On 11/15/2016 04:10 AM, Pavel Machek wrote:
Hi!
Add support for OV5647 sensor.
+static int ov5647_write(struct v4l2_subdev *sd, u16 reg, u8 val)
+{
+ int ret;
+ unsigned char data[3] = { reg >> 8, reg & 0xff, val};
+ struct i2c_client *client = v4l2_get_subdevdata(sd);
+
+ ret = i2c_master_send(client, data, 3);
+ if (ret != 3) {
+ dev_dbg(&client->dev, "%s: i2c write error, reg: %x\n",
+ __func__, reg);
+ return ret < 0 ? ret : -EIO;
+ }
+ return 0;
+}
Sorry, this is wrong. It should something <0 any time error is detected.
It seems to me that it does return a value < 0 each time an error is detected.
Guenter
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