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b=EGwxNYH4UCU7B3HnFszkk3yNVNDEXlKqGGCORi5fk1bFMAJkehNkkFueY8Adt6bA7O3CQM 5TXwS1Q4I+8C5ODA== Received: from imap1.dmz-prg2.suse.org (localhost [127.0.0.1]) (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 imap1.dmz-prg2.suse.org (Postfix) with ESMTPS id DDEC113688; Mon, 5 Oct 2026 13:17:01 +0000 (UTC) Received: from dovecot-director2.suse.de ([2a07:de40:b281:106:10:150:64:167]) by imap1.dmz-prg2.suse.org with ESMTPSA id 2T6TLU2jw2qdYgAAD6G6ig (envelope-from ); Mon, 05 Oct 2026 13:17:01 +0000 Date: Mon, 05 Oct 2026 15:16:57 +0200 Message-ID: <87fqyks2wm.wl-tiwai@suse.de> From: Takashi Iwai To: "Prateek Yadav" Cc: alsa-devel@alsa-project.org, stable@vger.kernel.org Subject: Re: [PATCH] ALSA: hda/realtek: Add quirk for LG gram 16 (16Z90SP) In-Reply-To: References: User-Agent: Wanderlust/2.15.9 (Almost Unreal) Emacs/30.2 Mule/6.0 Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 (generated by SEMI-EPG 1.14.7 - "Harue") Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Rspamd-Server: rspamd2.dmz-prg2.suse.org X-Rspamd-Queue-Id: 17D241F7A6 X-Rspamd-Action: no action X-Spamd-Result: default: False [-3.51 / 50.00]; BAYES_HAM(-3.00)[100.00%]; MID_CONTAINS_FROM(1.00)[]; NEURAL_HAM_LONG(-1.00)[-1.000]; R_DKIM_ALLOW(-0.20)[suse.de:s=susede2_rsa,suse.de:s=susede2_ed25519]; NEURAL_HAM_SHORT(-0.20)[-0.992]; MIME_GOOD(-0.10)[text/plain]; MX_GOOD(-0.01)[]; DNSWL_BLOCKED(0.00)[2a07:de40:b281:104:10:150:64:97:from]; MIME_TRACE(0.00)[0:+]; RCVD_VIA_SMTP_AUTH(0.00)[]; TO_DN_SOME(0.00)[]; SPAMHAUS_XBL(0.00)[2a07:de40:b281:104:10:150:64:97:from]; ARC_NA(0.00)[]; RCVD_TLS_ALL(0.00)[]; DKIM_SIGNED(0.00)[suse.de:s=susede2_rsa,suse.de:s=susede2_ed25519]; FROM_EQ_ENVFROM(0.00)[]; FROM_HAS_DN(0.00)[]; RCPT_COUNT_THREE(0.00)[3]; RCVD_COUNT_TWO(0.00)[2]; TO_MATCH_ENVRCPT_ALL(0.00)[]; DBL_BLOCKED_OPENRESOLVER(0.00)[imap1.dmz-prg2.suse.org:helo,imap1.dmz-prg2.suse.org:rdns,suse.de:mid,suse.de:dkim]; DKIM_TRACE(0.00)[suse.de:+] X-Spam-Flag: NO X-Spam-Score: -3.51 X-Spam-Level: On Mon, 05 Oct 2026 14:35:25 +0200, Prateek Yadav wrote: > > The LG gram 16 (16Z90SP, SSID 1854:053b) drives its internal speakers > through Samsung-style smart amplifiers on an ALC298. Nothing > initialises them, so the internal speakers are silent after a cold > boot, while headphones, HDMI and the microphones work. A warm reboot > masks the problem, as the amps stay initialised. > > Evidence (kernel 7.2.5-3-omarchy, sof-firmware 2025.12.2-1, > PipeWire 1.6.8): > - aplay -D plughw:0,0 completes with exit 0 but no audible output. > - During playback the codec shows Node 0x03 Converter stream=1, > Amp-Out vals [0x69 0x69] unmuted, and Pin 0x17 OUT with EAPD on — > the digital path is correct, the amps simply never start. > - Headphone Jack reports off, Speaker Phantom Jack reports on. > - Running the known 4-amp hda-verb init sequence > (amps 0x38/0x39/0x3C/0x3D, cf. joshuagrisham/galaxy-book2-pro-linux > necessary-verbs.sh) restores speaker output immediately. > - Machine dual-boots Windows, which explains cold-boot-only silence. > > This mirrors the 16Z90TR (1854:0554) case fixed with > ALC298_FIXUP_SAMSUNG_AMP_V2_2_AMPS, and the 16" 16Z90R-A (1854:0489) > which uses the 4-amp variant. I verified the 4-amp init works on this > machine; please adjust to _2_AMPS if COEF 0x22 indicates two amps. > > sound/hda/codecs/realtek/alc269.c | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/sound/hda/codecs/realtek/alc269.c > b/sound/hda/codecs/realtek/alc269.c > --- a/sound/hda/codecs/realtek/alc269.c > +++ b/sound/hda/codecs/realtek/alc269.c > @@ -8114,6 +8114,7 @@ static const struct hda_quirk alc269_fixup_tbl[] = { >   SND_PCI_QUIRK(0x1854, 0x0489, "LG gram 16 (16Z90R-A)", > ALC298_FIXUP_SAMSUNG_AMP_V2_4_AMPS), >   SND_PCI_QUIRK(0x1854, 0x048a, "LG gram 17 (17ZD90R)", > ALC298_FIXUP_SAMSUNG_AMP_V2_4_AMPS), >   SND_PCI_QUIRK(0x1854, 0x0490, "LG Gram Style 14 (14Z90RS)", > ALC298_FIXUP_LG_GRAM_STYLE_14), > +   SND_PCI_QUIRK(0x1854, 0x053b, "LG gram 16 (16Z90SP)", > ALC298_FIXUP_SAMSUNG_AMP_V2_4_AMPS), >   SND_PCI_QUIRK(0x1854, 0x0554, "LG gram 16 (16Z90TR)", > ALC298_FIXUP_SAMSUNG_AMP_V2_2_AMPS), > > Hardware: LG 16Z90SP-A.AD7BG, Intel Meteor Lake-P HD Audio [8086:7e28], > Realtek ALC298 [10ec:0298] rev 0x100103, SSID 1854:053b. > ALSA info: > https://alsa-project.org/db/?f=7e8c49270f1b902ebb9fa76a4695f8301db040cf > > > Signed-off-by: Prateek prateek.yadav@edu.rptu.de That patch seems wrongly written, and your mailer also broke the spaces and tabs that makes the patch not applicable, unfortunately. The whole description up to Signed-off-by must be in a patch description, and put the diff after that with separation of '---' line. Last but not least, fill a full name with the address quoted with '<>' in Signed-off-by tag (also From tag). At best, try to resubmit via git send-email, which organizes all above nicely. thanks, Takashi