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Thu, 9 Jul 2026 09:13:24 +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 enpbJzRmT2r/MAAAD6G6ig (envelope-from ); Thu, 09 Jul 2026 09:13:24 +0000 Date: Thu, 09 Jul 2026 11:13:24 +0200 Message-ID: <875x2o4jbf.wl-tiwai@suse.de> From: Takashi Iwai To: Kailang Cc: " (alsa-devel@alsa-project.org)" , "linux-sound@vger.kernel.org" Subject: Re: Fixed Headphone noise issue for Dell QCM1255 In-Reply-To: <34b990cb56914148ba02fa8e9d176479@realtek.com> References: <34b990cb56914148ba02fa8e9d176479@realtek.com> User-Agent: Wanderlust/2.15.9 (Almost Unreal) Emacs/30.2 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-Flag: NO X-Rspamd-Action: no action X-Spam-Level: X-Spamd-Result: default: False [-3.51 / 50.00]; BAYES_HAM(-3.00)[99.99%]; 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)[-1.000]; MIME_GOOD(-0.10)[text/plain]; MX_GOOD(-0.01)[]; TO_DN_EQ_ADDR_SOME(0.00)[]; RECEIVED_SPAMHAUS_BLOCKED_OPENRESOLVER(0.00)[2a07:de40:b281:106:10:150:64:167:received]; ARC_NA(0.00)[]; TO_DN_SOME(0.00)[]; MIME_TRACE(0.00)[0:+]; FUZZY_RATELIMITED(0.00)[rspamd.com]; RCVD_VIA_SMTP_AUTH(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]; RBL_SPAMHAUS_BLOCKED_OPENRESOLVER(0.00)[2a07:de40:b281:104:10:150:64:97:from]; DBL_BLOCKED_OPENRESOLVER(0.00)[imap1.dmz-prg2.suse.org:helo,imap1.dmz-prg2.suse.org:rdns,suse.de:mid,suse.de:dkim]; RCVD_COUNT_TWO(0.00)[2]; TO_MATCH_ENVRCPT_ALL(0.00)[]; DKIM_TRACE(0.00)[suse.de:+] X-Rspamd-Server: rspamd2.dmz-prg2.suse.org X-Rspamd-Queue-Id: D596675DCF X-Spam-Score: -3.51 On Thu, 09 Jul 2026 09:27:14 +0200, Kailang wrote: > > Hi Takashi, > > This platform booted with Ubuntu 24.04 with Pipewire audio server. So, it has pop > noise with headphone. But it's normal with Pulseaudio server. > This patch was the workaround. Connect the headphones to DAC 0x2. > The popping sound will disappear. > > This solution was approved by Dell. > > Thanks. > Kailang Applied now. Thanks. Takashi