From: Hans Verkuil <[email protected]> Just like vb2 does, use u64 internally to store the timestamps of the buffers. Only convert to timeval when interfacing with userspace.
Signed-off-by: Hans Verkuil <[email protected]> --- drivers/media/usb/usbvision/usbvision-core.c | 2 +- drivers/media/usb/usbvision/usbvision-video.c | 4 ++-- drivers/media/usb/usbvision/usbvision.h | 2 +- 3 files changed, 4 insertions(+), 4 deletions(-) diff --git a/drivers/media/usb/usbvision/usbvision-core.c b/drivers/media/usb/usbvision/usbvision-core.c index 31e0e98d6daf..2b843a7b27a4 100644 --- a/drivers/media/usb/usbvision/usbvision-core.c +++ b/drivers/media/usb/usbvision/usbvision-core.c @@ -1160,7 +1160,7 @@ static void usbvision_parse_data(struct usb_usbvision *usbvision) if (newstate == parse_state_next_frame) { frame->grabstate = frame_state_done; - v4l2_get_timestamp(&(frame->timestamp)); + frame->ts = ktime_get_ns(); frame->sequence = usbvision->frame_num; spin_lock_irqsave(&usbvision->queue_lock, lock_flags); diff --git a/drivers/media/usb/usbvision/usbvision-video.c b/drivers/media/usb/usbvision/usbvision-video.c index dd2ff8ed6c6a..e611052ebf59 100644 --- a/drivers/media/usb/usbvision/usbvision-video.c +++ b/drivers/media/usb/usbvision/usbvision-video.c @@ -706,7 +706,7 @@ static int vidioc_querybuf(struct file *file, vb->length = usbvision->curwidth * usbvision->curheight * usbvision->palette.bytes_per_pixel; - vb->timestamp = usbvision->frame[vb->index].timestamp; + vb->timestamp = ns_to_timeval(usbvision->frame[vb->index].ts); vb->sequence = usbvision->frame[vb->index].sequence; return 0; } @@ -775,7 +775,7 @@ static int vidioc_dqbuf(struct file *file, void *priv, struct v4l2_buffer *vb) V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC; vb->index = f->index; vb->sequence = f->sequence; - vb->timestamp = f->timestamp; + vb->timestamp = ns_to_timeval(f->ts); vb->field = V4L2_FIELD_NONE; vb->bytesused = f->scanlength; diff --git a/drivers/media/usb/usbvision/usbvision.h b/drivers/media/usb/usbvision/usbvision.h index 017e7baf5747..d55088b4fd63 100644 --- a/drivers/media/usb/usbvision/usbvision.h +++ b/drivers/media/usb/usbvision/usbvision.h @@ -316,7 +316,7 @@ struct usbvision_frame { long bytes_read; /* amount of scanlength that has been read from data */ struct usbvision_v4l2_format_st v4l2_format; /* format the user needs*/ int v4l2_linesize; /* bytes for one videoline*/ - struct timeval timestamp; + u64 ts; int sequence; /* How many video frames we send to user */ }; -- 2.20.1
