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media: v4l: sh_mobile_ceu: Return buffers on streamoff()

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videobuf2 core reports an error when not all buffers have been returned
to the framework:

drivers/media/v4l2-core/videobuf2-core.c:1651
WARN_ON(atomic_read(&q->owned_by_drv_count))

Fix this returning all buffers currently in capture queue.

Signed-off-by: Jacopo Mondi <jacopo+renesas@jmondi.org>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
This commit is contained in:
Jacopo Mondi 2017-11-15 12:59:12 -05:00 committed by Mauro Carvalho Chehab
parent 991232a929
commit 866a6eccdd
1 changed files with 6 additions and 1 deletions
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7
drivers/media/platform/soc_camera/sh_mobile_ceu_camera.c
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@ -451,13 +451,18 @@ static void sh_mobile_ceu_stop_streaming(struct vb2_queue *q)
struct soc_camera_host *ici = to_soc_camera_host(icd->parent);
struct sh_mobile_ceu_dev *pcdev = ici->priv;
struct list_head *buf_head, *tmp;
struct vb2_v4l2_buffer *vbuf;
spin_lock_irq(&pcdev->lock);
pcdev->active = NULL;
list_for_each_safe(buf_head, tmp, &pcdev->capture)
list_for_each_safe(buf_head, tmp, &pcdev->capture) {
vbuf = &list_entry(buf_head, struct sh_mobile_ceu_buffer,
queue)->vb;
vb2_buffer_done(&vbuf->vb2_buf, VB2_BUF_STATE_DONE);
list_del_init(buf_head);
}
spin_unlock_irq(&pcdev->lock);