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Message-ID: <20251228122025.154682-4-srimanachanta@gmail.com> Date: Sun, 28 Dec 2025 07:20:24 -0500 From: Sriman Achanta <srimanachanta@...il.com> To: Jiri Kosina <jikos@...nel.org>, Benjamin Tissoires <bentiss@...nel.org>, linux-input@...r.kernel.org, linux-kernel@...r.kernel.org Cc: Sriman Achanta <srimanachanta@...il.com> Subject: [PATCH 3/4] Documentation: ABI: Document SteelSeries headset sysfs attributes Replace the SRW-S1 specific documentation with comprehensive documentation for the hid-steelseries driver covering both the legacy SRW-S1 wheel and the modern Arctis headset lineup. New sysfs attributes documented: - sidetone_level: Control microphone monitoring volume - inactive_time: Auto-sleep timeout configuration - chatmix_level: Game/Chat audio balance (read-only) - mic_mute_led_brightness: Microphone mute LED brightness control - mic_volume: Internal microphone gain control - volume_limiter: EU hearing protection volume limiter - bluetooth_on_power: Bluetooth auto-enable on power-on - bluetooth_call_vol: Bluetooth call audio attenuation settings The SRW-S1 LED documentation is preserved and moved into the new unified documentation file. Signed-off-by: Sriman Achanta <srimanachanta@...il.com> --- .../ABI/testing/sysfs-driver-hid-srws1 | 21 --- .../ABI/testing/sysfs-driver-hid-steelseries | 123 ++++++++++++++++++ 2 files changed, 123 insertions(+), 21 deletions(-) delete mode 100644 Documentation/ABI/testing/sysfs-driver-hid-srws1 create mode 100644 Documentation/ABI/testing/sysfs-driver-hid-steelseries diff --git a/Documentation/ABI/testing/sysfs-driver-hid-srws1 b/Documentation/ABI/testing/sysfs-driver-hid-srws1 deleted file mode 100644 index d0eba70c7d40..000000000000 --- a/Documentation/ABI/testing/sysfs-driver-hid-srws1 +++ /dev/null @@ -1,21 +0,0 @@ -What: /sys/class/leds/SRWS1::<serial>::RPM1 -What: /sys/class/leds/SRWS1::<serial>::RPM2 -What: /sys/class/leds/SRWS1::<serial>::RPM3 -What: /sys/class/leds/SRWS1::<serial>::RPM4 -What: /sys/class/leds/SRWS1::<serial>::RPM5 -What: /sys/class/leds/SRWS1::<serial>::RPM6 -What: /sys/class/leds/SRWS1::<serial>::RPM7 -What: /sys/class/leds/SRWS1::<serial>::RPM8 -What: /sys/class/leds/SRWS1::<serial>::RPM9 -What: /sys/class/leds/SRWS1::<serial>::RPM10 -What: /sys/class/leds/SRWS1::<serial>::RPM11 -What: /sys/class/leds/SRWS1::<serial>::RPM12 -What: /sys/class/leds/SRWS1::<serial>::RPM13 -What: /sys/class/leds/SRWS1::<serial>::RPM14 -What: /sys/class/leds/SRWS1::<serial>::RPM15 -What: /sys/class/leds/SRWS1::<serial>::RPMALL -Date: Jan 2013 -KernelVersion: 3.9 -Contact: Simon Wood <simon@...gewell.org> -Description: Provides a control for turning on/off the LEDs which form - an RPM meter on the front of the controller diff --git a/Documentation/ABI/testing/sysfs-driver-hid-steelseries b/Documentation/ABI/testing/sysfs-driver-hid-steelseries new file mode 100644 index 000000000000..3066dbb486d3 --- /dev/null +++ b/Documentation/ABI/testing/sysfs-driver-hid-steelseries @@ -0,0 +1,123 @@ +What: /sys/class/leds/SRWS1::<serial>::RPM1 +What: /sys/class/leds/SRWS1::<serial>::RPM2 +What: /sys/class/leds/SRWS1::<serial>::RPM3 +What: /sys/class/leds/SRWS1::<serial>::RPM4 +What: /sys/class/leds/SRWS1::<serial>::RPM5 +What: /sys/class/leds/SRWS1::<serial>::RPM6 +What: /sys/class/leds/SRWS1::<serial>::RPM7 +What: /sys/class/leds/SRWS1::<serial>::RPM8 +What: /sys/class/leds/SRWS1::<serial>::RPM9 +What: /sys/class/leds/SRWS1::<serial>::RPM10 +What: /sys/class/leds/SRWS1::<serial>::RPM11 +What: /sys/class/leds/SRWS1::<serial>::RPM12 +What: /sys/class/leds/SRWS1::<serial>::RPM13 +What: /sys/class/leds/SRWS1::<serial>::RPM14 +What: /sys/class/leds/SRWS1::<serial>::RPM15 +What: /sys/class/leds/SRWS1::<serial>::RPMALL +Date: Jan 2013 +KernelVersion: 3.9 +Contact: Simon Wood <simon@...gewell.org> +Description: Provides a control for turning on/off the LEDs which form + an RPM meter on the front of the controller + +What: /sys/class/hid/drivers/steelseries/<dev>/sidetone_level +Date: January 2025 +KernelVersion: 6.19 +Contact: Sriman Achanta <srimanachanta@...il.com> +Description: + Controls the sidetone (microphone monitoring) volume level. + This determines how much of the microphone input is fed back into + the headset speakers. + + Range: 0-128 (mapped internally to device-specific values). + Access: Write + +What: /sys/class/hid/drivers/steelseries/<dev>/inactive_time +Date: January 2025 +KernelVersion: 6.19 +Contact: Sriman Achanta <srimanachanta@...il.com> +Description: + Sets the time in minutes before the headset automatically enters + standby/sleep mode when no audio is playing. + + Range: 0-90 (minutes). + Some devices (e.g., Arctis 1/7X) map this to specific presets. + Access: Write + +What: /sys/class/hid/drivers/steelseries/<dev>/chatmix_level +Date: January 2025 +KernelVersion: 6.19 +Contact: Sriman Achanta <srimanachanta@...il.com> +Description: + Reports the current balance between Game and Chat audio channels + (ChatMix). This value changes when the physical ChatMix dial + on the headset is adjusted. + + Range: 0-128 + 0 = 100% Chat / 0% Game + 64 = 50% Chat / 50% Game (Balanced) + 128 = 0% Chat / 100% Game + Access: Read + +What: /sys/class/hid/drivers/steelseries/<dev>/mic_mute_led_brightness +Date: January 2025 +KernelVersion: 6.19 +Contact: Sriman Achanta <srimanachanta@...il.com> +Description: + Controls the brightness of the LED on the microphone boom that + indicates when the microphone is muted. + + Range: 0-3 (off, low, medium, high) for most devices. + 0-10 for newer Nova series devices. + Access: Write + +What: /sys/class/hid/drivers/steelseries/<dev>/mic_volume +Date: January 2025 +KernelVersion: 6.19 +Contact: Sriman Achanta <srimanachanta@...il.com> +Description: + Controls the internal microphone gain/volume of the headset. + This is distinct from the OS input volume. + + Range: 0-128 (mapped internally to device-specific values). + Access: Write + +What: /sys/class/hid/drivers/steelseries/<dev>/volume_limiter +Date: January 2025 +KernelVersion: 6.19 +Contact: Sriman Achanta <srimanachanta@...il.com> +Description: + Enables or disables the EU volume limiter (hearing protection). + When enabled, the maximum output volume is capped. + + Values: + 0 = Disabled + 1 = Enabled + Access: Write + +What: /sys/class/hid/drivers/steelseries/<dev>/bluetooth_on_power +Date: January 2025 +KernelVersion: 6.19 +Contact: Sriman Achanta <srimanachanta@...il.com> +Description: + Configures whether the Bluetooth radio automatically turns on + when the headset is powered on. + + Values: + 0 = Bluetooth must be turned on manually + 1 = Bluetooth turns on automatically with headset + Access: Write + +What: /sys/class/hid/drivers/steelseries/<dev>/bluetooth_call_vol +Date: January 2025 +KernelVersion: 6.19 +Contact: Sriman Achanta <srimanachanta@...il.com> +Description: + Configures how the 2.4GHz Game/Chat audio is attenuated when + a Bluetooth call is active. + + Values: + 0 = No attenuation (mix both equally) + 1 = Attenuate Game audio by -12dB + 2 = Mute Game audio completely + Access: Write -- 2.52.0
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