[media] gspca - sonixj: Increase the exposure for sensor soi768

Lower exposure values give too dark images.
Signed-off-by: NJean-François Moine <moinejf@free.fr>
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>

drivers/media/video/gspca/sonixj.c

@@ -1279,7 +1279,7 @@ static const u8 soi768_sensor_param1[][8] = {
 			/* global gain ? : 07 - change with 0x15 at the end */
 	{0xa1, 0x21, 0x10, 0x3f, 0x00, 0x00, 0x00, 0x10}, /* ???? : 063f */
 	{0xa1, 0x21, 0x04, 0x06, 0x00, 0x00, 0x00, 0x10},
-	{0xb1, 0x21, 0x2d, 0x00, 0x02, 0x00, 0x00, 0x10},
+	{0xb1, 0x21, 0x2d, 0x63, 0x03, 0x00, 0x00, 0x10},
 			/* exposure ? : 0200 - change with 0x1e at the end */
 	{}
 };