From 1260cd04a601e0e02e09fa332111b8639611970d Mon Sep 17 00:00:00 2001 From: Nate Yocom Date: Wed, 28 Sep 2022 18:23:22 -0700 Subject: [PATCH] Input: add ABS_PROFILE to uapi and documentation Define new ABS_PROFILE axis for input devices which need it, e.g. X-Box Adaptive Controller and X-Box Elite 2. Signed-off-by: Nate Yocom Link: https://lore.kernel.org/r/20220908173930.28940-4-nate@yocom.org Signed-off-by: Dmitry Torokhov --- Documentation/input/event-codes.rst | 6 ++++++ Documentation/input/gamepad.rst | 6 ++++++ drivers/hid/hid-debug.c | 3 ++- include/uapi/linux/input-event-codes.h | 1 + 4 files changed, 15 insertions(+), 1 deletion(-) diff --git a/Documentation/input/event-codes.rst b/Documentation/input/event-codes.rst index 8741d390b184..b4557462edd7 100644 --- a/Documentation/input/event-codes.rst +++ b/Documentation/input/event-codes.rst @@ -235,6 +235,12 @@ A few EV_ABS codes have special meanings: BTN_TOOL_ signals the type of tool that is currently detected by the hardware and is otherwise independent of ABS_DISTANCE and/or BTN_TOUCH. +* ABS_PROFILE: + + - Used to describe the state of a multi-value profile switch. An event is + emitted only when the selected profile changes, indicating the newly + selected profile value. + * ABS_MT_: - Used to describe multitouch input events. Please see diff --git a/Documentation/input/gamepad.rst b/Documentation/input/gamepad.rst index 4d5e7fb80a84..71019de46036 100644 --- a/Documentation/input/gamepad.rst +++ b/Documentation/input/gamepad.rst @@ -189,3 +189,9 @@ Gamepads report the following events: - Rumble: Rumble is advertised as FF_RUMBLE. + +- Profile: + + Some pads provide a multi-value profile selection switch. An example is the + XBox Adaptive and the XBox Elite 2 controllers. When the active profile is + switched, its newly selected value is emitted as an ABS_PROFILE event. diff --git a/drivers/hid/hid-debug.c b/drivers/hid/hid-debug.c index 81e7e404a5fc..2ca6ab600bc9 100644 --- a/drivers/hid/hid-debug.c +++ b/drivers/hid/hid-debug.c @@ -1014,7 +1014,8 @@ static const char *absolutes[ABS_CNT] = { [ABS_HAT3Y] = "Hat 3Y", [ABS_PRESSURE] = "Pressure", [ABS_DISTANCE] = "Distance", [ABS_TILT_X] = "XTilt", [ABS_TILT_Y] = "YTilt", [ABS_TOOL_WIDTH] = "ToolWidth", - [ABS_VOLUME] = "Volume", [ABS_MISC] = "Misc", + [ABS_VOLUME] = "Volume", [ABS_PROFILE] = "Profile", + [ABS_MISC] = "Misc", [ABS_MT_TOUCH_MAJOR] = "MTMajor", [ABS_MT_TOUCH_MINOR] = "MTMinor", [ABS_MT_WIDTH_MAJOR] = "MTMajorW", diff --git a/include/uapi/linux/input-event-codes.h b/include/uapi/linux/input-event-codes.h index dff8e7f17074..7ad931a32970 100644 --- a/include/uapi/linux/input-event-codes.h +++ b/include/uapi/linux/input-event-codes.h @@ -862,6 +862,7 @@ #define ABS_TOOL_WIDTH 0x1c #define ABS_VOLUME 0x20 +#define ABS_PROFILE 0x21 #define ABS_MISC 0x28 -- 2.34.1