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

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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>
Acked-by: Lad, Prabhakar <prabhakar.csengg@gmail.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
This commit is contained in:
Benoit Parrot 2019-09-30 10:06:38 -03:00 committed by Mauro Carvalho Chehab
parent 7359fac5a4
commit 1bc06fdbdf
1 changed files with 3 additions and 2 deletions
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5
drivers/media/i2c/ov2659.c
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@ -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);
}