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Wed, 31 Dec 2025 15:43:18 +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 T3pYIpZEVWkuaQAAD6G6ig (envelope-from ); Wed, 31 Dec 2025 15:43:18 +0000 Date: Wed, 31 Dec 2025 16:43:18 +0100 Message-ID: <87ecoay7vt.wl-tiwai@suse.de> From: Takashi Iwai To: Zhang Heng Cc: perex@perex.cz, tiwai@suse.com, cryolitia.pukngae@linux.dev, kuninori.morimoto.gx@renesas.com, lhi0729@kaist.ac.kr, pav@iki.fi, rene@exactco.de, linux-sound@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH] ALSA: usb-audio: Add Line Out to iterm_names In-Reply-To: <20251229093130.3202058-1-zhangheng@kylinos.cn> References: <20251229093130.3202058-1-zhangheng@kylinos.cn> User-Agent: Wanderlust/2.15.9 (Almost Unreal) Emacs/30.1 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-Spamd-Result: default: False [-3.51 / 50.00]; BAYES_HAM(-3.00)[99.99%]; NEURAL_HAM_LONG(-1.00)[-1.000]; MID_CONTAINS_FROM(1.00)[]; R_DKIM_ALLOW(-0.20)[suse.de:s=susede2_rsa,suse.de:s=susede2_ed25519]; NEURAL_HAM_SHORT(-0.20)[-0.999]; MIME_GOOD(-0.10)[text/plain]; MX_GOOD(-0.01)[]; MIME_TRACE(0.00)[0:+]; DKIM_SIGNED(0.00)[suse.de:s=susede2_rsa,suse.de:s=susede2_ed25519]; TO_MATCH_ENVRCPT_ALL(0.00)[]; TO_DN_SOME(0.00)[]; ARC_NA(0.00)[]; FUZZY_RATELIMITED(0.00)[rspamd.com]; FROM_HAS_DN(0.00)[]; RCVD_TLS_ALL(0.00)[]; RCVD_COUNT_TWO(0.00)[2]; FROM_EQ_ENVFROM(0.00)[]; SPAMHAUS_XBL(0.00)[2a07:de40:b281:104:10:150:64:97:from]; DWL_DNSWL_BLOCKED(0.00)[suse.de:dkim]; RCVD_VIA_SMTP_AUTH(0.00)[]; RCPT_COUNT_SEVEN(0.00)[10]; DKIM_TRACE(0.00)[suse.de:+]; DBL_BLOCKED_OPENRESOLVER(0.00)[imap1.dmz-prg2.suse.org:helo,imap1.dmz-prg2.suse.org:rdns,suse.de:dkim,suse.de:mid] X-Rspamd-Action: no action X-Rspamd-Server: rspamd2.dmz-prg2.suse.org X-Spam-Level: X-Rspamd-Queue-Id: DDAB25BD41 X-Spam-Flag: NO X-Spam-Score: -3.51 On Mon, 29 Dec 2025 10:31:29 +0100, Zhang Heng wrote: > > There are three jack events for a sound card on a desktop computer, > namely Speaker, Headphone, and Desktop Speaker. When both audio > devices are available, users cannot distinguish which audio device > is being used. Can we consider adding Line Out? similar to the HDA > sound card. This can change one of them and reduce the complexity > of the upper layer adaptation of the sound card. > > Signed-off-by: Zhang Heng Is 0x0308 something properly defined standard? If so, we can add the entry, of course. thanks, Takashi > --- > sound/usb/mixer.c | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/sound/usb/mixer.c b/sound/usb/mixer.c > index 3af71d42b9b9..bdde4261d994 100644 > --- a/sound/usb/mixer.c > +++ b/sound/usb/mixer.c > @@ -615,6 +615,7 @@ static struct iterm_name_combo { > { 0x0305, "Room Speaker" }, > { 0x0306, "Com Speaker" }, > { 0x0307, "LFE" }, > + { 0x0308, "Line Out" }, > { 0x0600, "External In" }, > { 0x0601, "Analog In" }, > { 0x0602, "Digital In" }, > -- > 2.47.1 >