linux-kernel - Re: [PATCH v2 5/6] hwmon: (aquacomputer_d5next) Add temperature offset control for Aquaero

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Date:   Sun, 12 Mar 2023 10:45:39 -0700
From:   Guenter Roeck <linux@...ck-us.net>
To:     Leonard Anderweit <leonard.anderweit@...il.com>
Cc:     linux-hwmon@...r.kernel.org,
        Aleksa Savic <savicaleksa83@...il.com>,
        Jack Doan <me@...kdoan.com>, Jean Delvare <jdelvare@...e.com>,
        Jonathan Corbet <corbet@....net>, linux-doc@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 5/6] hwmon: (aquacomputer_d5next) Add temperature
 offset control for Aquaero

On Tue, Feb 14, 2023 at 11:02:20PM +0100, Leonard Anderweit wrote:
> Adds control over the Aquacomputer Aquaero temperature offset for all eight
> temperature sensors.
> 
> Signed-off-by: Leonard Anderweit <leonard.anderweit@...il.com>

Applied.

Thanks,
Guenter

> ---
>  Documentation/hwmon/aquacomputer_d5next.rst |  4 ++--
>  drivers/hwmon/aquacomputer_d5next.c         | 12 ++++++++----
>  2 files changed, 10 insertions(+), 6 deletions(-)
> 
> diff --git a/Documentation/hwmon/aquacomputer_d5next.rst b/Documentation/hwmon/aquacomputer_d5next.rst
> index 7d0d015b1a52..618c826093a2 100644
> --- a/Documentation/hwmon/aquacomputer_d5next.rst
> +++ b/Documentation/hwmon/aquacomputer_d5next.rst
> @@ -25,7 +25,7 @@ communicate through proprietary USB HID protocols.
>  
>  The Aquaero devices expose eight physical, eight virtual and four calculated
>  virtual temperature sensors, as well as two flow sensors. The fans expose their
> -speed (in RPM), power, voltage and current.
> +speed (in RPM), power, voltage and current. Temperature offsets can be controlled.
>  
>  For the D5 Next pump, available sensors are pump and fan speed, power, voltage
>  and current, as well as coolant temperature and eight virtual temp sensors. Also
> @@ -75,7 +75,7 @@ Sysfs entries
>  
>  ================ ==============================================================
>  temp[1-20]_input Physical/virtual temperature sensors (in millidegrees Celsius)
> -temp[1-4]_offset Temperature sensor correction offset (in millidegrees Celsius)
> +temp[1-8]_offset Temperature sensor correction offset (in millidegrees Celsius)
>  fan[1-8]_input   Pump/fan speed (in RPM) / Flow speed (in dL/h)
>  fan5_pulses      Quadro flow sensor pulses
>  power[1-8]_input Pump/fan power (in micro Watts)
> diff --git a/drivers/hwmon/aquacomputer_d5next.c b/drivers/hwmon/aquacomputer_d5next.c
> index eb185318098a..61c1ffcd8f3b 100644
> --- a/drivers/hwmon/aquacomputer_d5next.c
> +++ b/drivers/hwmon/aquacomputer_d5next.c
> @@ -116,6 +116,9 @@ static u8 aquaero_secondary_ctrl_report[] = {
>  #define AQUAERO_FAN_SPEED_OFFSET		0x00
>  static u16 aquaero_sensor_fan_offsets[] = { 0x167, 0x173, 0x17f, 0x18B };
>  
> +/* Control report offsets for the Aquaero fan controllers */
> +#define AQUAERO_TEMP_CTRL_OFFSET	0xdb
> +
>  /* Specs of the D5 Next pump */
>  #define D5NEXT_NUM_FANS			2
>  #define D5NEXT_NUM_SENSORS		1
> @@ -988,10 +991,10 @@ static const struct hwmon_channel_info *aqc_info[] = {
>  			   HWMON_T_INPUT | HWMON_T_LABEL | HWMON_T_OFFSET,
>  			   HWMON_T_INPUT | HWMON_T_LABEL | HWMON_T_OFFSET,
>  			   HWMON_T_INPUT | HWMON_T_LABEL | HWMON_T_OFFSET,
> -			   HWMON_T_INPUT | HWMON_T_LABEL,
> -			   HWMON_T_INPUT | HWMON_T_LABEL,
> -			   HWMON_T_INPUT | HWMON_T_LABEL,
> -			   HWMON_T_INPUT | HWMON_T_LABEL,
> +			   HWMON_T_INPUT | HWMON_T_LABEL | HWMON_T_OFFSET,
> +			   HWMON_T_INPUT | HWMON_T_LABEL | HWMON_T_OFFSET,
> +			   HWMON_T_INPUT | HWMON_T_LABEL | HWMON_T_OFFSET,
> +			   HWMON_T_INPUT | HWMON_T_LABEL | HWMON_T_OFFSET,
>  			   HWMON_T_INPUT | HWMON_T_LABEL,
>  			   HWMON_T_INPUT | HWMON_T_LABEL,
>  			   HWMON_T_INPUT | HWMON_T_LABEL,
> @@ -1295,6 +1298,7 @@ static int aqc_probe(struct hid_device *hdev, const struct hid_device_id *id)
>  		priv->flow_sensors_start_offset = AQUAERO_FLOW_SENSORS_START;
>  
>  		priv->buffer_size = AQUAERO_CTRL_REPORT_SIZE;
> +		priv->temp_ctrl_offset = AQUAERO_TEMP_CTRL_OFFSET;
>  
>  		priv->temp_label = label_temp_sensors;
>  		priv->virtual_temp_label = label_virtual_temp_sensors;