Re: [REGRESSION] Missing bcm5974 touchpad on Macbooks

From: Linux regression tracking #adding (Thorsten Leemhuis)
Date: Mon Mar 04 2024 - 07:18:22 EST


[TLDR: I'm adding this report to the list of tracked Linux kernel
regressions; the text you find below is based on a few templates
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On 04.03.24 09:35, Takashi Iwai wrote:
>
> we've received a few regression reports for openSUSE Leap about the
> missing touchpad on Macbooks. After debugging, this turned out to be
> the backport of the commit 2b9c3eb32a699acdd4784d6b93743271b4970899
> Input: bcm5974 - check endpoint type before starting traffic
>
> And, the same regression was confirmed on the upstream 6.8-rc6
> kernel.
>
> Reverting the commit above fixes the problem, the touchpad reappears.
>
> The detailed hardware info is found at:
> https://bugzilla.suse.com/show_bug.cgi?id=1220030

Thanks for the report. To be sure the issue doesn't fall through the
cracks unnoticed, I'm adding it to regzbot, the Linux kernel regression
tracking bot:

#regzbot ^introduced 2b9c3eb32a699ac
#regzbot title Input: missing bcm5974 touchpad on Macbooks
#regzbot duplicate: https://bugzilla.suse.com/show_bug.cgi?id=1220030
#regzbot ignore-activity

Ciao, Thorsten (wearing his 'the Linux kernel's regression tracker' hat)
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