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Wed, 22 Jan 2025 07:21:26 +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 Yv2TJ3ackGcDHQAAD6G6ig (envelope-from ); Wed, 22 Jan 2025 07:21:26 +0000 Date: Wed, 22 Jan 2025 08:21:26 +0100 Message-ID: <87a5bj8gax.wl-tiwai@suse.de> From: Takashi Iwai To: Samantha Glocker Cc: linux-sound@vger.kernel.org, tiwai@suse.de Subject: Re: possible issue with ALSA: hda/realtek: Use codec SSID matching for Lenovo devices In-Reply-To: References: User-Agent: Wanderlust/2.15.9 (Almost Unreal) Emacs/27.2 Mule/6.0 Precedence: bulk X-Mailing-List: linux-sound@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=US-ASCII X-Spam-Level: X-Spamd-Result: default: False [-3.30 / 50.00]; BAYES_HAM(-3.00)[99.99%]; MID_CONTAINS_FROM(1.00)[]; NEURAL_HAM_LONG(-1.00)[-1.000]; NEURAL_HAM_SHORT(-0.20)[-0.993]; MIME_GOOD(-0.10)[text/plain]; MIME_TRACE(0.00)[0:+]; RCVD_VIA_SMTP_AUTH(0.00)[]; TO_DN_SOME(0.00)[]; ARC_NA(0.00)[]; RCVD_TLS_ALL(0.00)[]; FUZZY_BLOCKED(0.00)[rspamd.com]; RCPT_COUNT_THREE(0.00)[3]; FROM_HAS_DN(0.00)[]; DKIM_SIGNED(0.00)[suse.de:s=susede2_rsa,suse.de:s=susede2_ed25519]; FROM_EQ_ENVFROM(0.00)[]; TO_MATCH_ENVRCPT_ALL(0.00)[]; RCVD_COUNT_TWO(0.00)[2]; DBL_BLOCKED_OPENRESOLVER(0.00)[imap1.dmz-prg2.suse.org:helo] X-Spam-Score: -3.30 X-Spam-Flag: NO On Wed, 22 Jan 2025 01:58:16 +0100, Samantha Glocker wrote: > > Hi, I'm a kernel maintainer from nobara and ASUS-Linux. > > I've bifurcated an issue with sound on Lenovo Legion laptop(s) > starting from mainline 6.12.5, verified on Fedora proper, Nobara, and > CachyOS. > > From the changelog, > https://patch.msgid.link/20241008120233.7154-4-tiwai@suse.de looks > like a likely candidate due to touching TAS2781 / TIA2781. > > The issue will possibly affect sound on any or all Lenovo Legion Gen 8 and 9. > > The obvious difference in dmesg on my Legion Pro 7 Gen 8 (16ARX8H) on > 6.12.5, is the following line is completely missing: > [ 4.761665] snd_hda_codec_realtek hdaudioC1D0: bound > i2c-TIAS2781:00 (ops tas2781_hda_comp_ops > [snd_hda_scodec_tas2781_i2c]) > > This suggests the TI amplifier is never identified. What's the exact problem? Is it a regression? Any original report on the bug tracker or such? thanks, Takashi