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[media] em28xx: fix VIDIOC_DBG_G_CHIP_IDENT compliance errors

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Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Devin Heitmueller <dheitmueller@kernellabs.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Hans Verkuil 2012-09-06 09:53:08 -03:00 committed by Mauro Carvalho Chehab
parent dd5a436322
commit 319a55fbe4
1 changed files with 8 additions and 0 deletions
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8
drivers/media/usb/em28xx/em28xx-video.c
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@ -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);