diff options
-rw-r--r-- | drivers/media/video/gspca/mr97310a.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/media/video/gspca/mr97310a.c b/drivers/media/video/gspca/mr97310a.c index abc56e37efc..f282f800070 100644 --- a/drivers/media/video/gspca/mr97310a.c +++ b/drivers/media/video/gspca/mr97310a.c @@ -842,8 +842,9 @@ static void setexposure(struct gspca_dev *gspca_dev) return; if (sd->cam_type == CAM_TYPE_CIF && sd->sensor_type == 1) { - /* This cam does not like very low exposure settings */ - exposure = (sd->exposure < 300) ? 300 : sd->exposure; + /* This cam does not like exposure settings > 300, + so scale 0 - 4095 to 300 - 4095 */ + exposure = (sd->exposure * 9267) / 10000 + 300; sensor_write1(gspca_dev, 3, exposure >> 4); sensor_write1(gspca_dev, 4, exposure & 0x0f); } else { |