On 06/16/2017 01:39 AM, Gustavo Padovan wrote: > From: Gustavo Padovan <gustavo.pado...@collabora.com> > > Instead of assigning the global v4l2 device, assign the specific device. > This was causing trouble when using using V4L2 events with vivid > devices. The device's queue should be the same we opened in userspace. > > Signed-off-by: Gustavo Padovan <gustavo.pado...@collabora.com> > --- > drivers/media/platform/vivid/vivid-core.c | 10 +++++----- > 1 file changed, 5 insertions(+), 5 deletions(-) > > diff --git a/drivers/media/platform/vivid/vivid-core.c > b/drivers/media/platform/vivid/vivid-core.c > index ef344b9..8843170 100644 > --- a/drivers/media/platform/vivid/vivid-core.c > +++ b/drivers/media/platform/vivid/vivid-core.c > @@ -1070,7 +1070,7 @@ static int vivid_create_instance(struct platform_device > *pdev, int inst) > q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC; > q->min_buffers_needed = 2; > q->lock = &dev->mutex; > - q->dev = dev->v4l2_dev.dev; > + q->dev = &dev->vid_cap_dev.dev;
Does this work in all cases? My concern is that in some code paths q->dev might be used to initiate release perhaps. Fore example v4l2_dev.release is vivid_dev_release() dev->v4l2_dev.release = vivid_dev_release; vid_cap_dev release is video_device_release_empty This is one difference, but there might be others and the code paths that might depend on q->dev being the v4l2_dev.dev which is the global dev. > > ret = vb2_queue_init(q); > if (ret) > @@ -1090,7 +1090,7 @@ static int vivid_create_instance(struct platform_device > *pdev, int inst) > q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC; > q->min_buffers_needed = 2; > q->lock = &dev->mutex; > - q->dev = dev->v4l2_dev.dev; > + q->dev = &dev->vid_out_dev.dev; > > ret = vb2_queue_init(q); > if (ret) > @@ -1110,7 +1110,7 @@ static int vivid_create_instance(struct platform_device > *pdev, int inst) > q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC; > q->min_buffers_needed = 2; > q->lock = &dev->mutex; > - q->dev = dev->v4l2_dev.dev; > + q->dev = &dev->vbi_cap_dev.dev; > > ret = vb2_queue_init(q); > if (ret) > @@ -1130,7 +1130,7 @@ static int vivid_create_instance(struct platform_device > *pdev, int inst) > q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC; > q->min_buffers_needed = 2; > q->lock = &dev->mutex; > - q->dev = dev->v4l2_dev.dev; > + q->dev = &dev->vbi_out_dev.dev; > > ret = vb2_queue_init(q); > if (ret) > @@ -1149,7 +1149,7 @@ static int vivid_create_instance(struct platform_device > *pdev, int inst) > q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC; > q->min_buffers_needed = 8; > q->lock = &dev->mutex; > - q->dev = dev->v4l2_dev.dev; > + q->dev = &dev->sdr_cap_dev.dev; > > ret = vb2_queue_init(q); > if (ret) > thanks, -- Shuah
