1 files changed, 6 insertions, 3 deletions

diff --git a/drivers/media/video/gspca/zc3xx.c b/drivers/media/video/gspca/zc3xx.c
index 54735dd61bb..998017eacc1 100644
--- a/drivers/media/video/gspca/zc3xx.c
+++ b/drivers/media/video/gspca/zc3xx.c
@@ -194,7 +194,7 @@ static const struct ctrl sd_ctrls[NCTRLS] = {
                 .type    = V4L2_CTRL_TYPE_INTEGER,
                 .name    = "Compression Quality",
                 .minimum = 50,
-                .maximum = 94,
+                .maximum = 87,
                 .step    = 1,
                 .default_value = 75,
             },
@@ -241,8 +241,11 @@ static const struct v4l2_pix_format sif_mode[] = {
                 .priv = 0},
 };
 
-/* bridge reg08 bits 1-2 -> JPEG quality conversion table */
-static u8 jpeg_qual[] = {50, 75, 87, 94};
+/*
+ * Bridge reg08 bits 1-2 -> JPEG quality conversion table. Note the highest
+ * quality setting is not usable as USB 1 does not have enough bandwidth.
+ */
+static u8 jpeg_qual[] = {50, 75, 87, /* 94 */};
 
 /* usb exchanges */
 struct usb_action {