From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from alsa0.perex.cz (alsa0.perex.cz [77.48.224.243]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 954E9F46C4E for ; Mon, 6 Apr 2026 15:18:13 +0000 (UTC) Received: from alsa1.perex.cz (alsa1.perex.cz [45.14.194.44]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) by alsa0.perex.cz (Postfix) with ESMTPS id E2487601F2; Mon, 6 Apr 2026 17:18:00 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa0.perex.cz E2487601F2 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=alsa-project.org; s=default; t=1775488690; bh=A1sb8JtSLdG9q5BF07y62aPSCAoQAb/+aQRzvSl4k60=; h=From:To:In-Reply-To:References:Subject:Date:List-Id:List-Archive: List-Help:List-Owner:List-Post:List-Subscribe:List-Unsubscribe: From; b=GKbLOCYW822rDiS/7P/bPFmY3yWBNvZHG+76TpaqKAlkBhAoscmvN/lGrBwI7USEM NMw/yCR9YZ+8i9Hj6atnP7rE2zmd6A+/xQg7QAQ63fhsPsn473ctoK6LwnTkwsGOZ7 RyjCNffVLp3T3smNTWz5dLvZh9kFhALflvF7ugMs= Received: by alsa1.perex.cz (Postfix, from userid 50401) id 632B1F805F3; Mon, 6 Apr 2026 17:17:34 +0200 (CEST) Received: from mailman-core.alsa-project.org (mailman-core.alsa-project.org [10.254.200.10]) by alsa1.perex.cz (Postfix) with ESMTP id 0941CF805E7; Mon, 6 Apr 2026 17:17:34 +0200 (CEST) Received: by alsa1.perex.cz (Postfix, from userid 50401) id EC69CF8049C; Mon, 6 Apr 2026 17:17:23 +0200 (CEST) Received: from webhooks-bot.alsa-project.org (vmi2259423.contaboserver.net [45.14.194.44]) by alsa1.perex.cz (Postfix) with ESMTP id B8A48F80169 for ; Mon, 6 Apr 2026 17:17:21 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa1.perex.cz B8A48F80169 MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit From: GitHub issues - opened To: alsa-devel@alsa-project.org Message-Id: <18a3cd8311e0cf00-webhooks-bot@alsa-project.org> In-Reply-To: <18a3cd8311b48b00-webhooks-bot@alsa-project.org> References: <18a3cd8311b48b00-webhooks-bot@alsa-project.org> Subject: =?utf-8?q?HP_Pavilion_14-ce3xxx_=28ALC295=29_=E2=80=93_mute_LED_does_not_work_in_Linux?= Date: Mon, 6 Apr 2026 17:17:23 +0200 (CEST) Message-ID-Hash: 77FM7G3XIP7WWYSNYDP7E5FVEEBW2MTL X-Message-ID-Hash: 77FM7G3XIP7WWYSNYDP7E5FVEEBW2MTL X-MailFrom: github@alsa-project.org X-Mailman-Rule-Misses: dmarc-mitigation; no-senders; approved; loop; banned-address; header-match-alsa-devel.alsa-project.org-0; header-match-alsa-devel.alsa-project.org-1; emergency; member-moderation; nonmember-moderation; administrivia; implicit-dest; max-recipients; max-size; news-moderation; no-subject; digests; suspicious-header X-Mailman-Version: 3.3.10 Precedence: list List-Id: "Alsa-devel mailing list for ALSA developers - http://www.alsa-project.org" Archived-At: List-Archive: List-Help: List-Owner: List-Post: List-Subscribe: List-Unsubscribe: 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