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Subject[PATCH v3] hwmon: (aquacomputer_d5next) Add support for Aquacomputer Octo
Date
Extend aquacomputer_d5next driver to expose hardware temperature sensors
and fans of the Aquacomputer Octo fan controller, which communicates
through a proprietary USB HID protocol.

Four temperature sensors and eight PWM controllable fans are available.
Additionally, serial number, firmware version and power-on count are
exposed through debugfs.

This driver has been tested on x86_64.

Signed-off-by: Aleksa Savic <savicaleksa83@gmail.com>
---
Changes in v3:
- Added break; statements where needed
- aqc_set_ctrl_val() now only sets values with a length of 2
- Replace goto with return in aqc_send_ctrl_data()

Changes in v2:
- Fixed formatting
- HID report values from device are now being converted sooner
- aqc_pwm_to_percent() is now range checked
- Put pointers to labels in aqc_data
- Simplified checksum calculation call
---
Documentation/hwmon/aquacomputer_d5next.rst | 4 +
drivers/hwmon/Kconfig | 7 +-
drivers/hwmon/aquacomputer_d5next.c | 431 +++++++++++++++++---
3 files changed, 390 insertions(+), 52 deletions(-)

diff --git a/Documentation/hwmon/aquacomputer_d5next.rst b/Documentation/hwmon/aquacomputer_d5next.rst
index 3373e27b707d..e69f718caf5b 100644
--- a/Documentation/hwmon/aquacomputer_d5next.rst
+++ b/Documentation/hwmon/aquacomputer_d5next.rst
@@ -7,6 +7,7 @@ Supported devices:

* Aquacomputer D5 Next watercooling pump
* Aquacomputer Farbwerk 360 RGB controller
+* Aquacomputer Octo fan controller

Author: Aleksa Savic

@@ -28,6 +29,9 @@ seems to require sending it a complete configuration. That includes addressable
RGB LEDs, for which there is no standard sysfs interface. Thus, that task is
better suited for userspace tools.

+The Octo exposes four temperature sensors and eight PWM controllable fans, along
+with their speed (in RPM), power, voltage and current.
+
The Farbwerk 360 exposes four temperature sensors. Depending on the device,
not all sysfs and debugfs entries will be available.

diff --git a/drivers/hwmon/Kconfig b/drivers/hwmon/Kconfig
index db8bc55e5f50..5beadd8a0932 100644
--- a/drivers/hwmon/Kconfig
+++ b/drivers/hwmon/Kconfig
@@ -256,11 +256,12 @@ config SENSORS_AHT10
will be called aht10.

config SENSORS_AQUACOMPUTER_D5NEXT
- tristate "Aquacomputer D5 Next watercooling pump"
+ tristate "Aquacomputer D5 Next, Octo and Farbwerk 360"
depends on USB_HID
help
- If you say yes here you get support for the Aquacomputer D5 Next
- watercooling pump sensors.
+ If you say yes here you get support for sensors and fans of
+ the Aquacomputer D5 Next watercooling pump, Octo fan
+ controller and Farbwerk 360 RGB controller, where available.

This driver can also be built as a module. If so, the module
will be called aquacomputer_d5next.
diff --git a/drivers/hwmon/aquacomputer_d5next.c b/drivers/hwmon/aquacomputer_d5next.c
index 525809cf7c95..cd008bfa03be 100644
--- a/drivers/hwmon/aquacomputer_d5next.c
+++ b/drivers/hwmon/aquacomputer_d5next.c
@@ -1,6 +1,6 @@
// SPDX-License-Identifier: GPL-2.0+
/*
- * hwmon driver for Aquacomputer devices (D5 Next, Farbwerk 360)
+ * hwmon driver for Aquacomputer devices (D5 Next, Farbwerk 360, Octo)
*
* Aquacomputer devices send HID reports (with ID 0x01) every second to report
* sensor values.
@@ -8,23 +8,27 @@
* Copyright 2021 Aleksa Savic <savicaleksa83@gmail.com>
*/

+#include <linux/crc16.h>
#include <linux/debugfs.h>
#include <linux/hid.h>
#include <linux/hwmon.h>
#include <linux/jiffies.h>
#include <linux/module.h>
+#include <linux/mutex.h>
#include <linux/seq_file.h>
#include <asm/unaligned.h>

#define USB_VENDOR_ID_AQUACOMPUTER 0x0c70
#define USB_PRODUCT_ID_D5NEXT 0xf00e
#define USB_PRODUCT_ID_FARBWERK360 0xf010
+#define USB_PRODUCT_ID_OCTO 0xf011

-enum kinds { d5next, farbwerk360 };
+enum kinds { d5next, farbwerk360, octo };

static const char *const aqc_device_names[] = {
[d5next] = "d5next",
- [farbwerk360] = "farbwerk360"
+ [farbwerk360] = "farbwerk360",
+ [octo] = "octo"
};

#define DRIVER_NAME "aquacomputer_d5next"
@@ -35,6 +39,18 @@ static const char *const aqc_device_names[] = {
#define SERIAL_SECOND_PART 5
#define FIRMWARE_VERSION 13

+#define CTRL_REPORT_ID 0x03
+
+/* The HID report that the official software always sends
+ * after writing values, currently same for all devices
+ */
+#define SECONDARY_CTRL_REPORT_ID 0x02
+#define SECONDARY_CTRL_REPORT_SIZE 0x0B
+
+static u8 secondary_ctrl_report[] = {
+ 0x02, 0x00, 0x00, 0x00, 0x02, 0x00, 0x00, 0x00, 0x00, 0x34, 0xC6
+};
+
/* Register offsets for the D5 Next pump */
#define D5NEXT_POWER_CYCLES 24

@@ -55,12 +71,38 @@ static const char *const aqc_device_names[] = {

/* Register offsets for the Farbwerk 360 RGB controller */
#define FARBWERK360_NUM_SENSORS 4
-#define FARBWERK360_SENSOR_START 0x32
+#define FARBWERK360_SENSOR_START 0x32
#define FARBWERK360_SENSOR_SIZE 0x02
#define FARBWERK360_SENSOR_DISCONNECTED 0x7FFF

+/* Register offsets for the Octo fan controller */
+#define OCTO_POWER_CYCLES 0x18
+#define OCTO_NUM_FANS 8
+#define OCTO_FAN_PERCENT_OFFSET 0x00
+#define OCTO_FAN_VOLTAGE_OFFSET 0x02
+#define OCTO_FAN_CURRENT_OFFSET 0x04
+#define OCTO_FAN_POWER_OFFSET 0x06
+#define OCTO_FAN_SPEED_OFFSET 0x08
+
+static u8 octo_sensor_fan_offsets[] = { 0x7D, 0x8A, 0x97, 0xA4, 0xB1, 0xBE, 0xCB, 0xD8 };
+
+#define OCTO_NUM_SENSORS 4
+#define OCTO_SENSOR_START 0x3D
+#define OCTO_SENSOR_SIZE 0x02
+#define OCTO_SENSOR_DISCONNECTED 0x7FFF
+
+#define OCTO_CTRL_REPORT_SIZE 0x65F
+#define OCTO_CTRL_REPORT_CHECKSUM_OFFSET 0x65D
+#define OCTO_CTRL_REPORT_CHECKSUM_START 0x01
+#define OCTO_CTRL_REPORT_CHECKSUM_LENGTH 0x65C
+
+/* Fan speed registers in Octo control report (from 0-100%) */
+static u16 octo_ctrl_fan_offsets[] = { 0x5B, 0xB0, 0x105, 0x15A, 0x1AF, 0x204, 0x259, 0x2AE };
+
/* Labels for D5 Next */
-#define L_D5NEXT_COOLANT_TEMP "Coolant temp"
+static const char *const label_d5next_temp[] = {
+ "Coolant temp"
+};

static const char *const label_d5next_speeds[] = {
"Pump speed",
@@ -83,7 +125,7 @@ static const char *const label_d5next_current[] = {
"Fan current"
};

-/* Labels for Farbwerk 360 temperature sensors */
+/* Labels for Farbwerk 360 and Octo temperature sensors */
static const char *const label_temp_sensors[] = {
"Sensor 1",
"Sensor 2",
@@ -91,32 +133,180 @@ static const char *const label_temp_sensors[] = {
"Sensor 4"
};

+/* Labels for Octo */
+static const char *const label_fan_speed[] = {
+ "Fan 1 speed",
+ "Fan 2 speed",
+ "Fan 3 speed",
+ "Fan 4 speed",
+ "Fan 5 speed",
+ "Fan 6 speed",
+ "Fan 7 speed",
+ "Fan 8 speed"
+};
+
+static const char *const label_fan_power[] = {
+ "Fan 1 power",
+ "Fan 2 power",
+ "Fan 3 power",
+ "Fan 4 power",
+ "Fan 5 power",
+ "Fan 6 power",
+ "Fan 7 power",
+ "Fan 8 power"
+};
+
+static const char *const label_fan_voltage[] = {
+ "Fan 1 voltage",
+ "Fan 2 voltage",
+ "Fan 3 voltage",
+ "Fan 4 voltage",
+ "Fan 5 voltage",
+ "Fan 6 voltage",
+ "Fan 7 voltage",
+ "Fan 8 voltage"
+};
+
+static const char *const label_fan_current[] = {
+ "Fan 1 current",
+ "Fan 2 current",
+ "Fan 3 current",
+ "Fan 4 current",
+ "Fan 5 current",
+ "Fan 6 current",
+ "Fan 7 current",
+ "Fan 8 current"
+};
+
struct aqc_data {
struct hid_device *hdev;
struct device *hwmon_dev;
struct dentry *debugfs;
+ struct mutex mutex; /* Used for locking access when reading and writing PWM values */
enum kinds kind;
const char *name;

+ int buffer_size;
+ u8 *buffer;
+ int checksum_start;
+ int checksum_length;
+ int checksum_offset;
+
/* General info, same across all devices */
u32 serial_number[2];
u16 firmware_version;

- /* D5 Next specific - how many times the device was powered on */
+ /* How many times the device was powered on */
u32 power_cycles;

/* Sensor values */
s32 temp_input[4];
- u16 speed_input[2];
- u32 power_input[2];
- u16 voltage_input[3];
- u16 current_input[2];
+ u16 speed_input[8];
+ u32 power_input[8];
+ u16 voltage_input[8];
+ u16 current_input[8];
+
+ /* Label values */
+ const char *const *temp_label;
+ const char *const *speed_label;
+ const char *const *power_label;
+ const char *const *voltage_label;
+ const char *const *current_label;

unsigned long updated;
};

-static umode_t aqc_is_visible(const void *data, enum hwmon_sensor_types type, u32 attr,
- int channel)
+static int aqc_percent_to_pwm(u16 val)
+{
+ return DIV_ROUND_CLOSEST(val * 255, 100 * 100);
+}
+
+static int aqc_pwm_to_percent(long val)
+{
+ if (val < 0 || val > 255)
+ return -EINVAL;
+
+ return DIV_ROUND_CLOSEST(val * 100 * 100, 255);
+}
+
+/* Expects the mutex to be locked */
+static int aqc_get_ctrl_data(struct aqc_data *priv)
+{
+ int ret;
+
+ memset(priv->buffer, 0x00, priv->buffer_size);
+ ret = hid_hw_raw_request(priv->hdev, CTRL_REPORT_ID, priv->buffer, priv->buffer_size,
+ HID_FEATURE_REPORT, HID_REQ_GET_REPORT);
+ if (ret < 0)
+ ret = -ENODATA;
+
+ return ret;
+}
+
+/* Expects the mutex to be locked */
+static int aqc_send_ctrl_data(struct aqc_data *priv)
+{
+ int ret;
+ u16 checksum;
+
+ /* Init and xorout value for CRC-16/USB is 0xffff */
+ checksum = crc16(0xffff, priv->buffer + priv->checksum_start, priv->checksum_length);
+ checksum ^= 0xffff;
+
+ /* Place the new checksum at the end of the report */
+ put_unaligned_be16(checksum, priv->buffer + priv->checksum_offset);
+
+ /* Send the patched up report back to the device */
+ ret = hid_hw_raw_request(priv->hdev, CTRL_REPORT_ID, priv->buffer, priv->buffer_size,
+ HID_FEATURE_REPORT, HID_REQ_SET_REPORT);
+ if (ret < 0)
+ return ret;
+
+ /* The official software sends this report after every change, so do it here as well */
+ ret = hid_hw_raw_request(priv->hdev, SECONDARY_CTRL_REPORT_ID, secondary_ctrl_report,
+ SECONDARY_CTRL_REPORT_SIZE, HID_FEATURE_REPORT,
+ HID_REQ_SET_REPORT);
+ return ret;
+}
+
+/* Refreshes the control buffer and returns value at offset */
+static int aqc_get_ctrl_val(struct aqc_data *priv, int offset)
+{
+ int ret;
+
+ mutex_lock(&priv->mutex);
+
+ ret = aqc_get_ctrl_data(priv);
+ if (ret < 0)
+ goto unlock_and_return;
+
+ ret = get_unaligned_be16(priv->buffer + offset);
+
+unlock_and_return:
+ mutex_unlock(&priv->mutex);
+ return ret;
+}
+
+static int aqc_set_ctrl_val(struct aqc_data *priv, int offset, long val)
+{
+ int ret;
+
+ mutex_lock(&priv->mutex);
+
+ ret = aqc_get_ctrl_data(priv);
+ if (ret < 0)
+ goto unlock_and_return;
+
+ put_unaligned_be16((u16)val, priv->buffer + offset);
+
+ ret = aqc_send_ctrl_data(priv);
+
+unlock_and_return:
+ mutex_unlock(&priv->mutex);
+ return ret;
+}
+
+static umode_t aqc_is_visible(const void *data, enum hwmon_sensor_types type, u32 attr, int channel)
{
const struct aqc_data *priv = data;

@@ -128,17 +318,47 @@ static umode_t aqc_is_visible(const void *data, enum hwmon_sensor_types type, u3
return 0444;
break;
case farbwerk360:
+ case octo:
return 0444;
default:
break;
}
break;
+ case hwmon_pwm:
+ switch (priv->kind) {
+ case octo:
+ switch (attr) {
+ case hwmon_pwm_input:
+ return 0644;
+ default:
+ break;
+ }
+ break;
+ default:
+ break;
+ }
+ break;
case hwmon_fan:
case hwmon_power:
- case hwmon_in:
case hwmon_curr:
switch (priv->kind) {
case d5next:
+ if (channel < 2)
+ return 0444;
+ break;
+ case octo:
+ return 0444;
+ default:
+ break;
+ }
+ break;
+ case hwmon_in:
+ switch (priv->kind) {
+ case d5next:
+ if (channel < 3)
+ return 0444;
+ break;
+ case octo:
return 0444;
default:
break;
@@ -154,6 +374,7 @@ static umode_t aqc_is_visible(const void *data, enum hwmon_sensor_types type, u3
static int aqc_read(struct device *dev, enum hwmon_sensor_types type, u32 attr,
int channel, long *val)
{
+ int ret;
struct aqc_data *priv = dev_get_drvdata(dev);

if (time_after(jiffies, priv->updated + STATUS_UPDATE_INTERVAL))
@@ -172,6 +393,19 @@ static int aqc_read(struct device *dev, enum hwmon_sensor_types type, u32 attr,
case hwmon_power:
*val = priv->power_input[channel];
break;
+ case hwmon_pwm:
+ switch (priv->kind) {
+ case octo:
+ ret = aqc_get_ctrl_val(priv, octo_ctrl_fan_offsets[channel]);
+ if (ret < 0)
+ return ret;
+
+ *val = aqc_percent_to_pwm(ret);
+ break;
+ default:
+ break;
+ }
+ break;
case hwmon_in:
*val = priv->voltage_input[channel];
break;
@@ -192,48 +426,51 @@ static int aqc_read_string(struct device *dev, enum hwmon_sensor_types type, u32

switch (type) {
case hwmon_temp:
- switch (priv->kind) {
- case d5next:
- *str = L_D5NEXT_COOLANT_TEMP;
- break;
- case farbwerk360:
- *str = label_temp_sensors[channel];
- break;
- default:
- break;
- }
+ *str = priv->temp_label[channel];
break;
case hwmon_fan:
- switch (priv->kind) {
- case d5next:
- *str = label_d5next_speeds[channel];
- break;
- default:
- break;
- }
+ *str = priv->speed_label[channel];
break;
case hwmon_power:
- switch (priv->kind) {
- case d5next:
- *str = label_d5next_power[channel];
- break;
- default:
- break;
- }
+ *str = priv->power_label[channel];
break;
case hwmon_in:
- switch (priv->kind) {
- case d5next:
- *str = label_d5next_voltages[channel];
- break;
- default:
- break;
- }
+ *str = priv->voltage_label[channel];
break;
case hwmon_curr:
- switch (priv->kind) {
- case d5next:
- *str = label_d5next_current[channel];
+ *str = priv->current_label[channel];
+ break;
+ default:
+ return -EOPNOTSUPP;
+ }
+
+ return 0;
+}
+
+static int aqc_write(struct device *dev, enum hwmon_sensor_types type, u32 attr, int channel,
+ long val)
+{
+ int ret, pwm_value;
+ struct aqc_data *priv = dev_get_drvdata(dev);
+
+ switch (type) {
+ case hwmon_pwm:
+ switch (attr) {
+ case hwmon_pwm_input:
+ switch (priv->kind) {
+ case octo:
+ pwm_value = aqc_pwm_to_percent(val);
+ if (pwm_value < 0)
+ return pwm_value;
+
+ ret = aqc_set_ctrl_val(priv, octo_ctrl_fan_offsets[channel],
+ pwm_value);
+ if (ret < 0)
+ return ret;
+ break;
+ default:
+ break;
+ }
break;
default:
break;
@@ -250,6 +487,7 @@ static const struct hwmon_ops aqc_hwmon_ops = {
.is_visible = aqc_is_visible,
.read = aqc_read,
.read_string = aqc_read_string,
+ .write = aqc_write
};

static const struct hwmon_channel_info *aqc_info[] = {
@@ -259,16 +497,48 @@ static const struct hwmon_channel_info *aqc_info[] = {
HWMON_T_INPUT | HWMON_T_LABEL,
HWMON_T_INPUT | HWMON_T_LABEL),
HWMON_CHANNEL_INFO(fan,
+ HWMON_F_INPUT | HWMON_F_LABEL,
+ HWMON_F_INPUT | HWMON_F_LABEL,
+ HWMON_F_INPUT | HWMON_F_LABEL,
+ HWMON_F_INPUT | HWMON_F_LABEL,
+ HWMON_F_INPUT | HWMON_F_LABEL,
+ HWMON_F_INPUT | HWMON_F_LABEL,
HWMON_F_INPUT | HWMON_F_LABEL,
HWMON_F_INPUT | HWMON_F_LABEL),
HWMON_CHANNEL_INFO(power,
+ HWMON_P_INPUT | HWMON_P_LABEL,
+ HWMON_P_INPUT | HWMON_P_LABEL,
+ HWMON_P_INPUT | HWMON_P_LABEL,
+ HWMON_P_INPUT | HWMON_P_LABEL,
+ HWMON_P_INPUT | HWMON_P_LABEL,
+ HWMON_P_INPUT | HWMON_P_LABEL,
HWMON_P_INPUT | HWMON_P_LABEL,
HWMON_P_INPUT | HWMON_P_LABEL),
+ HWMON_CHANNEL_INFO(pwm,
+ HWMON_PWM_INPUT,
+ HWMON_PWM_INPUT,
+ HWMON_PWM_INPUT,
+ HWMON_PWM_INPUT,
+ HWMON_PWM_INPUT,
+ HWMON_PWM_INPUT,
+ HWMON_PWM_INPUT,
+ HWMON_PWM_INPUT),
HWMON_CHANNEL_INFO(in,
+ HWMON_I_INPUT | HWMON_I_LABEL,
+ HWMON_I_INPUT | HWMON_I_LABEL,
+ HWMON_I_INPUT | HWMON_I_LABEL,
+ HWMON_I_INPUT | HWMON_I_LABEL,
+ HWMON_I_INPUT | HWMON_I_LABEL,
HWMON_I_INPUT | HWMON_I_LABEL,
HWMON_I_INPUT | HWMON_I_LABEL,
HWMON_I_INPUT | HWMON_I_LABEL),
HWMON_CHANNEL_INFO(curr,
+ HWMON_C_INPUT | HWMON_C_LABEL,
+ HWMON_C_INPUT | HWMON_C_LABEL,
+ HWMON_C_INPUT | HWMON_C_LABEL,
+ HWMON_C_INPUT | HWMON_C_LABEL,
+ HWMON_C_INPUT | HWMON_C_LABEL,
+ HWMON_C_INPUT | HWMON_C_LABEL,
HWMON_C_INPUT | HWMON_C_LABEL,
HWMON_C_INPUT | HWMON_C_LABEL),
NULL
@@ -326,6 +596,35 @@ static int aqc_raw_event(struct hid_device *hdev, struct hid_report *report, u8
priv->temp_input[i] = sensor_value * 10;
}
break;
+ case octo:
+ priv->power_cycles = get_unaligned_be32(data + OCTO_POWER_CYCLES);
+
+ /* Fan speed and related readings */
+ for (i = 0; i < OCTO_NUM_FANS; i++) {
+ priv->speed_input[i] =
+ get_unaligned_be16(data + octo_sensor_fan_offsets[i] +
+ OCTO_FAN_SPEED_OFFSET);
+ priv->power_input[i] =
+ get_unaligned_be16(data + octo_sensor_fan_offsets[i] +
+ OCTO_FAN_POWER_OFFSET) * 10000;
+ priv->voltage_input[i] =
+ get_unaligned_be16(data + octo_sensor_fan_offsets[i] +
+ OCTO_FAN_VOLTAGE_OFFSET) * 10;
+ priv->current_input[i] =
+ get_unaligned_be16(data + octo_sensor_fan_offsets[i] +
+ OCTO_FAN_CURRENT_OFFSET);
+ }
+
+ /* Temperature sensor readings */
+ for (i = 0; i < OCTO_NUM_SENSORS; i++) {
+ sensor_value = get_unaligned_be16(data + OCTO_SENSOR_START +
+ i * OCTO_SENSOR_SIZE);
+ if (sensor_value == OCTO_SENSOR_DISCONNECTED)
+ priv->temp_input[i] = -ENODATA;
+ else
+ priv->temp_input[i] = sensor_value * 10;
+ }
+ break;
default:
break;
}
@@ -378,8 +677,14 @@ static void aqc_debugfs_init(struct aqc_data *priv)
debugfs_create_file("serial_number", 0444, priv->debugfs, priv, &serial_number_fops);
debugfs_create_file("firmware_version", 0444, priv->debugfs, priv, &firmware_version_fops);

- if (priv->kind == d5next)
+ switch (priv->kind) {
+ case d5next:
+ case octo:
debugfs_create_file("power_cycles", 0444, priv->debugfs, priv, &power_cycles_fops);
+ break;
+ default:
+ break;
+ }
}

#else
@@ -419,9 +724,30 @@ static int aqc_probe(struct hid_device *hdev, const struct hid_device_id *id)
switch (hdev->product) {
case USB_PRODUCT_ID_D5NEXT:
priv->kind = d5next;
+
+ priv->temp_label = label_d5next_temp;
+ priv->speed_label = label_d5next_speeds;
+ priv->power_label = label_d5next_power;
+ priv->voltage_label = label_d5next_voltages;
+ priv->current_label = label_d5next_current;
break;
case USB_PRODUCT_ID_FARBWERK360:
priv->kind = farbwerk360;
+
+ priv->temp_label = label_temp_sensors;
+ break;
+ case USB_PRODUCT_ID_OCTO:
+ priv->kind = octo;
+ priv->buffer_size = OCTO_CTRL_REPORT_SIZE;
+ priv->checksum_start = OCTO_CTRL_REPORT_CHECKSUM_START;
+ priv->checksum_length = OCTO_CTRL_REPORT_CHECKSUM_LENGTH;
+ priv->checksum_offset = OCTO_CTRL_REPORT_CHECKSUM_OFFSET;
+
+ priv->temp_label = label_temp_sensors;
+ priv->speed_label = label_fan_speed;
+ priv->power_label = label_fan_power;
+ priv->voltage_label = label_fan_voltage;
+ priv->current_label = label_fan_current;
break;
default:
break;
@@ -429,6 +755,12 @@ static int aqc_probe(struct hid_device *hdev, const struct hid_device_id *id)

priv->name = aqc_device_names[priv->kind];

+ priv->buffer = devm_kzalloc(&hdev->dev, priv->buffer_size, GFP_KERNEL);
+ if (!priv->buffer)
+ return -ENOMEM;
+
+ mutex_init(&priv->mutex);
+
priv->hwmon_dev = hwmon_device_register_with_info(&hdev->dev, priv->name, priv,
&aqc_chip_info, NULL);

@@ -462,6 +794,7 @@ static void aqc_remove(struct hid_device *hdev)
static const struct hid_device_id aqc_table[] = {
{ HID_USB_DEVICE(USB_VENDOR_ID_AQUACOMPUTER, USB_PRODUCT_ID_D5NEXT) },
{ HID_USB_DEVICE(USB_VENDOR_ID_AQUACOMPUTER, USB_PRODUCT_ID_FARBWERK360) },
+ { HID_USB_DEVICE(USB_VENDOR_ID_AQUACOMPUTER, USB_PRODUCT_ID_OCTO) },
{ }
};

--
2.35.1
\
 
 \ /
  Last update: 2022-03-27 09:06    [W:1.201 / U:0.036 seconds]
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