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fwupd/plugins/synapticsmst
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Richard Hughes a785a1c2f6 Remove the confusing ALLOW_OFFLINE and ALLOW_ONLINE flags 
Over the months the original meaning of ALLOW_OFFLINE and ALLOW_ONLINE have be
lost, and there is now a confusing mixture of uses in the source tree. With this
commit we make it clear the UPDATABLE flag is used to specify when the device is
updatable (e.g. from the desktop live session, or from the systemd offline
updates mode, or both) and the NEEDS_REBOOT flag lets us know when the update
is actually going to be done.

For instance, a UEFI UpdateCapsule can be *scheduled* from either the desktop
or from the update mode (but the latter would be a bit weird), but does require
a reboot. Some devices might only be updatable outside the live session, for
instance a hard drive update or a GPU update -- there's just too much going on
with a live session and we want to tightly control what's running during the
firmware flash.

This also means we don't have to "retry" the update when scheduling an update
that really can be scheduled whenever, but just requires a reboot to apply.
2017-08-26 18:09:21 +01:00
..
tests synapticsmst: add a test suite 2017-02-02 21:43:42 -06:00
fu-dell-common.c synapticsmst: build GUID using dock type 2017-01-30 20:37:48 -06:00
fu-dell-common.h trivial: shuffle fu-dell-flash into fu-dell-common 2017-01-23 11:27:03 -06:00
fu-plugin-synapticsmst.c Remove the confusing ALLOW_OFFLINE and ALLOW_ONLINE flags 2017-08-26 18:09:21 +01:00
fu-self-test.c trivial: Define the build dir outside the source file 2017-04-12 14:26:14 +01:00
meson.build Use a static library to avoid symlinking files for the tests 2017-08-09 10:19:13 +01:00
README.md trivial: synaptics: update the device name to be more sensible 2017-02-01 16:43:50 -06:00
synapticsmst-common.c trivial: Ensure that all the C source files include 'config.h' 2017-08-23 18:26:29 +01:00
synapticsmst-common.h trivial: Fix some -Wdiscarded-qualifiers warnings 2017-02-13 11:02:19 +00:00
synapticsmst-device.c Fix a crash when enumerating devices on a Dell WLD15 2017-02-13 11:03:03 +00:00
synapticsmst-device.h synapticsmst: Iterate all nodes rather than hardcoding to 3 2017-01-26 17:06:22 -06:00
synapticsmst-tool.c synapticsmst: build GUID using dock type 2017-01-30 20:37:48 -06:00

README.md

Synaptics MST

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

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:

  1. Dell WD15 dock
  2. Dell TB16 dock
  3. Latitude E5570
  4. Latitude E5470
  5. Latitude E5270
  6. Latitude E7470
  7. Latitude E7270
  8. Latitude E7450
  9. Latitude E7250
  10. Latitude E5550
  11. Latitude E5450
  12. Latitude E5250
  13. Latitude Rugged 5414
  14. Latitude Rugged 7214
  15. Latitude Rugged 7414