[SRU][OEM-5.6][PATCH 0/2] alsa: the output volume can't be adjusted on the Lenovo machines with Bass speaker

[Timo Aaltonen]

On 11.6.2021 4.28, Hui Wang wrote:
> BugLink: https://bugs.launchpad.net/bugs/1931649
> 
> These 2 patches are already in the ubuntu 5.8.0-generic and later
> version kernels, but they are not in the oem-5.6 oem kernel yet.
> 
> [Impact]
> Users could adjust the speaker's output volume from UI, but the sound
> doesn't change with the user's adjustment.
> 
> [Fix]
> Backport 2 upstream patches, these patches are merged to 5.8.0-generic
> with stable update, but not in 5.6-oem yet.
> 
> [Test]
> run amixer contents | grep DAC1, we could see the DAC1 mixer control
> is found, adjust the speaker's volume from gnome-sound-setting, then
> play some sound, we could hear the sound's volume is changed with our
> adjustment.
> 
> 
> [Where problems could occur]
> This could possibly introduce the speaker output doesn't work anymore
> on lenovo machines with dual speakers, but this posibility is very low,
> I have tested the patches on 3 different lenovo machines with dual
> speakers.
> 
> 
> Hui Wang (1):
>    ALSA: hda/realtek: make bass spk volume adjustable on a yoga laptop
> 
> Takashi Iwai (1):
>    ALSA: hda/realtek - Improved routing for Thinkpad X1 7th/8th Gen
> 
>   sound/pci/hda/patch_realtek.c | 49 ++++++++++++++++++++++++++++++++++-
>   1 file changed, 48 insertions(+), 1 deletion(-)
> 

oem-5.6 is practically EOL, it has migrated to oem-5.10 where it hadn't 
already migrated to hwe-5.8


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