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fwupd/plugins/synaptics-cxaudio
History
Richard Hughes fc2da47b69 Remove fu_strtoull_full()
2022-06-14 14:36:52 -05:00
..
fu-plugin-synaptics-cxaudio.c Add plugin quirk keys earlier in the startup process 2022-05-09 11:13:52 +01:00
fu-synaptics-cxaudio-common.h trivial: reformat the whole tree to match new format 2021-08-24 11:18:40 -05:00
fu-synaptics-cxaudio-device.c Remove fu_strtoull_full() 2022-06-14 14:36:52 -05:00
fu-synaptics-cxaudio-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-cxaudio-firmware.c trivial: reformat the whole tree to match new format 2021-08-24 11:18:40 -05:00
fu-synaptics-cxaudio-firmware.h trivial: reformat the whole tree to match new format 2021-08-24 11:18:40 -05:00
meson.build Convert build system to use meson tristate features 2022-02-28 08:34:48 -06:00
README.md trivial: update markdown for pre-commit style 2021-07-18 14:42:47 -05:00
synaptics-cxaudio.quirk trivial: synaptics-cxaudio: Add entry for ThinkPad USB-C Dock Gen2 Audio with updated PID 2022-04-10 15:01:54 +01:00

README.md

Conexant Audio

Introduction

This plugin is used to update a small subset of Conexant (now owned by Synaptics) audio devices.

Firmware Format

The daemon will decompress the cabinet archive and extract a firmware blob in a modified SREC file format.

This plugin supports the following protocol ID:

  • com.synaptics.synaptics-cxaudio

GUID Generation

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

  • USB\VID_17EF&PID_3083&REV_0001
  • USB\VID_17EF&PID_3083
  • USB\VID_17EF

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

  • SYNAPTICS_CXAUDIO\CX2198X
  • SYNAPTICS_CXAUDIO\CX21985

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:0x17EF

Quirk Use

This plugin uses the following plugin-specific quirks:

CxaudioChipIdBase

Base integer for ChipID.

Since: 1.3.2

CxaudioSoftwareReset

If the chip supports self-reset.

Since: 1.3.2

CxaudioPatch1ValidAddr

Address of patch location #1.

Since: 1.3.2

CxaudioPatch2ValidAddr

Address of patch location #2.

Since: 1.3.2

External Interface Access

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