From: "Lad, Prabhakar" <prabhakar.cse...@gmail.com>
V4L2 drivers should use MONOTONIC timestamps instead of gettimeofday,
which is affected by daylight savings time.
Signed-off-by: Lad, Prabhakar <prabhakar.cse...@gmail.com>
---
drivers/staging/media/davinci_vpfe/vpfe_video.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/staging/media/davinci_vpfe/vpfe_video.c
b/drivers/staging/media/davinci_vpfe/vpfe_video.c
index 6744192..87048a1 100644
--- a/drivers/staging/media/davinci_vpfe/vpfe_video.c
+++ b/drivers/staging/media/davinci_vpfe/vpfe_video.c
@@ -470,7 +470,7 @@ void vpfe_video_process_buffer_complete(struct
vpfe_video_device *video)
{
struct vpfe_pipeline *pipe = &video->pipe;
- do_gettimeofday(&video->cur_frm->vb.v4l2_buf.timestamp);
+ v4l2_get_timestamp(&video->cur_frm->vb.v4l2_buf.timestamp);
vb2_buffer_done(&video->cur_frm->vb, VB2_BUF_STATE_DONE);
if (pipe->state == VPFE_PIPELINE_STREAM_CONTINUOUS)
video->cur_frm = video->next_frm;
@@ -1337,6 +1337,7 @@ static int vpfe_reqbufs(struct file *file, void *priv,
q->ops = &video_qops;
q->mem_ops = &vb2_dma_contig_memops;
q->buf_struct_size = sizeof(struct vpfe_cap_buffer);
+ q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
ret = vb2_queue_init(q);
if (ret) {
--
2.1.4
--
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