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fwupd/plugins/synapticsmst
History
Mario Limonciello 9b944d8999 trivial: synapticmst: allow missing /proc/modules 
If a kernel is compiled without loadable module support this shouldn't
stop synapticsmst plugin from loading, just we can't do an extra safety
check.
2019-11-08 09:52:02 -06:00
..
tests synapticsmst: add a test suite 2017-02-02 21:43:42 -06:00
fu-plugin-synapticsmst.c trivial: synapticmst: allow missing /proc/modules 2019-11-08 09:52:02 -06:00
fu-self-test.c synapticsmst: Partially rewrite the plugin (Fixes #1105) 2019-08-28 08:50:15 -05:00
fu-synapticsmst-common.c synapticsmst: Partially rewrite the plugin (Fixes #1105) 2019-08-28 08:50:15 -05:00
fu-synapticsmst-common.h synapticsmst: Partially rewrite the plugin (Fixes #1105) 2019-08-28 08:50:15 -05:00
fu-synapticsmst-connection.c synapticsmst: Partially rewrite the plugin (Fixes #1105) 2019-08-28 08:50:15 -05:00
fu-synapticsmst-connection.h synapticsmst: Make FuSynapticsmstConnection an actual GObject 2019-08-15 14:44:56 +01:00
fu-synapticsmst-device.c synapticsmst: filter invalid chip IDs 2019-11-08 09:45:39 -06:00
fu-synapticsmst-device.h trivial: Remove G_BEGIN_DECLS from all private headers 2019-10-09 20:02:16 +01:00
meson.build synapticsmst: Use the same style as other plugins 2019-08-15 14:11:48 +01:00
README.md synapticsmst: Partially rewrite the plugin (Fixes #1105) 2019-08-28 08:50:15 -05:00
synapticsmst_evb.quirk synapticsmst: Adjust EVB board handling 2018-11-05 09:31:55 -06:00
synapticsmst.quirk trivial: Fix up some typos from codespell 2019-11-01 14:21:20 +00:00

README.md

Synaptics MST

This plugin supports querying and flashing Synaptics MST hubs used in Dell systems and docks.

Firmware Format

The daemon will decompress the cabinet archive and extract a firmware blob in an unspecified binary file format.

This plugin supports the following protocol ID:

  • com.synaptics.mst

GUID Generation

These devices use custom GUID values, e.g.

  • MST-$(device_kind)-$(chip-ID)-$(board-ID)
  • MST-$(device_kind)-$(board-ID)
  • MST-$(device_kind)

Please refer to the plugin source for more details about how the GUID is constructed for specific hardware.

Requirements

(Kernel) DP Aux Interface

Kernel 4.6 introduced an DRM DP Aux interface for manipulation of the registers needed to access an MST hub. This patch can be backported to earlier kernels: e94cb37b34

libsmbios

At compilation time and runtime you will need libsmbios_c version 2.3.0 or later

If you don't want or need this functionality you can use the --disable-dell option.

Usage

Supported devices will be displayed in # fwupdmgr get-devices output.

Here is an example output from a Dell WD15 dock:

Dell WD15/TB16 wired Dock Synaptics VMM3332
  Guid:                 653cd006-5433-57db-8632-0413af4d3fcc
  DeviceID:             MST-1-1-0-0
  Plugin:               synapticsmst
  Flags:                allow-online
  Version:              3.10.002
  Created:              2017-01-13
  Modified:             2017-01-13
  Trusted:              none

Payloads can be flashed just like any other plugin from LVFS.

Supported devices

Not all Dell systems or accessories contain MST hubs. Here is a sample list of systems known to support them however:

  • Dell WD15 dock
  • Dell TB16 dock
  • Dell TB18DC
  • Latitude E5570
  • Latitude E5470
  • Latitude E5270
  • Latitude E7470
  • Latitude E7270
  • Latitude E7450
  • Latitude E7250
  • Latitude E5550
  • Latitude E5450
  • Latitude E5250
  • Latitude Rugged 5414
  • Latitude Rugged 7214
  • Latitude Rugged 7414