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Richard Hughes 6bbc4c787b jabra: Move the Jabra-specific detach out into its own plugin

This also lets us remove the call to dfu_device_wait_for_replug() which was
causing a deadlock due to unsafe main context usage. Splitting the code allows
us to use the device list to watch for replug, without adding even more Jabra-
specific plugin code to the DFU plugin.

Looking at this with a 40,000ft view, the Jabra runtime really doesn't have
much in common with DFU and the reason it was originally all lumped together
was that the daemon couldn't "change" plugins between detach and update.

It's unfortunate that we have to include a sleep() in the DFU code after the
DFU probe, but this is specified by Jabra themselves. Attempting to open the
device without waiting reboots the hub back into runtime firmware mode, so we
can't even retry the failing setup action.

2019-10-30 15:09:49 +00:00

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DFU Support

Introduction

Device Firmware Update is a standard that allows USB devices to be easily and safely updated by any operating system.

Firmware Format

The daemon will decompress the cabinet archive and extract a firmware blob in DFU or DfuSe file format.

This plugin supports the following protocol IDs:

org.usb.dfu
com.st.dfuse

GUID Generation

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

USB\VID_273F&PID_1003&REV_0001
USB\VID_273F&PID_1003
USB\VID_273F

Quirk use

This plugin uses the following plugin-specific quirks:

Quirk	Description	Minimum fwupd version
`DfuFlags`	Optional quirks for a DFU device which doesn't follow the DFU 1.0 or 1.1 specification	1.0.1
`DfuForceVersion`	Forces a specific DFU version for the hardware device. This is required if the device does not set, or sets incorrectly, items in the DFU functional descriptor.	1.0.1

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