[SRU][F/H/I/unstable][PATCH 0/1] Fix a keyboard issue for some medion laptops

Stefan Bader stefan.bader at canonical.com
Tue Oct 5 08:34:41 UTC 2021

On 23.09.21 12:11, Hui Wang wrote:
> BugLink: https://bugs.launchpad.net/bugs/1909814
> [Impact]
> The keyboard of some medion laptops can't work under Linux.
> [Fix]
> Backport a upstream patch, after applying the patch, the keyboard
> will skip the irq override from the acpi resource layer, and the
> keyboard could work normally.

What is unclear to me, does this require "ACPI: resources: Add checks for ACPI 
IRQ override" to be applied or reverted as pre-requisite? For H/F this got reverted.


> [Test]
> Booting the patched kernel, use the keyboard to do the input.
> [Where problems could occur]
> The patch will skip the irq override based on the DMI info, so
> if a medion laptop which has the same DMI info and the irq 1
> needs to be overriden, this patch will introduce regression on
> the machine, but this possibility is very low. If this happens,
> we will consider to add more DMI match info in the table.
> Hui Wang (1):
>    ACPI: resources: Add DMI-based legacy IRQ override quirk
>   drivers/acpi/resource.c | 49 +++++++++++++++++++++++++++++++++++++++--
>   1 file changed, 47 insertions(+), 2 deletions(-)

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