summaryrefslogtreecommitdiff
path: root/drivers/media/i2c/ov5640.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/media/i2c/ov5640.c')
-rw-r--r--drivers/media/i2c/ov5640.c17
1 files changed, 9 insertions, 8 deletions
diff --git a/drivers/media/i2c/ov5640.c b/drivers/media/i2c/ov5640.c
index 39a2269c0bee..69f564b0837a 100644
--- a/drivers/media/i2c/ov5640.c
+++ b/drivers/media/i2c/ov5640.c
@@ -1216,7 +1216,7 @@ static int ov5640_set_ae_target(struct ov5640_dev *sensor, int target)
return ov5640_write_reg(sensor, OV5640_REG_AEC_CTRL1F, fast_low);
}
-static int ov5640_binning_on(struct ov5640_dev *sensor)
+static int ov5640_get_binning(struct ov5640_dev *sensor)
{
u8 temp;
int ret;
@@ -1224,8 +1224,8 @@ static int ov5640_binning_on(struct ov5640_dev *sensor)
ret = ov5640_read_reg(sensor, OV5640_REG_TIMING_TC_REG21, &temp);
if (ret)
return ret;
- temp &= 0xfe;
- return temp ? 1 : 0;
+
+ return temp & BIT(0);
}
static int ov5640_set_virtual_channel(struct ov5640_dev *sensor)
@@ -1293,7 +1293,7 @@ static int ov5640_set_mode_exposure_calc(
if (ret < 0)
return ret;
prev_shutter = ret;
- ret = ov5640_binning_on(sensor);
+ ret = ov5640_get_binning(sensor);
if (ret < 0)
return ret;
if (ret && mode->id != OV5640_MODE_720P_1280_720 &&
@@ -1900,16 +1900,12 @@ static int ov5640_g_volatile_ctrl(struct v4l2_ctrl *ctrl)
switch (ctrl->id) {
case V4L2_CID_AUTOGAIN:
- if (!ctrl->val)
- return 0;
val = ov5640_get_gain(sensor);
if (val < 0)
return val;
sensor->ctrls.gain->val = val;
break;
case V4L2_CID_EXPOSURE_AUTO:
- if (ctrl->val == V4L2_EXPOSURE_MANUAL)
- return 0;
val = ov5640_get_exposure(sensor);
if (val < 0)
return val;
@@ -2265,9 +2261,14 @@ static int ov5640_probe(struct i2c_client *client,
/* request optional power down pin */
sensor->pwdn_gpio = devm_gpiod_get_optional(dev, "powerdown",
GPIOD_OUT_HIGH);
+ if (IS_ERR(sensor->pwdn_gpio))
+ return PTR_ERR(sensor->pwdn_gpio);
+
/* request optional reset pin */
sensor->reset_gpio = devm_gpiod_get_optional(dev, "reset",
GPIOD_OUT_HIGH);
+ if (IS_ERR(sensor->reset_gpio))
+ return PTR_ERR(sensor->reset_gpio);
v4l2_i2c_subdev_init(&sensor->sd, client, &ov5640_subdev_ops);