HP Pavilion 14-ce3xxx (ALC295) – mute LED does not work in Linux

[GitHub issues - opened <github@alsa-project.org>]

alsa-project/alsa-utils issue #324 was opened from lakshyaelite:

**Laptop:** HP Pavilion Laptop 14-ce3xxx
**SKU:** 172V6PA#ACJ
**Audio codec:** Realtek ALC295
**Kernel:** 6.17.0-20-generic
**OS:** Linux Mint 22.3 (Ubuntu-based)

#### Problem

The audio mute key works correctly, but the **red mute LED on the keyboard never lights up**.

The LED **works correctly in Windows**, so the hardware itself is functional.

#### What happens in Linux

* Pressing the mute key mutes/unmutes audio normally.
* The mute LED does not turn on when muted.

#### System information

```
lakshya@lakshya-HP-Pavilion-Laptop-14-ce3xxx:~$ uname -r
6.17.0-20-generic

lakshya@lakshya-HP-Pavilion-Laptop-14-ce3xxx:~$ cat /sys/class/dmi/id/product_name
HP Pavilion Laptop 14-ce3xxx

lakshya@lakshya-HP-Pavilion-Laptop-14-ce3xxx:~$ cat /sys/class/dmi/id/product_sku
172V6PA#ACJ

lakshya@lakshya-HP-Pavilion-Laptop-14-ce3xxx:~$ cat /proc/asound/card*/codec* | grep Codec
Codec: Realtek ALC295
Codec: Intel Icelake HDMI

lakshya@lakshya-HP-Pavilion-Laptop-14-ce3xxx:~$ ls /sys/class/leds
enp6s0-0::lan  hda::micmute    input3::capslock    phy0-led
enp6s0-1::lan  hda::mute       input3::numlock
enp6s0-2::lan  hp::hddprotect  input3::scrolllock
```

#### dmesg excerpt

```
lakshya@lakshya-HP-Pavilion-Laptop-14-ce3xxx:~$ dmesg | grep -i alc
[    0.078833] rcu: RCU calculated value of scheduler-enlistment delay is 100 jiffies.
[    0.089069] Calibrating delay loop (skipped), value calculated using timer frequency.. 2380.80 BogoMIPS (lpj=1190400)
[    4.773630] snd_hda_codec_alc269 hdaudioC0D0: ALC295: picked fixup hp-gpio-led (model specified)
[    4.775205] snd_hda_codec_alc269 hdaudioC0D0: autoconfig for ALC295: line_outs=1 (0x14/0x0/0x0/0x0/0x0) type:speaker
[    4.775220] snd_hda_codec_alc269 hdaudioC0D0:    speaker_outs=0 (0x0/0x0/0x0/0x0/0x0)
[    4.775226] snd_hda_codec_alc269 hdaudioC0D0:    hp_outs=1 (0x21/0x0/0x0/0x0/0x0)
[    4.775231] snd_hda_codec_alc269 hdaudioC0D0:    mono: mono_out=0x0
[    4.775235] snd_hda_codec_alc269 hdaudioC0D0:    inputs:
[    4.775241] snd_hda_codec_alc269 hdaudioC0D0:      Internal Mic=0x12
[    4.775246] snd_hda_codec_alc269 hdaudioC0D0:      Mic=0x19

lakshya@lakshya-HP-Pavilion-Laptop-14-ce3xxx:~$ dmesg | grep -i hda
[    4.706427] snd_hda_intel 0000:00:1f.3: enabling device (0000 -> 0002)
[    4.706882] snd_hda_intel 0000:00:1f.3: bound 0000:00:02.0 (ops intel_audio_component_bind_ops [i915])
[    4.773630] snd_hda_codec_alc269 hdaudioC0D0: ALC295: picked fixup hp-gpio-led (model specified)
[    4.775205] snd_hda_codec_alc269 hdaudioC0D0: autoconfig for ALC295: line_outs=1 (0x14/0x0/0x0/0x0/0x0) type:speaker
[    4.775220] snd_hda_codec_alc269 hdaudioC0D0:    speaker_outs=0 (0x0/0x0/0x0/0x0/0x0)
[    4.775226] snd_hda_codec_alc269 hdaudioC0D0:    hp_outs=1 (0x21/0x0/0x0/0x0/0x0)
[    4.775231] snd_hda_codec_alc269 hdaudioC0D0:    mono: mono_out=0x0
[    4.775235] snd_hda_codec_alc269 hdaudioC0D0:    inputs:
[    4.775241] snd_hda_codec_alc269 hdaudioC0D0:      Internal Mic=0x12
[    4.775246] snd_hda_codec_alc269 hdaudioC0D0:      Mic=0x19
[    5.501057] input: HDA Intel PCH Mic as /devices/pci0000:00/0000:00:1f.3/sound/card0/input14
[    5.501119] input: HDA Intel PCH Headphone as /devices/pci0000:00/0000:00:1f.3/sound/card0/input15
[    5.501174] input: HDA Intel PCH HDMI/DP,pcm=3 as /devices/pci0000:00/0000:00:1f.3/sound/card0/input16
[    5.501230] input: HDA Intel PCH HDMI/DP,pcm=7 as /devices/pci0000:00/0000:00:1f.3/sound/card0/input17
[    5.501269] input: HDA Intel PCH HDMI/DP,pcm=8 as /devices/pci0000:00/0000:00:1f.3/sound/card0/input18
[    5.501307] input: HDA Intel PCH HDMI/DP,pcm=9 as /devices/pci0000:00/0000:00:1f.3/sound/card0/input19
```

#### Notes

* `hda::mute` LED device exists but does not control the physical LED.
* The LED worked correctly when the laptop was running Windows.

This laptop may require a **specific ALC295 mute-LED quirk or DMI entry**.

Issue URL     : https://github.com/alsa-project/alsa-utils/issues/324
Repository URL: https://github.com/alsa-project/alsa-utils