diff options
Diffstat (limited to 'drivers/media/i2c/soc_camera/mt9t031.c')
| -rw-r--r-- | drivers/media/i2c/soc_camera/mt9t031.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/media/i2c/soc_camera/mt9t031.c b/drivers/media/i2c/soc_camera/mt9t031.c index ee7bb0ffcecb..f8358c4071a9 100644 --- a/drivers/media/i2c/soc_camera/mt9t031.c +++ b/drivers/media/i2c/soc_camera/mt9t031.c @@ -474,7 +474,7 @@ static int mt9t031_s_ctrl(struct v4l2_ctrl *ctrl) if (ctrl->val <= ctrl->default_value) { /* Pack it into 0..1 step 0.125, register values 0..8 */ unsigned long range = ctrl->default_value - ctrl->minimum; - data = ((ctrl->val - ctrl->minimum) * 8 + range / 2) / range; + data = ((ctrl->val - (s32)ctrl->minimum) * 8 + range / 2) / range; dev_dbg(&client->dev, "Setting gain %d\n", data); data = reg_write(client, MT9T031_GLOBAL_GAIN, data); @@ -485,7 +485,7 @@ static int mt9t031_s_ctrl(struct v4l2_ctrl *ctrl) /* We assume qctrl->maximum - qctrl->default_value - 1 > 0 */ unsigned long range = ctrl->maximum - ctrl->default_value - 1; /* calculated gain: map 65..127 to 9..1024 step 0.125 */ - unsigned long gain = ((ctrl->val - ctrl->default_value - 1) * + unsigned long gain = ((ctrl->val - (s32)ctrl->default_value - 1) * 1015 + range / 2) / range + 9; if (gain <= 32) /* calculated gain 9..32 -> 9..32 */ @@ -507,7 +507,7 @@ static int mt9t031_s_ctrl(struct v4l2_ctrl *ctrl) case V4L2_CID_EXPOSURE_AUTO: if (ctrl->val == V4L2_EXPOSURE_MANUAL) { unsigned int range = exp->maximum - exp->minimum; - unsigned int shutter = ((exp->val - exp->minimum) * 1048 + + unsigned int shutter = ((exp->val - (s32)exp->minimum) * 1048 + range / 2) / range + 1; u32 old; |