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Tasklist

FS#72138 - Missing vendor/device IDs leading to non-working 2-in-1 Mediatek chips

Attached to Project: Arch Linux
Opened by Akshansh (akshansh2000) - Tuesday, 14 September 2021, 22:31 GMT
Last edited by Jan Alexander Steffens (heftig) - Thursday, 23 September 2021, 00:26 GMT
Task Type Support Request
Category Kernel
Status Closed
Assigned To Jan Alexander Steffens (heftig)
Levente Polyak (anthraxx)
Architecture All
Severity Low
Priority Normal
Reported Version
Due in Version Undecided
Due Date Undecided
Percent Complete 100%
Votes 0
Private No

Details

Description: Some vendor/device IDs with their corresponding flags are missing in the btusb drivers which lead to Mediatek 7921 chips not being able to work properly (i.e. wi-fi and bluetooth do not work together).

Here are the commits that are already present in v5.15-rc1:

https://github.com/torvalds/linux/commit/64832df2ac056f111b51aaebbe54a996e0fce7f1
https://github.com/torvalds/linux/commit/2cdff8ca4c8414401bcbc9701229e971797b1340

These have been tested with the following patch (on v5.13.10-arch1): https://pastebin.pl/view/raw/152ca559 and both bluetooth and wifi seem to be working.
This task depends upon

Closed by  Jan Alexander Steffens (heftig)
Thursday, 23 September 2021, 00:26 GMT
Reason for closing:  Fixed
Additional comments about closing:  linux 5.14.7.arch1-1
Comment by Akshansh (akshansh2000) - Tuesday, 14 September 2021, 22:35 GMT
These 2 commits are not present in the current version (v5.14.3-arch1): https://github.com/archlinux/linux/blob/v5.14.3-arch1/drivers/bluetooth/btusb.c#L413

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