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fwupd/plugins/synaptics-cxaudio
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Richard Hughes faa35e430b Show a warning if the device has no GType and the plugin has no default 
This also renames a symbol to make it clear that you can call it more than once.

Fixes https://github.com/fwupd/fwupd/issues/3148
2021-04-15 16:52:56 +01:00
..
fu-plugin-synaptics-cxaudio.c Show a warning if the device has no GType and the plugin has no default 2021-04-15 16:52:56 +01:00
fu-synaptics-cxaudio-common.h Only include the start year in the copyright header 2021-01-07 14:48:16 +00:00
fu-synaptics-cxaudio-device.c synaptics-cxaudio: Retry GetReport to fix an enumeration failure 2021-03-25 14:30:07 +00:00
fu-synaptics-cxaudio-device.h Add FuHidDevice abstraction 2020-03-19 17:02:07 +00:00
fu-synaptics-cxaudio-firmware.c Allow objects to deserialize to XML 2021-03-15 12:07:30 +00:00
fu-synaptics-cxaudio-firmware.h Only include the start year in the copyright header 2021-01-07 14:48:16 +00:00
meson.build Move the plugin build logic to the plugins themselves 2021-02-18 14:46:20 +00:00
README.md synaptics-cxaudio: Use a plugin prefix for quirk keys 2021-03-03 08:30:34 +00:00
synaptics-cxaudio.quirk Simplify the quirk file format 2021-03-03 08:30:34 +00:00

README.md

Conexant Audio Support

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:

Quirk Description Minimum fwupd version
CxaudioChipIdBase Base integer for ChipID 1.3.2
CxaudioSoftwareReset If the chip supports self-reset 1.3.2
CxaudioPatch1ValidAddr Address of patch location #1 1.3.2
CxaudioPatch2ValidAddr Address of patch location #2 1.3.2

External interface access

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