NAK/cmnt: [SRU][I/H/F][PATCH 0/1] Fix speaker issues for a couple of Lenovo laptops

Hui Wang at
Mon Oct 11 00:30:03 UTC 2021

The patch author just sent out a new fix for this patch this morning, I 
will wait for the new fix to be landed in the linux-next and SRU the 2 
patches together.


On 10/8/21 3:58 PM, Hui Wang wrote:
> BugLink:
> [Impact]
> The speaker on a coule of Lenovo laptops can't output sound, need
> to do special initialization.
> [Fix]
> Backport a upstream patch, the patch will initialize the speaker
> amplifier with special verbs.
> [Test]
> Booting the patched kernel, output the sound to speaker, could
> heaer the sound.
> [Where problems could occur]
> The patch set the quirk to some lenovo machines with subsystem id,
> there is no regression risk for other machines.
> Cameron Berkenpas (1):
>    ALSA: hda/realtek: Quirks to enable speaker output for Lenovo Legion
>      7i 15IMHG05, Yoga 7i 14ITL5/15ITL5, and 13s Gen2 laptops.
>   sound/pci/hda/patch_realtek.c | 129 ++++++++++++++++++++++++++++++++++
>   1 file changed, 129 insertions(+)

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