linux-kernel - Re: [PATCH] ALSA: usb-audio: Add Line Out to iterm

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Message-ID: <4a500fcc-cff6-489c-8b21-99d844065d09@kylinos.cn>
Date: Sun, 4 Jan 2026 15:21:19 +0800
From: zhangheng <zhangheng@...inos.cn>
To: Jaroslav Kysela <perex@...ex.cz>, Takashi Iwai <tiwai@...e.de>
Cc: tiwai@...e.com, cryolitia.pukngae@...ux.dev,
 kuninori.morimoto.gx@...esas.com, lhi0729@...st.ac.kr, pav@....fi,
 rene@...ctco.de, linux-sound@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] ALSA: usb-audio: Add Line Out to iterm_names

As you mentioned, the current UCM configuration has not been carried out 
yet.

The current alsa information is after updating the firmware, and the 
Speaker has been replaced with Line.

 From the picture, we can see that currently we have three jack events, 
namely "Headphone Jack", "Speaker Jack",

and "Desktop Speaker Jack". We are currently considering replacing 
"Speaker" with "Line Out". Afterwards,

we will proceed with the UCM configuration to ensure it works properly.

get_connector_control_name()
-       if (is_input)
-               strlcat(name, " - Input Jack", name_size);
-       else
-               strlcat(name, " - Output Jack", name_size);
+       strlcat(name, " Jack", name_size);

We have made modifications to this function, so when adapting to HDA or 
USB sound cards,

we believe it can reduce the workload in the sound card adaptation task. 
Referring to HDA sound cards,

the rear headphone jack is usually labeled "Line Out". Therefore, adding 
this enumeration here would be beneficial.

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