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https://github.com/arthur-pbty/arthur-os.git
synced 2026-08-01 20:28:16 +02:00
Address the new haptic touchpad in the shipping xps
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@@ -11,7 +11,6 @@ Trigger protocol used by these Synaptics touchpads.
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import fcntl, glob, os, struct, sys
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VENDOR = "06CB"
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PRODUCT = "D01A"
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REPORT_ID = 0x37
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INTENSITY = 40 # 0-100
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@@ -34,7 +33,7 @@ def find_hidraw():
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try:
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with open(uevent) as f:
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content = f.read().upper()
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if f"0000{VENDOR}" in content and f"0000{PRODUCT}" in content:
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if f"0000{VENDOR}" in content:
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return os.path.join("/dev", os.path.basename(path))
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except OSError:
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continue
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@@ -46,7 +45,7 @@ def find_touchpad_event():
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try:
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with open(path) as f:
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name = f.read().strip().upper()
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if VENDOR in name and PRODUCT in name and "TOUCHPAD" in name:
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if VENDOR in name and "TOUCHPAD" in name:
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event = path.split("/")[-3]
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return os.path.join("/dev/input", event)
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except OSError:
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@@ -1,8 +1,23 @@
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#!/bin/bash
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# Reload the intel_quicki2c driver to fix a dead trackpad.
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# The THC (Touch Host Controller) can fail to initialize interrupts
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# during boot or after suspend, leaving the trackpad registered but
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# not delivering events.
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# Reset the trackpad by unbinding and rebinding its driver.
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# Covers both driver paths:
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# - i2c_hid_acpi (DesignWare I2C, e.g. XPS 14/16 Synaptics trackpad)
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# - intel_quicki2c (THC Touch Host Controller)
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sudo modprobe -r intel_quicki2c && sudo modprobe intel_quicki2c
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# Try i2c_hid_acpi path (DesignWare I2C trackpads)
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for dev in /sys/bus/i2c/drivers/i2c_hid_acpi/i2c-*; do
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[ -e "$dev" ] || continue
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I2C_DEVICE=$(basename "$dev")
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echo "Resetting $I2C_DEVICE via i2c_hid_acpi unbind/rebind..."
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echo "$I2C_DEVICE" | sudo tee /sys/bus/i2c/drivers/i2c_hid_acpi/unbind > /dev/null
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sleep 1
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echo "$I2C_DEVICE" | sudo tee /sys/bus/i2c/drivers/i2c_hid_acpi/bind > /dev/null
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echo "Done"
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done
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# Also try THC path
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if lsmod | grep -q intel_quicki2c; then
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echo "Reloading intel_quicki2c..."
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sudo modprobe -r intel_quicki2c && sudo modprobe intel_quicki2c
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fi
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@@ -1,5 +1,5 @@
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# Fix Dell XPS haptic touchpad.
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# The Synaptics haptic touchpad (06CB:D01A) uses the HID Manual Trigger
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# The Synaptics haptic touchpad (vendor 06CB) uses the HID Manual Trigger
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# protocol, but the kernel's HID haptic subsystem only supports Auto Trigger.
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# This sets up a lightweight daemon that monitors touchpad button events and
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# sends haptic pulses via HID feature reports on the hidraw device.
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