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proxmox/bookworm
fwupd/plugins/synaptics-rmi
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Richard Hughes 584db3a066 Indicate devices that need data retained typically only useful for ->probe() 
This includes snapshot data like GUdevDevice that is only very rarely useful
after `FuDevice->probe()` has been completed. Add a warning so that we can
identify affected plugins and provide some grace period.

This should reduce the idle RSS by ~200kB when we flip the swithc in the future.
2023-02-23 10:47:08 +00:00
..
tests Move the fuzzing files into the plugin directories 2021-10-22 15:24:05 +01:00
fu-self-test.c Move the fuzzing files into the plugin directories 2021-10-22 15:24:05 +01:00
fu-synaptics-rmi-common.c Be smarter and include less header files per source file 2022-06-14 14:36:52 -05:00
fu-synaptics-rmi-common.h trivial: reformat the whole tree to match new format 2021-08-24 11:18:40 -05:00
fu-synaptics-rmi-device.c Add API to wait for a device 2023-02-01 09:42:08 +00:00
fu-synaptics-rmi-device.h synaptics-rmi: add feature to verify signature (#5406) 2023-01-17 09:33:49 +00:00
fu-synaptics-rmi-firmware.c synaptics-rmi: add support to write signature 2023-01-10 14:59:11 +00:00
fu-synaptics-rmi-firmware.h trivial: reformat the whole tree to match new format 2021-08-24 11:18:40 -05:00
fu-synaptics-rmi-hid-device.c Indicate devices that need data retained typically only useful for ->probe() 2023-02-23 10:47:08 +00:00
fu-synaptics-rmi-hid-device.h trivial: reformat the whole tree to match new format 2021-08-24 11:18:40 -05:00
fu-synaptics-rmi-plugin.c Build many more plugins as builtin 2022-09-28 17:01:23 +01:00
fu-synaptics-rmi-plugin.h Build many more plugins as builtin 2022-09-28 17:01:23 +01:00
fu-synaptics-rmi-ps2-device.c Add API to wait for a device 2023-02-01 09:42:08 +00:00
fu-synaptics-rmi-ps2-device.h trivial: reformat the whole tree to match new format 2021-08-24 11:18:40 -05:00
fu-synaptics-rmi-v5-device.c Add API to wait for a device 2023-02-01 09:42:08 +00:00
fu-synaptics-rmi-v5-device.h Be smarter and include less header files per source file 2022-06-14 14:36:52 -05:00
fu-synaptics-rmi-v6-device.c Split out the memory helpers to a new source file 2022-06-14 14:36:52 -05:00
fu-synaptics-rmi-v6-device.h Be smarter and include less header files per source file 2022-06-14 14:36:52 -05:00
fu-synaptics-rmi-v7-device.c Add API to wait for a device 2023-02-01 09:42:08 +00:00
fu-synaptics-rmi-v7-device.h synaptics-rmi: add feature to verify signature (#5406) 2023-01-17 09:33:49 +00:00
meson.build trivial: don't refer to plugindir in the build system anymore 2022-09-28 15:12:10 -05:00
README.md Include the plugin README text in the generated docs 2023-01-10 14:58:30 +00:00
synaptics-rmi.quirk Simplify the quirk file format 2021-03-03 08:30:34 +00:00

README.md

title: Plugin: Synaptics RMI4

Introduction

This plugin updates integrated Synaptics RMI4 devices, typically touchpads.

GUID Generation

The HID DeviceInstanceId values are used, e.g. HIDRAW\VEN_06CB&DEV_4875.

These devices also use custom GUID values constructed using the board ID, e.g.

  • SYNAPTICS_RMI\TM3038-002
  • SYNAPTICS_RMI\TM3038

Update Behavior

The device usually presents in HID mode, and the firmware is written to the device by switching to a SERIO mode where the touchpad is nonfunctional. Once complete the device is reset to get out of SERIO mode and to load the new firmware version.

Vendor ID Security

The vendor ID is set from the udev vendor, in this instance set to HIDRAW:0x06CB

Firmware Format

The daemon will decompress the cabinet archive and extract a firmware blob in a proprietary (but documented) file format.

This plugin supports the following protocol ID:

  • com.synaptics.rmi

External Interface Access

This plugin requires ioctl access to HIDIOCSFEATURE and HIDIOCGFEATURE.