ALSA: usb-audio: apply quirk for MOONDROP JU Jiu

It(ID 31b2:0111 JU Jiu) reports a MIN value -12800 for volume control, but
will mute when setting it less than -10880.

Thanks to my girlfriend Kagura for reporting this issue.

Cc: Kagura <me@mail.kagurach.uk>
Cc: stable@vger.kernel.org
Signed-off-by: Cryolitia PukNgae <cryolitia.pukngae@linux.dev>
Link: https://patch.msgid.link/20260402-syy-v1-1-068d3bc30ddc@linux.dev
Signed-off-by: Takashi Iwai <tiwai@suse.de>

diff --git a/sound/usb/mixer.c b/sound/usb/mixer.c
index 69026cf54979a8a04584e6a6eb5da8bfcbcbd410..a25e8145af67e5e9ce80f6bb8b8672507212cae6 100644 (file)
--- a/sound/usb/mixer.c
+++ b/sound/usb/mixer.c
@@ -1204,6 +1204,13 @@ static void volume_control_quirks(struct usb_mixer_elem_info *cval,
                        cval->min = -11264; /* Mute under it */
                }
                break;
+       case USB_ID(0x31b2, 0x0111): /* MOONDROP JU Jiu */
+               if (!strcmp(kctl->id.name, "PCM Playback Volume")) {
+                       usb_audio_info(chip,
+                                      "set volume quirk for MOONDROP JU Jiu\n");
+                       cval->min = -10880; /* Mute under it */
+               }
+               break;
        }
 }