linux-kernel - Re: [PATCH] hwmon: add driver for Aquacomputer Farbwerk 360

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Date:   Sat, 26 Feb 2022 18:00:57 +0100
From:   Aleksa Savic <savicaleksa83@...il.com>
To:     Guenter Roeck <linux@...ck-us.net>
Cc:     linux-hwmon@...r.kernel.org, Jean Delvare <jdelvare@...e.com>,
        Jonathan Corbet <corbet@....net>, linux-doc@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] hwmon: add driver for Aquacomputer Farbwerk 360

On Sat, Feb 26, 2022 at 07:31:34AM -0800, Guenter Roeck wrote:
> On 2/26/22 07:09, Aleksa Savic wrote:
> > Hi,
> > 
> > On Thu, Feb 24, 2022 at 11:57:47AM -0800, Guenter Roeck wrote:
> > > Hi,
> > > 
> > > On 2/21/22 02:21, Aleksa Savic wrote:
> > > > This driver exposes hardware temperature sensors of the Aquacomputer
> > > > Farbwerk 360 RGB controller, which communicates through a proprietary
> > > > USB HID protocol.
> > > > 
> > > > Four temperature sensors are available. If a sensor is not connected,
> > > > it will report zeroes. Additionally, serial number and firmware version
> > > > are exposed through debugfs.
> > > > 
> > > > This driver has been tested on x86_64.
> > > > 
> > > > Signed-off-by: Aleksa Savic <savicaleksa83@...il.com>
> > > 
> > > Unless I amm missing something, this driver is quite similar to the
> > > d5next driver (drivers/hwmon/aquacomputer_d5next.c), except that there
> > > are 4 instead of 1 temperature sensor, the sensor data is in a different place,
> > > and there is _only_ temperature data. It should be quite straightforward
> > > to merge the two drivers into one, so please  do that.
> > > 
> > > Additional comment inline.
> > > 
> > > Thanks,
> > > Guenter
> > 
> > Yes, it's very similar, I based this one on that. I'll send a patch for
> > the original driver. I also have code ready for Aquacomputer Octo (8 fans, 4
> > temperature sensors, very similar to all this as well) with PWM write control
> > support for the fans. And there is also WIP code for PWM and curve support for
> > the D5 Next from contributors on my github repo, though we're working on that.
> > 
> > Considering that the driver would then contain support for more devices (the D5
> > Next and the Farbwerk 360 for now), can it be renamed to just aquacomputer or
> > something similar?
> > 
> 
> We don't normally do that (because the Kconfig symbol is already established)
> and just name the driver for the first chip (or, in this case, controller)
> it supports.
> 
> Guenter

Got it.

Thanks,
Aleksa