Public bug reported:
I'm on a Macbook Air 7,2, running Linux 4.14.0-041400rc7-generic
#201710292231 SMP Sun Oct 29 22:32:07 UTC 2017 x86_64 x86_64 x86_64
GNU/Linux, with Ubuntu 17.10.
By default, when I type on the keyboard, it's very easy to make a mistake and
touch the touchpad with my palm. Even though I disabled the touchpad while
typing:
$ gsettings list-recursively org.gnome.desktop.peripherals.touchpad
org.gnome.desktop.peripherals.touchpad send-events 'enabled'
org.gnome.desktop.peripherals.touchpad natural-scroll false
org.gnome.desktop.peripherals.touchpad tap-to-click false
org.gnome.desktop.peripherals.touchpad two-finger-scrolling-enabled true
org.gnome.desktop.peripherals.touchpad left-handed 'mouse'
org.gnome.desktop.peripherals.touchpad click-method 'default'
org.gnome.desktop.peripherals.touchpad speed 0.0
org.gnome.desktop.peripherals.touchpad scroll-method 'two-finger-scrolling'
org.gnome.desktop.peripherals.touchpad tap-and-drag true
org.gnome.desktop.peripherals.touchpad edge-scrolling-enabled false
org.gnome.desktop.peripherals.touchpad disable-while-typing true
This still happens. With xinput, I'm getting:
$ xinput list-props 11
Device 'bcm5974':
Device Enabled (141): 1
Coordinate Transformation Matrix (143): 1.000000, 0.000000, 0.000000,
0.000000, 1.000000, 0.000000, 0.000000, 0.000000, 1.000000
Device Accel Profile (275): 1
Device Accel Constant Deceleration (276): 2.500000
Device Accel Adaptive Deceleration (277): 1.000000
Device Accel Velocity Scaling (278): 12.500000
Synaptics Edges (279): -3791, 4311, 423, 6027
Synaptics Finger (280): 70, 75, 0
Synaptics Tap Time (281): 180
Synaptics Tap Move (282): 522
Synaptics Tap Durations (283): 180, 180, 100
Synaptics ClickPad (284): 1
Synaptics Middle Button Timeout (285): 0
Synaptics Two-Finger Pressure (286): 283
Synaptics Two-Finger Width (287): 7
Synaptics Scrolling Distance (288): 237, 237
Synaptics Edge Scrolling (289): 1, 0, 0
Synaptics Two-Finger Scrolling (290): 1, 0
Synaptics Move Speed (291): 1.000000, 1.750000, 0.016855, 0.000000
Synaptics Off (292): 0
Synaptics Locked Drags (293): 0
Synaptics Locked Drags Timeout (294): 5000
Synaptics Tap Action (295): 2, 3, 0, 0, 1, 3, 0
Synaptics Click Action (296): 1, 3, 0
Synaptics Circular Scrolling (297): 0
Synaptics Circular Scrolling Distance (298): 0.100000
Synaptics Circular Scrolling Trigger (299): 0
Synaptics Circular Pad (300): 0
Synaptics Palm Detection (301): 0
Synaptics Palm Dimensions (302): 10, 200
Synaptics Coasting Speed (303): 20.000000, 50.000000
Synaptics Pressure Motion (304): 30, 160
Synaptics Pressure Motion Factor (305): 1.000000, 1.000000
Synaptics Resolution Detect (306): 1
Synaptics Grab Event Device (307): 0
Synaptics Gestures (308): 1
Synaptics Capabilities (309): 1, 0, 0, 1, 1, 1, 1
Synaptics Pad Resolution (310): 1, 1
Synaptics Area (311): 0, 0, 0, 0
Synaptics Soft Button Areas (312): 0, 0, 0, 0, 0, 0, 0, 0
Synaptics Noise Cancellation (313): 39, 27
Device Product ID (267): 1452, 657
Device Node (266): "/dev/input/event15"
Which includes:
Synaptics Palm Detection (301): 0
If I run:
$ xinput set-int-prop 11 301 8 1
Then the problem goes away.
I don't know whose "fault" it is, or where the bug is.
I just think this should work, and do so out of the box.
** Affects: gpointing-device-settings (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1757447
Title:
Default Synaptic settings for touchpad on Macbook Air do not enable
palm detection
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