diff options
Diffstat (limited to 'drivers/media/video/gspca/sn9c20x.c')
| -rw-r--r-- | drivers/media/video/gspca/sn9c20x.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/media/video/gspca/sn9c20x.c b/drivers/media/video/gspca/sn9c20x.c index 6b155ae..1e0f219 100644 --- a/drivers/media/video/gspca/sn9c20x.c +++ b/drivers/media/video/gspca/sn9c20x.c @@ -1224,8 +1224,17 @@ static int i2c_r2(struct gspca_dev *gspca_dev, u8 reg, u16 *val) static int ov9650_init_sensor(struct gspca_dev *gspca_dev) { int i; + u16 id; struct sd *sd = (struct sd *) gspca_dev; + if (i2c_r2(gspca_dev, 0x1c, &id) < 0) + return -EINVAL; + + if (id != 0x7fa2) { + err("sensor id for ov9650 doesn't match (0x%04x)", id); + return -ENODEV; + } + for (i = 0; i < ARRAY_SIZE(ov9650_init); i++) { if (i2c_w1(gspca_dev, ov9650_init[i].reg, ov9650_init[i].val) < 0) { |
