Unsupported USB devices are using power even if not used
Bug #1905603 reported by
Marco Trevisan (Treviño)
This bug affects 1 person
Affects | Status | Importance | Assigned to | Milestone | |
---|---|---|---|---|---|
libfprint (Ubuntu) |
Fix Released
|
Medium
|
Marco Trevisan (Treviño) | ||
Focal |
Fix Released
|
Medium
|
Marco Trevisan (Treviño) | ||
Groovy |
Fix Released
|
Medium
|
Marco Trevisan (Treviño) |
Bug Description
[ Impact ]
Fingerprint devices that we know are not supported, aren't properly put in power-state mode
[ Test case ]
- Ensure you've a non-supported device from this list:
https:/
- Ensure the device stays in power-save mode:
- You can use powertop, or follow this [1]
[ Regression potential ]
A device that is supported or used by another tool may be put in power-save mode
Changed in libfprint (Ubuntu Groovy): | |
assignee: | nobody → Marco Trevisan (Treviño) (3v1n0) |
importance: | Undecided → Medium |
status: | New → In Progress |
Changed in libfprint (Ubuntu Focal): | |
assignee: | nobody → Marco Trevisan (Treviño) (3v1n0) |
importance: | Undecided → Medium |
status: | New → In Progress |
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This bug was fixed in the package libfprint - 1:1.90. 3+tod1- 0ubuntu2
--------------- 3+tod1- 0ubuntu2) hirsute; urgency=medium
libfprint (1:1.90.
* debian/gbp.conf: Include debian's GNOME team preferred settings
* debian/patches (upstream cherry-picks):
- Properly handle aes3k devices, resubmitting commands.
This also needs proper commands cancellation (LP: #1897613)
- Add support for new Synaptics devices IDs (LP: #1905593)
- Fix vfs301 verification using device pointer on callbacks (LP: #1905597)
- Ensure we do not waste power for unsupported devices (LP: #1905603)
- Add identification support to synaptics driver.
It allows to unlock / log-in with any finger. (LP: #1905600)
-- Marco Trevisan (Treviño) <email address hidden> Wed, 25 Nov 2020 19:18:20 +0100