020 at 10:26:33PM +0200, jaap aarts wrote:
> Hello kernel newbies,
> 
> I am currently writing a driver for asetek 6th gen CPU coolers.
> Communication to these coolers goes via USB, but 3/4 (but not all!!)
> metrics are hwmon metrics.
> There is a case for either USB or hwmon but I don't know where I am
> supposed to put my driver.
> There is also the 1/4, RGB controls, these obviously don't fit in
> hwmon, but I don't know where to put these kinds of controls in the
> filesystem.

So those tie into the led subsystem?

> If anyone could help me with these 2 choices I can start submitting my
> first code (I already have fan control working).

start with drivers/hwmon/ and if the developers there don't think that
it should be there, let them tell you where to put it :)

Also, when submitting the driver, as it talks USB, be sure to cc: the
linux-usb@vger.kernel.org mailing list to get those driver author's
review.

good luck!

greg k-h

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Re: Where to place my driver

[jaap aarts]

> So those tie into the led subsystem?
OK I did not expect that to be a thing, seems like that is what I need.

> start with drivers/hwmon/ and if the developers there don't think that
> it should be there, let them tell you where to put it :)
I will be on holiday until end of next week, I will send in the first 3 patches
for fan support when I'm back home.
I will add temps and LED later on.
Maybe I will also add fan/pump speed curve, maybe.

Thanks :)

Jaap Aarts

On Tue, 30 Jun 2020 at 08:13, Greg KH <greg@kroah.com> wrote:
>
> On Tue, Jun 23, 2020 at 10:26:33PM +0200, jaap aarts wrote:
> > Hello kernel newbies,
> >
> > I am currently writing a driver for asetek 6th gen CPU coolers.
> > Communication to these coolers goes via USB, but 3/4 (but not all!!)
> > metrics are hwmon metrics.
> > There is a case for either USB or hwmon but I don't know where I am
> > supposed to put my driver.
> > There is also the 1/4, RGB controls, these obviously don't fit in
> > hwmon, but I don't know where to put these kinds of controls in the
> > filesystem.
>
> So those tie into the led subsystem?
>
> > If anyone could help me with these 2 choices I can start submitting my
> > first code (I already have fan control working).
>
> start with drivers/hwmon/ and if the developers there don't think that
> it should be there, let them tell you where to put it :)
>
> Also, when submitting the driver, as it talks USB, be sure to cc: the
> linux-usb@vger.kernel.org mailing list to get those driver author's
> review.
>
> good luck!
>
> greg k-h

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