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| author | Vishnu Sankar <vishnuocv@gmail.com> | 2026-03-11 23:31:44 +0900 |
|---|---|---|
| committer | Ilpo Järvinen <ilpo.jarvinen@linux.intel.com> | 2026-03-17 15:27:26 +0200 |
| commit | fa5062e99b984448b7c8ca9aea47e7fc033b6e2f (patch) | |
| tree | 2b7dceaf1e93328493bf9c4f87b92b27deaf4880 /Documentation/admin-guide/laptops/thinkpad-acpi.rst | |
| parent | 6227cc32fa01ffbf5bef8dcc6759743a28a2ad57 (diff) | |
| download | lwn-fa5062e99b984448b7c8ca9aea47e7fc033b6e2f.tar.gz lwn-fa5062e99b984448b7c8ca9aea47e7fc033b6e2f.zip | |
Documentation: thinkpad-acpi - Document doubletap_enable attribute
Document the doubletap_enable sysfs attribute for ThinkPad ACPI driver.
Signed-off-by: Vishnu Sankar <vishnuocv@gmail.com>
Link: https://patch.msgid.link/20260311143144.482145-4-vishnuocv@gmail.com
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Diffstat (limited to 'Documentation/admin-guide/laptops/thinkpad-acpi.rst')
| -rw-r--r-- | Documentation/admin-guide/laptops/thinkpad-acpi.rst | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/Documentation/admin-guide/laptops/thinkpad-acpi.rst b/Documentation/admin-guide/laptops/thinkpad-acpi.rst index 03951ed6b628..f874db31801d 100644 --- a/Documentation/admin-guide/laptops/thinkpad-acpi.rst +++ b/Documentation/admin-guide/laptops/thinkpad-acpi.rst @@ -1522,6 +1522,27 @@ Currently 2 antenna types are supported as mentioned below: The property is read-only. If the platform doesn't have support the sysfs class is not created. +doubletap_enable +---------------- + +sysfs: doubletap_enable + +Controls whether TrackPoint doubletap events are filtered out. Doubletap is a +feature where quickly tapping the TrackPoint twice triggers a special function key event. + +The available commands are:: + + cat /sys/devices/platform/thinkpad_acpi/doubletap_enable + echo 1 | sudo tee /sys/devices/platform/thinkpad_acpi/doubletap_enable + echo 0 | sudo tee /sys/devices/platform/thinkpad_acpi/doubletap_enable + +Values: + + * 1 - doubletap events are processed (default) + * 0 - doubletap events are filtered out (ignored) + + This setting can also be toggled via the Fn+doubletap hotkey. + Auxmac ------ |