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Fri, 27 Feb 2026 15:50:59 -0800 (PST) From: Sriman Achanta To: Jiri Kosina , Benjamin Tissoires Cc: linux-input@vger.kernel.org, linux-kernel@vger.kernel.org, Bastien Nocera , Simon Wood , Christian Mayer , Sriman Achanta Subject: [PATCH v3 18/18] HID: steelseries: Document sysfs ABI Date: Fri, 27 Feb 2026 18:50:42 -0500 Message-ID: <20260227235042.410062-19-srimanachanta@gmail.com> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20260227235042.410062-1-srimanachanta@gmail.com> References: <20260227235042.410062-1-srimanachanta@gmail.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Add Documentation/ABI/testing/sysfs-driver-hid-steelseries documenting the sysfs attributes and LED class device exposed by the driver: - bt_enabled, bt_device_connected: read-only Bluetooth radio state - inactive_time: read/write auto-shutoff timer in minutes - bt_auto_enable: read/write Bluetooth radio power-on behavior - ::micmute/brightness: mic mute LED brightness via LED class Signed-off-by: Sriman Achanta --- .../ABI/testing/sysfs-driver-hid-steelseries | 87 +++++++++++++++++++ 1 file changed, 87 insertions(+) create mode 100644 Documentation/ABI/testing/sysfs-driver-hid-steelseries diff --git a/Documentation/ABI/testing/sysfs-driver-hid-steelseries b/Documentation/ABI/testing/sysfs-driver-hid-steelseries new file mode 100644 index 000000000000..7b8d29282ed6 --- /dev/null +++ b/Documentation/ABI/testing/sysfs-driver-hid-steelseries @@ -0,0 +1,87 @@ +What: /sys/bus/hid/drivers/steelseries//bt_enabled +Date: February 2026 +KernelVersion: 6.20 +Contact: Sriman Achanta +Description: (RO) Whether the Bluetooth radio on the headset is currently + enabled. + + * 0 = Bluetooth radio off + * 1 = Bluetooth radio on + + Returns -ENODEV if the headset is not connected to the + receiver. + + Supported on: Arctis Nova 7 Gen2, Arctis Nova Pro Wireless + +What: /sys/bus/hid/drivers/steelseries//bt_device_connected +Date: February 2026 +KernelVersion: 6.20 +Contact: Sriman Achanta +Description: (RO) Whether a Bluetooth device is currently connected to + the headset. + + * 0 = no Bluetooth device connected + * 1 = Bluetooth device connected + + Returns -ENODEV if the headset is not connected to the + receiver. + + Supported on: Arctis Nova 7 Gen2, Arctis Nova Pro Wireless + +What: /sys/bus/hid/drivers/steelseries//inactive_time +Date: February 2026 +KernelVersion: 6.20 +Contact: Sriman Achanta +Description: (RW) Auto-shutoff timer for the headset, in minutes. A + value of 0 disables the timer. The maximum accepted value + is device-specific. + + The encoding sent to the firmware varies by device family: + the Arctis 9 converts the value to seconds, the Nova 3P + rounds down to its nearest supported discrete step, and the + Nova Pro maps to six firmware-defined level indices. For all + other devices the value is sent in minutes directly. + + Reading the attribute returns the last value reported by the + firmware. Writing immediately sends the new timeout to the + device. + + Returns -ENODEV if the headset is not connected to the + receiver. + + Supported on: Arctis 1 Wireless, Arctis 7, Arctis 7+, + Arctis 9, Arctis Nova 3P, Arctis Nova 5, Arctis Nova 5X, + Arctis Nova 7, Arctis Nova 7P, Arctis Nova 7 Gen2, + Arctis Nova Pro Wireless + +What: /sys/bus/hid/drivers/steelseries//bt_auto_enable +Date: February 2026 +KernelVersion: 6.20 +Contact: Sriman Achanta +Description: (RW) Whether the headset automatically enables its + Bluetooth radio on power-on. + + * 0 = Bluetooth radio stays off at power-on + * 1 = Bluetooth radio activates automatically at power-on + + Returns -ENODEV if the headset is not connected to the + receiver. + + Supported on: Arctis Nova 7, Arctis Nova 7P, + Arctis Nova 7 Gen2 + +What: /sys/class/leds/::micmute/brightness +Date: February 2026 +KernelVersion: 6.20 +Contact: Sriman Achanta +Description: (RW) Brightness of the microphone mute status LED. + is the HID device node name (e.g. + 0003:1038:12AE.0001). + + * 0 = off + * 1 = low + * 2 = medium + * 3 = high + + Supported on: Arctis Nova 5, Arctis Nova 5X, Arctis Nova 7, + Arctis Nova 7P, Arctis Nova 7 Gen2 -- 2.53.0