[media] vb2: Return 0 when streamon and streamoff are already on/off
According to the doc: If VIDIOC_STREAMON is called when streaming is already in progress, or if VIDIOC_STREAMOFF is called when streaming is already stopped, then the ioctl does nothing and 0 is returned. The current implementation was returning -EINVAL instead. Signed-off-by: Ricardo Ribalda Delgado <ricardo.ribalda@gmail.com> Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com> Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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@ -1697,8 +1697,8 @@ int vb2_streamon(struct vb2_queue *q, enum v4l2_buf_type type)
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}
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}
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if (q->streaming) {
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if (q->streaming) {
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dprintk(1, "streamon: already streaming\n");
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dprintk(3, "streamon successful: already streaming\n");
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return -EBUSY;
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return 0;
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}
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}
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/*
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/*
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@ -1754,8 +1754,8 @@ int vb2_streamoff(struct vb2_queue *q, enum v4l2_buf_type type)
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}
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}
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if (!q->streaming) {
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if (!q->streaming) {
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dprintk(1, "streamoff: not streaming\n");
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dprintk(3, "streamoff successful: not streaming\n");
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return -EINVAL;
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return 0;
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}
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}
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/*
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/*
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