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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>
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);
}