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fwupd/plugins/synaptics-cape
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Richard Hughes c4b7f42e43 Only compress one version of the builtin-quirks 
Saving the quirks in the GResource section worked well, but it made the build
system very complicated and also meant the .data section was duplicated in
both `fwupd` and `fwupdtool` -- negating a lot of the hard-fought savings.

Simplify this feature so that we just `cat` all the quirk files together, then
gzip them into a single file. This means that at startup fwupd only needs to
check the mtime of one file, and weirdly it's actually faster to load a smaller
compressed file from disk that it is to load multiple uncompressed files.
2022-09-27 12:44:04 +01:00
..
tests Move the fuzzing files into the plugin directories 2021-10-22 15:24:05 +01:00
fu-plugin-synaptics-cape.c Speed up the daemon startup by ~2% by doing dlsym much less 2021-11-09 12:02:07 +00:00
fu-synaptics-cape-device.c trivial: Use fu_bytes_new_offset() in more places 2022-07-25 17:07:33 +01:00
fu-synaptics-cape-device.h trivial: Remove the class structs for types that use G_DECLARE_FINAL_TYPE 2022-05-21 12:19:50 +01:00
fu-synaptics-cape-firmware.c trivial: Use fu_bytes_new_offset() in more places 2022-07-25 17:07:33 +01:00
fu-synaptics-cape-firmware.h plugins: add new plugin for Synaptics CAPE devices (#3746) 2021-09-15 03:42:07 +08:00
meson.build Only compress one version of the builtin-quirks 2022-09-27 12:44:04 +01:00
README.md synaptics-cape: Add interrupt endpoint support (#3798) 2021-09-27 16:53:08 +08:00
synaptics-cape.quirk synaptics-cape: Don't use 'dongle' to describe hardware 2022-05-23 14:56:45 +01:00

README.md

Synaptics CAPE devices

Introduction

This plugin is used to update Synaptics CAPE based audio devices.

Firmware Format

The daemon will decompress the cabinet archive and extract a firmware blob.

This plugin supports the following protocol ID:

  • com.synaptics.cape

GUID Generation

These devices use the standard USB DeviceInstanceId values, e.g.

  • USB\VID_1395&PID_0293

These devices also use custom GUID values, e.g.

  • SYNAPTICS_CAPE\CX31993
  • SYNAPTICS_CAPE\CX31988

Update Behavior

The firmware is deployed when the device is in normal runtime mode, and the device will reset when the new firmware has been written.

Vendor ID Security

The vendor ID is set from the USB vendor, in this instance set to USB:0x1395

Plugin-specific flags

  • use-in-report-interrupt: some devices will support IN_REPORT that allow host communicate with device over interrupt instead of control endpoint, since: 1.7.0

External Interface Access

This plugin requires read/write access to /dev/bus/usb.