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fwupd/plugins/synapticsmst
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Richard Hughes 75b965d01d Shut down the daemon after 2h of inactivity 
Plugins are allowed to 'opt-out' of this behaviour using _RULE_INHIBITS_IDLE.
This should be used where waking up the hardware to coldplug is expensive,
either from a power consumption point of view, or if other artifacts are going
to be seem -- for instance if the screen flickers when probing display devices.

This functionality is also inhibited when the actual upgrade is happening,
for obvious reasons.

Admins can turn off this auto-sleep behaviour by editing the daemon.conf file.

Fixes https://github.com/hughsie/fwupd/issues/417
2018-11-21 18:54:44 +00:00
..
tests synapticsmst: add a test suite 2017-02-02 21:43:42 -06:00
fu-plugin-synapticsmst.c Shut down the daemon after 2h of inactivity 2018-11-21 18:54:44 +00:00
fu-self-test.c trivial: Remove duplicate header includes 2018-09-04 08:22:39 -05:00
meson.build synapticsmst: Set parentage for Dell WD15/TB16/TB18 docks through quirks 2018-08-28 18:30:00 +01:00
README.md trivial: Document the GUID generation scheme 2018-11-08 20:39:46 +00:00
synapticsmst_evb.quirk synapticsmst: Adjust EVB board handling 2018-11-05 09:31:55 -06:00
synapticsmst-common.c trivial: synapticsmst: clarify some error flows 2018-09-28 08:39:44 -05:00
synapticsmst-common.h synapticsmst: Access Board ID through memory instead 2018-11-05 09:31:55 -06:00
synapticsmst-device.c synapticsmst: Adjust EVB board handling 2018-11-05 09:31:55 -06:00
synapticsmst-device.h synapticsmst: Adjust EVB board handling 2018-11-05 09:31:55 -06:00
synapticsmst.quirk synapticsmst: Adjust EVB board handling 2018-11-05 09:31:55 -06:00

README.md

Synaptics MST

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

GUID Generation

These devices use custom GUID values, e.g.

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

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:

  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