From: Takashi Iwai <tiwai@suse.de>
To: Zhang Heng <zhangheng@kylinos.cn>
Cc: perex@perex.cz, tiwai@suse.com, sbinding@opensource.cirrus.com,
kailang@realtek.com, chris.chiu@canonical.com,
linux-sound@vger.kernel.org, linux-kernel@vger.kernel.org,
stable@vger.kernel.org
Subject: Re: [PATCH] ALSA: hda/realtek: add quirk for Acer Nitro ANV15-51
Date: Mon, 09 Feb 2026 16:07:06 +0100 [thread overview]
Message-ID: <87bjhy0xd1.wl-tiwai@suse.de> (raw)
In-Reply-To: <20260209134149.3076957-1-zhangheng@kylinos.cn>
On Mon, 09 Feb 2026 14:41:49 +0100,
Zhang Heng wrote:
>
> fix mute/micmute LEDs and headset microphone for Acer Nitro ANV15-51.
>
> [ The headset microphone issue is solved by Kailang]
>
> Link: https://bugzilla.kernel.org/show_bug.cgi?id=220279
> Cc: <stable@vger.kernel.org>
> Signed-off-by: Zhang Heng <zhangheng@kylinos.cn>
> ---
> There is a small issue now, the mute LED stays on when I mute the
> laptop microphone, unmute the headphone microphone, and set the
> headphone mic as default. Is it possible to fix this?
Can LED be controlled dynamically by writing to a sysfs file in
/sys/class/leds/*? e.g.
% cat /sys/class/leds/platform::micmute/brightness
1
% echo 0 > /sys/class/leds/platform::micmute/brightness
If the direct write changes the actual LED status, it's not about the
sound driver problem, but possibly some plumbing in user-space via
UCM, etc.
thanks,
Takashi
next prev parent reply other threads:[~2026-02-09 15:07 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-02-09 13:41 [PATCH] ALSA: hda/realtek: add quirk for Acer Nitro ANV15-51 Zhang Heng
2026-02-09 15:07 ` Takashi Iwai [this message]
2026-02-26 1:43 ` zhangheng
2026-02-26 6:33 ` Takashi Iwai
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