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[03/15] em28xx: fix VIDIOC_DBG_G_CHIP_IDENT compliance errors.

Message ID 1357333186-8466-4-git-send-email-dheitmueller@kernellabs.com (mailing list archive)
State New, archived
Headers show

Commit Message

Devin Heitmueller Jan. 4, 2013, 8:59 p.m. UTC 
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(+)
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Patch

diff --git a/drivers/media/usb/em28xx/em28xx-video.c b/drivers/media/usb/em28xx/em28xx-video.c
index f025440..b71df42 100644
--- a/drivers/media/usb/em28xx/em28xx-video.c
+++ b/drivers/media/usb/em28xx/em28xx-video.c
@@ -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);