linux-kernel - Re: [PATCH v2 3/3] ALSA: hda/realtek - Add LED class support for micmute LED

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Date:   Thu, 30 Apr 2020 19:22:44 +0200
From:   Takashi Iwai <tiwai@...e.de>
To:     Kai-Heng Feng <kai.heng.feng@...onical.com>
Cc:     <tiwai@...e.com>, Jaroslav Kysela <perex@...ex.cz>,
        Kailang Yang <kailang@...ltek.com>,
        Hui Wang <hui.wang@...onical.com>,
        Jian-Hong Pan <jian-hong@...lessm.com>,
        Tomas Espeleta <tomas.espeleta@...il.com>,
        Thomas Hebb <tommyhebb@...il.com>,
        Michał Mirosław <mirq-linux@...e.qmqm.pl>,
        "moderated list:SOUND" <alsa-devel@...a-project.org>,
        open list <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v2 3/3] ALSA: hda/realtek - Add LED class support for micmute LED

On Thu, 30 Apr 2020 15:52:07 +0200,
Kai-Heng Feng wrote:
> 
> Currently DMIC controls micmute LED via "audio mute LED trigger".
> 
> However, unlike Dell and Lenovo platforms, HP platforms don't provide a
> way to control micmute LED via ACPI, it's controlled by HDA codec
> instead.
> 
> So let's register an LED class for micmute so other subsystems like DMIC
> can facilitate the codec-controlled LED.
> 
> Signed-off-by: Kai-Heng Feng <kai.heng.feng@...onical.com>
> ---
> v2:
>  - Only compile the code when CONFIG_LEDS_TRIGGER_AUDIO is reachable.

Applied to for-next branch.  Thanks.


Takashi