Adds documentation about the tt_led attribute of OneXPlayer devices to the sysfs-class-oxp ABI documentation. Reviewed-by: Thomas Weißschuh <linux@xxxxxxxxxxxxxx> Reviewed-by: Derek J. Clark <derekjohn.clark@xxxxxxxxx> Signed-off-by: Antheas Kapenekakis <lkml@xxxxxxxxxxx> --- Documentation/ABI/testing/sysfs-platform-oxp | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/Documentation/ABI/testing/sysfs-platform-oxp b/Documentation/ABI/testing/sysfs-platform-oxp index 091269ab2c8c4..ccf8e5902cf86 100644 --- a/Documentation/ABI/testing/sysfs-platform-oxp +++ b/Documentation/ABI/testing/sysfs-platform-oxp @@ -11,3 +11,15 @@ Description: shortcut over the AT keyboard of the device. In addition, using this setting is a prerequisite for PWM control for most newer models (otherwise it NOOPs). + +What: /sys/devices/platform/<platform>/tt_led +Date: Feb 2025 +KernelVersion: 6.15 +Contact: "Antheas Kapenekakis" <lkml@xxxxxxxxxxx> +Description: + Some OneXPlayer devices (e.g., X1 series) feature a little LED + nested in the Turbo button. This LED is illuminated when the + device is in the higher TDP mode (e.g., 25W). Once tt_toggle + is engaged, this LED is left dangling to its last state. This + attribute allows userspace to control the LED state manually + (either with 1 or 0). Only a subset of devices contain this LED. -- 2.48.1
