ACK: [SRU][Q][PATCH 0/1] MT7925 wifi is hard blocked on HP's machine

[You-Sheng Yang]

DMI quirk on Q. MTK doesn't have an ultimate solution yet.

Acked-By: You-Sheng Yang <vicamo.yang at canonical.com>

On Mon, Jan 5, 2026 at 3:18 PM AceLan Kao <acelan.kao at canonical.com> wrote:
>
> From: "Chia-Lin Kao (AceLan)" <acelan.kao at canonical.com>
>
> BugLink: https://bugs.launchpad.net/bugs/2127044
>
> [Impact]
> The wifi is hard blocked and can't be used randomly.
>
> [Fix]
> The issue is introduced by commit 085749115fd37 ("wifi: mt76: mt7925: add rfkill_poll for hardware rfkill")
> The machine doesn't support this feature may lead to undefined behavior, and MTK will submit a firmware to fix this issue in the near feature.
>
> For short-term solution, we made a DMI quick to list the machines that doesn't support this feature.
>
> [Test]
> 1. Boot up HP Z2 Mini G1a Workstation
> 2. Run `rfkill list` to check wlan0 block state
> 3. Re-plug power cord and then check rfkill state again
> 4. The wlan0 should not be hard blocked.
>
> [Where problems could occur]
> Should be pretty safe to return the function call directly, since the machine doesn't support it.
>
> Chia-Lin Kao (AceLan) (1):
>   UBUNTU: SAUCE: wifi: mt76: mt7925: add DMI quirk for HP Z2 Mini G1a
>     Workstation
>
>  drivers/net/wireless/mediatek/mt76/mt7925/main.c | 6 ++++++
>  1 file changed, 6 insertions(+)
>
> --
> 2.43.0
>
>
> --
> kernel-team mailing list
> kernel-team at lists.ubuntu.com
> https://lists.ubuntu.com/mailman/listinfo/kernel-team



-- 
Regards,
You-Sheng Yang