This patch changes the default gspca comp_fac as 30% sometimes causes issues
with the spca561, whose bayer compression does not allways achieve 30%.

Signed-off-by: Hans de Goede <j.w.r.degoede@hhs.nl>

diff -r 15974504cec1 linux/drivers/media/video/gspca/gspca.c
--- a/linux/drivers/media/video/gspca/gspca.c	Fri Jul 04 10:51:37 2008 +0200
+++ b/linux/drivers/media/video/gspca/gspca.c	Fri Jul 04 10:53:35 2008 +0200
@@ -48,7 +48,9 @@
 
 static int video_nr = -1;
 
-static int comp_fac = 30;	/* Buffer size ratio when compressed in % */
+static int comp_fac = 40;	/* Buffer size ratio when compressed in %,
+				   Note 30% is too small for bayer level
+				   compression like the spca561 */
 
 #ifdef CONFIG_VIDEO_ADV_DEBUG
 int gspca_debug = D_ERR | D_PROBE;