Re: [PATCH] ALSA: hda/realtek: Add mute LED quirk for HP Pavilion 15-eg3xxx (103c:8bfd)
From: Takashi Iwai
Date: Sat Oct 03 2026 - 05:50:25 EST
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@xxxxxxxxx>
Applied now. Thanks.
Takashi