[03/15] em28xx: fix VIDIOC_DBG_G_CHIP_IDENT compliance errors.
Commit Message
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Devin Heitmueller <dheitmueller@kernellabs.com>
---
drivers/media/usb/em28xx/em28xx-video.c | 8 ++++++++
1 file changed, 8 insertions(+)
@@ -1403,6 +1403,14 @@ static int vidioc_g_chip_ident(struct file *file, void *priv,
chip->ident = V4L2_IDENT_NONE;
chip->revision = 0;
+ if (chip->match.type == V4L2_CHIP_MATCH_HOST) {
+ if (v4l2_chip_match_host(&chip->match))
+ chip->ident = V4L2_IDENT_NONE;
+ return 0;
+ }
+ if (chip->match.type != V4L2_CHIP_MATCH_I2C_DRIVER &&
+ chip->match.type != V4L2_CHIP_MATCH_I2C_ADDR)
+ return -EINVAL;
v4l2_device_call_all(&dev->v4l2_dev, 0, core, g_chip_ident, chip);