ACK/NACK[HWE-5.15]/Cmnt: [SRU][J/HWE-5.17/OEM-5.17/HWE-5.15][PATCH 0/1] Audio mute key (f5) LED and Mic mute key (f8) LED are no function on HP 440/450/640/650 G9

[Stefan Bader]

On 25.07.22 08:50, Jeremy Szu wrote:
> BugLink: https://bugs.launchpad.net/bugs/1982716
> 
> [Impact]
> The audio mute key (F5) and mic-mute LED (F8) don't work on some HP 440/450/640/650 G9 laptops.
> 
> [Fix]
> The HP ProBook 440/450 G9 and EliteBook 640/650 G9 have multiple
> motherboard design and they are using different subsystem ID of audio
> codec. Add the same quirk for other MBs.
> 
> [Test]
> After applying the fix, the mute LEDs are working.
> 
> [Where problems could occur]
> It's low risk as it's specific ID for HP new machines. If the HP ships other machines using same SSID, then the LED may not work on those machines.
> 
> Jeremy Szu (1):
>    ALSA: hda/realtek: fix mute/micmute LEDs for HP machines
> 
>   sound/pci/hda/patch_realtek.c | 4 ++++
>   1 file changed, 4 insertions(+)
> 

The hwe-5.15 kernel does not need individual care, it is backported from the 
jammy kernel. For the oem-5.17 it is the hwe-5.17 kernel which would be 
sufficient (but there timing might be a reason to include it separately as it 
likely picks up the change quicker.

Acked-by: Stefan Bader <stefan.bader at canonical.com>
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