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path: root/drivers/media/i2c
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Diffstat (limited to 'drivers/media/i2c')
-rw-r--r--drivers/media/i2c/soc_camera/mt9m001.c6
-rw-r--r--drivers/media/i2c/soc_camera/mt9t031.c6
-rw-r--r--drivers/media/i2c/soc_camera/mt9v022.c4
3 files changed, 8 insertions, 8 deletions
diff --git a/drivers/media/i2c/soc_camera/mt9m001.c b/drivers/media/i2c/soc_camera/mt9m001.c
index df97033fa6ef..dbd8c142d6ef 100644
--- a/drivers/media/i2c/soc_camera/mt9m001.c
+++ b/drivers/media/i2c/soc_camera/mt9m001.c
@@ -403,7 +403,7 @@ static int mt9m001_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, MT9M001_GLOBAL_GAIN, data);
@@ -413,7 +413,7 @@ static int mt9m001_s_ctrl(struct v4l2_ctrl *ctrl)
/* Pack it into 1.125..15 variable step, register values 9..67 */
/* We assume qctrl->maximum - qctrl->default_value - 1 > 0 */
unsigned long range = ctrl->maximum - ctrl->default_value - 1;
- unsigned long gain = ((ctrl->val - ctrl->default_value - 1) *
+ unsigned long gain = ((ctrl->val - (s32)ctrl->default_value - 1) *
111 + range / 2) / range + 9;
if (gain <= 32)
@@ -434,7 +434,7 @@ static int mt9m001_s_ctrl(struct v4l2_ctrl *ctrl)
case V4L2_CID_EXPOSURE_AUTO:
if (ctrl->val == V4L2_EXPOSURE_MANUAL) {
unsigned long range = exp->maximum - exp->minimum;
- unsigned long shutter = ((exp->val - exp->minimum) * 1048 +
+ unsigned long shutter = ((exp->val - (s32)exp->minimum) * 1048 +
range / 2) / range + 1;
dev_dbg(&client->dev,
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;
diff --git a/drivers/media/i2c/soc_camera/mt9v022.c b/drivers/media/i2c/soc_camera/mt9v022.c
index f9f95f815b1a..99022c8d76eb 100644
--- a/drivers/media/i2c/soc_camera/mt9v022.c
+++ b/drivers/media/i2c/soc_camera/mt9v022.c
@@ -583,7 +583,7 @@ static int mt9v022_s_ctrl(struct v4l2_ctrl *ctrl)
/* mt9v022 has minimum == default */
unsigned long range = gain->maximum - gain->minimum;
/* Valid values 16 to 64, 32 to 64 must be even. */
- unsigned long gain_val = ((gain->val - gain->minimum) *
+ unsigned long gain_val = ((gain->val - (s32)gain->minimum) *
48 + range / 2) / range + 16;
if (gain_val >= 32)
@@ -608,7 +608,7 @@ static int mt9v022_s_ctrl(struct v4l2_ctrl *ctrl)
} else {
struct v4l2_ctrl *exp = mt9v022->exposure;
unsigned long range = exp->maximum - exp->minimum;
- unsigned long shutter = ((exp->val - exp->minimum) *
+ unsigned long shutter = ((exp->val - (s32)exp->minimum) *
479 + range / 2) / range + 1;
/*