diff --git a/sound/usb/quirks.c b/sound/usb/quirks.c
index 3ef983e23a2c..170f68db74fa 100644
--- a/sound/usb/quirks.c
+++ b/sound/usb/quirks.c
@@ -2381,6 +2381,14 @@ void snd_usb_audioformat_attributes_quirk(struct snd_usb_audio *chip,
 		 */
 		fp->attributes &= ~UAC_EP_CS_ATTR_FILL_MAX;
 		break;
+	case USB_ID(0x0a12, 0x1244):  /* Shanling UP4 */
+		/*
+		 * MaxPacketsOnly is set, but the device expects nominal-size
+		 * packets. Filling 48 frames per packet at 44.1 kHz results
+		 * in silence. No effect at 48 kHz, where both sizes match.
+		 */
+		fp->attributes &= ~UAC_EP_CS_ATTR_FILL_MAX;
+		break;
 	case USB_ID(0x1224, 0x2a25):  /* Jieli Technology USB PHY 2.0 */
 		/* mic works only when ep packet size is set to wMaxPacketSize */
 		fp->attributes |= UAC_EP_CS_ATTR_FILL_MAX;