From: Takashi Iwai <tiwai@suse.de>
To: Jaidheer Sirigineedi <jaidheer7@gmail.com>
Cc: Jaroslav Kysela <perex@perex.cz>, Takashi Iwai <tiwai@suse.com>,
linux-sound@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] ALSA: hda/realtek: Add mute LED quirk for HP Pavilion 15-eg3xxx (103c:8bfd)
Date: Sat, 03 Oct 2026 11:49:44 +0200 [thread overview]
Message-ID: <87a4ovxgef.wl-tiwai@suse.de> (raw)
In-Reply-To: <20261002185951.33855-1-jaidheer7@gmail.com>
On Fri, 02 Oct 2026 20:59:51 +0200,
Jaidheer Sirigineedi wrote:
>
> The mute LED on the HP Pavilion Laptop 15-eg3xxx (PCI SSID 103c:8bfd,
> Realtek ALC287) does not work because the machine has no entry in the
> quirk table. No fixup is applied, so the mute LED is never driven, even
> though the mute function itself works.
>
> The LED is controlled via GPIO pin 4 (mask 0x10), which is exactly what
> ALC287_FIXUP_HP_GPIO_LED configures. This was verified on the hardware
> with hda-verb: setting the GPIO data bit lights the mute LED, and
> clearing it turns the LED off.
>
> hda-verb /dev/snd/hwC0D0 0x01 SET_GPIO_MASK 0x10
> hda-verb /dev/snd/hwC0D0 0x01 SET_GPIO_DIRECTION 0x10
> hda-verb /dev/snd/hwC0D0 0x01 SET_GPIO_DATA 0x10 # LED on
> hda-verb /dev/snd/hwC0D0 0x01 SET_GPIO_DATA 0x00 # LED off
>
> Add a quirk entry for 103c:8bfd using ALC287_FIXUP_HP_GPIO_LED.
>
> Signed-off-by: Jaidheer Sirigineedi <jaidheer7@gmail.com>
Applied now. Thanks.
Takashi
prev parent reply other threads:[~2026-10-03 9:49 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-10-02 18:59 Jaidheer Sirigineedi
2026-10-03 9:49 ` Takashi Iwai [this message]
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