Without these ops the v4l2-compliance blocking wait test will fail.
These ops are required to ensure that when VIDIOC_DQBUF has to
wait for buffers to arrive, the queue lock is correctly released
and retaken. Otherwise the wait for a buffer would block all other
queue ioctls.
Signed-off-by: Hans Verkuil <hverkuil-cisco@xxxxxxxxx>
Cc: Hans de Goede <hdegoede@xxxxxxxxxx>
---
drivers/staging/media/atomisp/pci/atomisp_fops.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/staging/media/atomisp/pci/atomisp_fops.c b/drivers/staging/media/atomisp/pci/atomisp_fops.c
index 50c4123ba006..b180fcbea9b1 100644
--- a/drivers/staging/media/atomisp/pci/atomisp_fops.c
+++ b/drivers/staging/media/atomisp/pci/atomisp_fops.c
@@ -441,6 +441,8 @@ const struct vb2_ops atomisp_vb2_ops = {
.buf_queue = atomisp_buf_queue,
.start_streaming = atomisp_start_streaming,
.stop_streaming = atomisp_stop_streaming,
+ .wait_prepare = vb2_ops_wait_prepare,
+ .wait_finish = vb2_ops_wait_finish,
};
static void atomisp_dev_init_struct(struct atomisp_device *isp)
--
2.43.0
