APPLIED(F): [SRU] [F/Unstable/OEM-5.6] [PATCH 0/5] Support DMIC micmute LED on HP platforms

[Khaled Elmously]

On 2020-05-05 14:02:35 , Kai-Heng Feng wrote:
> BugLink: https://bugs.launchpad.net/bugs/1876859
> 
> [Impact]
> DMIC micmute LED on HP platforms doesn't work.
> 
> [Fix]
> Add LED class support from HDA codec, so DMIC can use LEDS_TRIGGER_AUDIO
> to control micmute.
> 
> [Test]
> After applying the fix, micmute LED can correctly indicate the status of
> micmute.
> 
> [Regression Potential]
> Low. For now it only affects one platform, and it doesn't touch any core
> part of the subsystem.
> 
> Kai-Heng Feng (4):
>   ALSA: hda/realtek - Introduce polarity for micmute LED GPIO
>   ALSA: hda/realtek - Enable micmute LED on and HP system
>   ALSA: hda/realtek - Add LED class support for micmute LED
>   ASoC: SOF: Update correct LED status at the first time usage of
>     update_mute_led()
> 
> Takashi Iwai (1):
>   ALSA: hda/realtek - Fix unused variable warning w/o
>     CONFIG_LEDS_TRIGGER_AUDIO
> 
>  sound/pci/hda/patch_realtek.c | 51 ++++++++++++++++++++++++++++++-----
>  sound/soc/sof/control.c       |  4 +--
>  sound/soc/sof/sof-priv.h      |  2 +-
>  sound/soc/sof/topology.c      |  2 ++
>  4 files changed, 49 insertions(+), 10 deletions(-)
> 
> -- 
> 2.17.1
> 
> 
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