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media: i2c: ov2659: Fix sensor detection to actually fail when device is not present

Make sure that if the expected sensor device id register
is not recognized properly the failure is propagated
up so devices are not left partially initialized.

Signed-off-by: Benoit Parrot <bparrot@ti.com>
Signed-off-by: Jyri Sarha <jsarha@ti.com>
Benoit Parrot 10 年之前
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039f095f93
共有 1 個文件被更改,包括 3 次插入2 次删除
  1. 3 2
      drivers/media/i2c/ov2659.c

+ 3 - 2
drivers/media/i2c/ov2659.c

@@ -1330,11 +1330,12 @@ static int ov2659_detect(struct v4l2_subdev *sd)
 		unsigned short id;
 
 		id = OV265X_ID(pid, ver);
-		if (id != OV2659_ID)
+		if (id != OV2659_ID) {
 			dev_err(&client->dev,
 				"Sensor detection failed (%04X, %d)\n",
 				id, ret);
-		else {
+			ret = -ENODEV;
+		} else {
 			dev_info(&client->dev, "Found OV%04X sensor\n", id);
 			ret = ov2659_init(sd, 0);
 		}