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path: root/drivers/media/video/au0828/au0828-video.c
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Diffstat (limited to 'drivers/media/video/au0828/au0828-video.c')
-rw-r--r--drivers/media/video/au0828/au0828-video.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/media/video/au0828/au0828-video.c b/drivers/media/video/au0828/au0828-video.c
index 0dd138370b62..ce80882d45e2 100644
--- a/drivers/media/video/au0828/au0828-video.c
+++ b/drivers/media/video/au0828/au0828-video.c
@@ -1348,7 +1348,15 @@ static int vidioc_g_chip_ident(struct file *file, void *priv,
chip->ident = V4L2_IDENT_NONE;
chip->revision = 0;
+ if (v4l2_chip_match_host(&chip->match)) {
+ chip->ident = V4L2_IDENT_AU0828;
+ return 0;
+ }
+
au0828_call_i2c_clients(dev, VIDIOC_DBG_G_CHIP_IDENT, chip);
+ if (chip->ident == V4L2_IDENT_NONE)
+ return -EINVAL;
+
return 0;
}