[media] gspca - sonixj: Fix the darkness of sensor om6802 in 320x240

The images are clearer with a lower bridge clock.

Signed-off-by: Jean-François Moine <moinejf@free.fr>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

1 files changed, 4 insertions, 0 deletions

diff --git a/drivers/media/video/gspca/sonixj.c b/drivers/media/video/gspca/sonixj.c
index 2ad757dc2e1c..c477ad11f103 100644
--- a/drivers/media/video/gspca/sonixj.c
+++ b/drivers/media/video/gspca/sonixj.c
@@ -2532,6 +2532,10 @@ static int sd_start(struct gspca_dev *gspca_dev)
                 if (!mode) {                    /* if 640x480 */
                         reg17 &= ~MCK_SIZE_MASK;
                         reg17 |= 0x04;          /* clock / 4 */
+                } else {
+                        reg01 &= ~SYS_SEL_48M;  /* clk 24Mz */
+                        reg17 &= ~MCK_SIZE_MASK;
+                        reg17 |= 0x02;          /* clock / 2 */
                 }
                 break;
         case SENSOR_OV7630: