diff options
Diffstat (limited to 'linux/drivers/media/video/ov7670.c')
| -rw-r--r-- | linux/drivers/media/video/ov7670.c | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/linux/drivers/media/video/ov7670.c b/linux/drivers/media/video/ov7670.c index 1fee42eaa..d68f36851 100644 --- a/linux/drivers/media/video/ov7670.c +++ b/linux/drivers/media/video/ov7670.c @@ -16,6 +16,7 @@ #include <linux/videodev.h> #include "compat.h" #include <media/v4l2-common.h> +#include <media/v4l2-chip-ident.h> #include <linux/i2c.h> @@ -1314,9 +1315,16 @@ static int ov7670_command(struct i2c_client *client, unsigned int cmd, void *arg) { switch (cmd) { - case VIDIOC_INT_G_CHIP_IDENT: - * (enum v4l2_chip_ident *) arg = V4L2_IDENT_OV7670; + case VIDIOC_G_CHIP_IDENT: + { + struct v4l2_chip_ident *chip = arg; + + if (!v4l2_chip_match_i2c_client(client, chip->match_type, chip->match_chip)) + return -EINVAL; + chip->ident = V4L2_IDENT_OV7670; + chip->revision = 0; return 0; + } case VIDIOC_INT_RESET: ov7670_reset(client); |