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-rw-r--r--sound/usb/mixer_maps.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/sound/usb/mixer_maps.c b/sound/usb/mixer_maps.c
index 41daaa24c25f..e71fe55cebef 100644
--- a/sound/usb/mixer_maps.c
+++ b/sound/usb/mixer_maps.c
@@ -341,6 +341,14 @@ static struct usbmix_ctl_map usbmix_ctl_maps[] = {
 		.map = audigy2nx_map,
 		.selector_map = audigy2nx_selectors,
 	},
+	{	/* Logitech, Inc. QuickCam Pro for Notebooks */
+		.id = USB_ID(0x046d, 0x0991),
+		.ignore_ctl_error = 1,
+	},
+	{	/* Logitech, Inc. QuickCam E 3500 */
+		.id = USB_ID(0x046d, 0x09a4),
+		.ignore_ctl_error = 1,
+	},
 	{
 		/* Hercules DJ Console (Windows Edition) */
 		.id = USB_ID(0x06f8, 0xb000),