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[media] v4l2-ctrls: queryctrl shouldn't attempt to replace V4L2_CID_PRIVATE_BASE IDs

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When queryctrl is called with a V4L2_CID_PRIVATE_BASE control ID, then
currently it is replaced by the real internal ID. This is not according to
the spec so keep the V4L2_CID_PRIVATE_BASE ID in this case.

Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Hans Verkuil 2011-01-16 11:21:40 -03:00 committed by Mauro Carvalho Chehab
parent c959acfddb
commit 829fb2dcb5
1 changed files with 4 additions and 1 deletions
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5
drivers/media/video/v4l2-ctrls.c
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@ -1344,7 +1344,10 @@ int v4l2_queryctrl(struct v4l2_ctrl_handler *hdl, struct v4l2_queryctrl *qc)
ctrl = ref->ctrl;
memset(qc, 0, sizeof(*qc));
qc->id = ctrl->id;
if (id >= V4L2_CID_PRIVATE_BASE)
qc->id = id;
else
qc->id = ctrl->id;
strlcpy(qc->name, ctrl->name, sizeof(qc->name));
qc->minimum = ctrl->minimum;
qc->maximum = ctrl->maximum;