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path: root/drivers/media/video/gspca/m5602/m5602_s5k4aa.c
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Diffstat (limited to 'drivers/media/video/gspca/m5602/m5602_s5k4aa.c')
-rw-r--r--drivers/media/video/gspca/m5602/m5602_s5k4aa.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/media/video/gspca/m5602/m5602_s5k4aa.c b/drivers/media/video/gspca/m5602/m5602_s5k4aa.c
index e564a61..48892b5 100644
--- a/drivers/media/video/gspca/m5602/m5602_s5k4aa.c
+++ b/drivers/media/video/gspca/m5602/m5602_s5k4aa.c
@@ -102,7 +102,11 @@ int s5k4aa_probe(struct sd *sd)
}
/* Test some registers, but we don't know their exact meaning yet */
- if (m5602_read_sensor(sd, 0x00, prod_id, sizeof(prod_id)))
+ if (m5602_read_sensor(sd, 0x00, prod_id, 2))
+ return -ENODEV;
+ if (m5602_read_sensor(sd, 0x02, prod_id+2, 2))
+ return -ENODEV;
+ if (m5602_read_sensor(sd, 0x04, prod_id+4, 2))
return -ENODEV;
if (memcmp(prod_id, expected_prod_id, sizeof(prod_id)))
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