[SRU][A/B/OEM-A][PATCH] Enable mic-mute hotkey and led for Lenovo M810z, M820z and M920z

[Po-Hsu Lin]

Hi Hui,
I can't find the commit "986376b68dcc95bb7df60ad30c2353c1f7578fa5" in
the upstream kernel tree.
Can you elaborate where does this came from in the patch?

Thanks

On Thu, May 31, 2018 at 10:27 AM, Hui Wang <hui.wang at canonical.com> wrote:
> BugLink: https://bugs.launchpad.net/bugs/1774306
>
> Because of patch conflicting, I sent two patches in this thread:
> 1st one is for artful and oem-artful kernel: [SRU][A/OEM-A][PATCH] ALSA: hda/realtek...
> 2nd one is for bionic kernel: [SRU][B][PATCH] ALSA: hda/realtek...
>
> [Impact]
> M810z, M820z and M920z are Lenovo AIO machines, there is a mic-mute button with
> led on them, without this patch, the hotkey and led only works on M810z, if we
> want 820z and 920z to work, we need to add their subsystem id in the driver, but
> since they use same codec with same pin conf, we use a better way than adding id.
>
> [Fix]
> With this patch, all 3 machines applied ALC233_FIXUP_LENOVO_LINE2_MIC_HOTKEY.
>
> [Test Case]
> press mic-mute button, then check sound-setting, we found the input will mute or
> unmute as users press button, and led will on or off to indicate the input status.
>
> [Regression Potential]
> Very low, through the strictly match the pin conf, codec id and vendor id, this
> fix only apply to M810z, M820z and M920z.
>
> Hui Wang (1):
>   ALSA: hda/realtek - Enable mic-mute hotkey for several Lenovo AIOs
>
>  sound/pci/hda/patch_realtek.c | 6 +++++-
>  1 file changed, 5 insertions(+), 1 deletion(-)
>
> --
> 2.7.4
>
>
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