V4L/DVB (8719): gspca: Have VIDIOC_QUERYCTRL more compliant to the spec.

- return -EINVAL when control not supported.
- start the private controls at V4L2_CID_PRIVATE_BASE.
Signed-off-by: NJean-Francois Moine <moinejf@free.fr>
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>

drivers/media/video/gspca/gspca.c

@@ -884,11 +884,6 @@ static int vidioc_queryctrl(struct file *file, void *priv,
 			return 0;
 		}
 	}
-	if (id >= V4L2_CID_BASE
-	    && id <= V4L2_CID_LASTP1) {
-		q_ctrl->flags |= V4L2_CTRL_FLAG_DISABLED;
-		return 0;
-	}
 	return -EINVAL;
 }
 

drivers/media/video/gspca/t613.c

@@ -30,7 +30,7 @@
 
 #define MAX_GAMMA 0x10		/* 0 to 15 */
 
-#define V4L2_CID_EFFECTS (V4L2_CID_PRIVATE_BASE + 3)
+#define V4L2_CID_EFFECTS (V4L2_CID_PRIVATE_BASE + 0)
 
 MODULE_AUTHOR("Leandro Costantino <le_costantino@pixartargentina.com.ar>");
 MODULE_DESCRIPTION("GSPCA/T613 (JPEG Compliance) USB Camera Driver");