ricky@archlinux ~> sudo dmesg | grep -i i2c [sudo] password for ricky: [ 0.211745] ACPI BIOS Error (bug): Could not resolve symbol [_SB.PC00.I2C3.TPD0], AE_NOT_FOUND (20251212/dswload2-162) [ 0.211891] ACPI BIOS Error (bug): Could not resolve symbol [_SB.PC00.I2C4.TPL1], AE_NOT_FOUND (20251212/dswload2-162) [ 0.212028] ACPI BIOS Error (bug): Could not resolve symbol [_SB.PC00.I2C5.TPL1], AE_NOT_FOUND (20251212/dswload2-162) [ 0.237528] ACPI: _SB_.PC00.I2C3.PXTC: New power resource [ 0.238649] ACPI: _SB_.PC00.I2C4.PTPL: New power resource [ 0.239054] ACPI: _SB_.PC00.I2C5.PTPL: New power resource [ 1.207616] Modules linked in: i915(+) i2c_algo_bit drm_buddy ttm nvme intel_gtt nvme_core intel_lpss_pci serio_raw video nvme_keyring spi_intel_pci drm_display_helper nvme_auth intel_lpss hkdf spi_intel idma64 wmi cec intel_vsec [ 3.815849] i2c_dev: i2c /dev entries driver [ 4.195336] input: FTSC1000:00 2808:5662 as /devices/pci0000:00/0000:00:15.0/i2c_designware.0/i2c-0/i2c-FTSC1000:00/0018:2808:5662.0008/input/input18 [ 4.195401] input: FTSC1000:00 2808:5662 UNKNOWN as /devices/pci0000:00/0000:00:15.0/i2c_designware.0/i2c-0/i2c-FTSC1000:00/0018:2808:5662.0008/input/input20 [ 4.195467] hid-multitouch 0018:2808:5662.0008: input,hidraw7: I2C HID v1.00 Device [FTSC1000:00 2808:5662] on i2c-FTSC1000:00 [ 4.203661] input: TOPS0102:00 35CC:0104 Consumer Control as /devices/pci0000:00/0000:00:15.1/i2c_designware.1/i2c-1/i2c-TOPS0102:00/0018:35CC:0104.0009/input/input22 [ 4.205224] input: TOPS0102:00 35CC:0104 Touchpad as /devices/pci0000:00/0000:00:15.1/i2c_designware.1/i2c-1i2c-TOPS0102:00/0018:35CC:0104.0009/input/input23 [ 4.205278] hid-multitouch 0018:35CC:0104.0009: input,hidraw8: I2C HID v1.00 Mouse [TOPS0102:00 35CC:0104] on i2c-TOPS0102:00

libinput list-devices 识别为两个设备

Device: TOPS0102:00 35CC:0104 Consumer Control Kernel: /dev/input/event12 Id: i2c:35cc:0104 Group: 5 Seat: seat0, default Capabilities: keyboard pointer Tap-to-click: n/a Tap-and-drag: n/a Tap button map: n/a Tap drag lock: n/a Left-handed: n/a Nat.scrolling: disabled Middle emulation: n/a Calibration: n/a Scroll methods: none Scroll button: n/a Scroll button lock: n/a Click methods: none Clickfinger button map: n/a Disable-w-typing: n/a Disable-w-trackpointing: n/a Accel profiles: n/a Rotation: 0.0 Area rectangle: n/a

Device: TOPS0102:00 35CC:0104 Touchpad Kernel: /dev/input/event13 Id: i2c:35cc:0104 Group: 5 Seat: seat0, default Size: 130x92mm Capabilities: pointer gesture Tap-to-click: disabled Tap-and-drag: enabled Tap button map: left/right/middle Tap drag lock: disabled Left-handed: disabled Nat.scrolling: disabled Middle emulation: disabled Calibration: n/a Scroll methods: *two-finger edge Scroll button: n/a Scroll button lock: n/a Click methods: *button-areas clickfinger Clickfinger button map: left/right/middle Disable-w-typing: enabled Disable-w-trackpointing: enabled Accel profiles: flat *adaptive custom Rotation: n/a Area rectangle: n/a

尝试过修改启动内核参数 i2c_hid.reset_suspended=1 还有 ignore dmi ，都没用 偶尔冷启动能用手势，重启就没了，监听输入设备事件就只有左键触发，没有手势