Please try: $ xinput set-prop "TPPS/2 IBM TrackPoint" "libinput Accel Speed" -1 The last value of speed can be -1 to 1. Regards, Aaron On 12/30/2017 03:05 AM, Sebastian Schmidt wrote: > On Thu, Dec 28, 2017 at 11:53:44PM +0800, Aaron Ma wrote: >> The set on sysfs "speed" will execute the following code: >> 1, set #define PSMOUSE_CMD_DISABLE 0x00f5; >> 2, set #define TP_SPEED 0x60 /* Speed of TP Cursor */ >> with the value in speed. >> 3, set #define PSMOUSE_CMD_ENABLE 0x00f4 >> >> When set 3rd step, it fails to write the cmd to ps2dev. >> This issue should be related to trackpoint firmware that response on all >> commands. > > Sorry, I’m not sure I can follow. Is this a bug in my Trackpoint > firmware and I need to update it? > >> And for the trackpoint is too fast or sensitive, please change it in >> setting of gnome (I assume you are using), the setting will use the >> libinput(wayland) and xerver-input-synaptics driver to set the mouse >> speed. It should be worked as expected. > > Are you saying the sysfs settings are not supposed to work? From a > user’s perspective I’ve upgraded my kernel (to a stable version, into > which that patch was merged), found my mouse too fast and a knob called > “speed” in sysfs. Just touching that knob (by echoing the same value) > broke my mouse entirely, and that’s the problem I’m reporting. > > I’m using i3 on “plain” Xorg, no Wayland or any desktop environment. > synclient only appears to have options for the touchpad, as far as I can > tell from the names: > % synclient > Parameter settings: > LeftEdge = 77 > RightEdge = 1859 > TopEdge = 57 > BottomEdge = 1000 > FingerLow = 25 > FingerHigh = 30 > MaxTapTime = 180 > MaxTapMove = 97 > MaxDoubleTapTime = 180 > SingleTapTimeout = 180 > ClickTime = 100 > EmulateMidButtonTime = 0 > EmulateTwoFingerMinZ = 282 > EmulateTwoFingerMinW = 7 > VertScrollDelta = 44 > HorizScrollDelta = 44 > VertEdgeScroll = 0 > HorizEdgeScroll = 0 > CornerCoasting = 0 > VertTwoFingerScroll = 1 > HorizTwoFingerScroll = 0 > MinSpeed = 1 > MaxSpeed = 1.75 > AccelFactor = 0.090703 > TouchpadOff = 0 > LockedDrags = 0 > LockedDragTimeout = 5000 > RTCornerButton = 0 > RBCornerButton = 0 > LTCornerButton = 0 > LBCornerButton = 0 > TapButton1 = 0 > TapButton2 = 0 > TapButton3 = 0 > ClickFinger1 = 1 > ClickFinger2 = 3 > ClickFinger3 = 2 > CircularScrolling = 0 > CircScrollDelta = 0.1 > CircScrollTrigger = 0 > CircularPad = 0 > PalmDetect = 0 > PalmMinWidth = 10 > PalmMinZ = 200 > CoastingSpeed = 20 > CoastingFriction = 50 > PressureMotionMinZ = 30 > PressureMotionMaxZ = 160 > PressureMotionMinFactor = 1 > PressureMotionMaxFactor = 1 > GrabEventDevice = 0 > TapAndDragGesture = 1 > AreaLeftEdge = 0 > AreaRightEdge = 0 > AreaTopEdge = 0 > AreaBottomEdge = 0 > HorizHysteresis = 11 > VertHysteresis = 11 > ClickPad = 1 > RightButtonAreaLeft = 968 > RightButtonAreaRight = 0 > RightButtonAreaTop = 866 > RightButtonAreaBottom = 0 > MiddleButtonAreaLeft = 0 > MiddleButtonAreaRight = 0 > MiddleButtonAreaTop = 0 > MiddleButtonAreaBottom = 0 > % > > The xinput properties don’t show a (non-zero) speed either: > % xinput list-props "TPPS/2 IBM TrackPoint" > Device 'TPPS/2 IBM TrackPoint': > Device Enabled (142): 1 > Coordinate Transformation Matrix (144): 1.000000, 0.000000, 0.000000, 0.000000, 1.000000, 0.000000, 0.000000, 0.000000, 1.000000 > libinput Natural Scrolling Enabled (326): 0 > libinput Natural Scrolling Enabled Default (327): 0 > libinput Left Handed Enabled (328): 0 > libinput Left Handed Enabled Default (329): 0 > libinput Accel Speed (330): 0.000000 > libinput Accel Speed Default (331): 0.000000 > libinput Accel Profiles Available (332): 1, 1 > libinput Accel Profile Enabled (333): 1, 0 > libinput Accel Profile Enabled Default (334): 1, 0 > libinput Scroll Methods Available (335): 0, 0, 1 > libinput Scroll Method Enabled (336): 0, 0, 1 > libinput Scroll Method Enabled Default (337): 0, 0, 1 > libinput Button Scrolling Button (338): 2 > libinput Button Scrolling Button Default (339): 2 > libinput Middle Emulation Enabled (340): 0 > libinput Middle Emulation Enabled Default (341): 0 > libinput Send Events Modes Available (265): 1, 0 > libinput Send Events Mode Enabled (266): 0, 0 > libinput Send Events Mode Enabled Default (267): 0, 0 > Device Node (268): "/dev/input/event17" > Device Product ID (269): 2, 10 > libinput Drag Lock Buttons (342): <no items> > libinput Horizontal Scroll Enabled (343): 1 > % > > Thanks, > Sebastian > -- To unsubscribe from this list: send the line "unsubscribe linux-input" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
