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authorHans Verkuil <hverkuil-cisco@xs4all.nl>2019-01-21 14:32:24 +0100
committerMauro Carvalho Chehab <mchehab+samsung@kernel.org>2019-02-07 18:11:23 +0100
commitcb7130ea67c4319bbf2d810f245ee6f89bbf6ae7 (patch)
tree17202cdf78537d203eb9a5dc43e62c6adada44c5
parentmedia: videobuf: use u64 for the timestamp internally (diff)
downloadlinux-cb7130ea67c4319bbf2d810f245ee6f89bbf6ae7.tar.xz
linux-cb7130ea67c4319bbf2d810f245ee6f89bbf6ae7.zip
media: meye: use u64 for the timestamp internally
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 <hverkuil-cisco@xs4all.nl> Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com> Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
-rw-r--r--drivers/media/pci/meye/meye.c8
-rw-r--r--drivers/media/pci/meye/meye.h2
2 files changed, 5 insertions, 5 deletions
diff --git a/drivers/media/pci/meye/meye.c b/drivers/media/pci/meye/meye.c
index bd870e60c32b..896d2d856795 100644
--- a/drivers/media/pci/meye/meye.c
+++ b/drivers/media/pci/meye/meye.c
@@ -805,7 +805,7 @@ again:
mchip_hsize() * mchip_vsize() * 2);
meye.grab_buffer[reqnr].size = mchip_hsize() * mchip_vsize() * 2;
meye.grab_buffer[reqnr].state = MEYE_BUF_DONE;
- v4l2_get_timestamp(&meye.grab_buffer[reqnr].timestamp);
+ meye.grab_buffer[reqnr].ts = ktime_get_ns();
meye.grab_buffer[reqnr].sequence = sequence++;
kfifo_in_locked(&meye.doneq, (unsigned char *)&reqnr,
sizeof(int), &meye.doneq_lock);
@@ -826,7 +826,7 @@ again:
size);
meye.grab_buffer[reqnr].size = size;
meye.grab_buffer[reqnr].state = MEYE_BUF_DONE;
- v4l2_get_timestamp(&meye.grab_buffer[reqnr].timestamp);
+ meye.grab_buffer[reqnr].ts = ktime_get_ns();
meye.grab_buffer[reqnr].sequence = sequence++;
kfifo_in_locked(&meye.doneq, (unsigned char *)&reqnr,
sizeof(int), &meye.doneq_lock);
@@ -1283,7 +1283,7 @@ static int vidioc_querybuf(struct file *file, void *fh, struct v4l2_buffer *buf)
buf->flags |= V4L2_BUF_FLAG_DONE;
buf->field = V4L2_FIELD_NONE;
- buf->timestamp = meye.grab_buffer[index].timestamp;
+ buf->timestamp = ns_to_timeval(meye.grab_buffer[index].ts);
buf->sequence = meye.grab_buffer[index].sequence;
buf->memory = V4L2_MEMORY_MMAP;
buf->m.offset = index * gbufsize;
@@ -1349,7 +1349,7 @@ static int vidioc_dqbuf(struct file *file, void *fh, struct v4l2_buffer *buf)
buf->bytesused = meye.grab_buffer[reqnr].size;
buf->flags = V4L2_BUF_FLAG_MAPPED | V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
buf->field = V4L2_FIELD_NONE;
- buf->timestamp = meye.grab_buffer[reqnr].timestamp;
+ buf->timestamp = ns_to_timeval(meye.grab_buffer[reqnr].ts);
buf->sequence = meye.grab_buffer[reqnr].sequence;
buf->memory = V4L2_MEMORY_MMAP;
buf->m.offset = reqnr * gbufsize;
diff --git a/drivers/media/pci/meye/meye.h b/drivers/media/pci/meye/meye.h
index c4a8a5fe040c..0af868eb6210 100644
--- a/drivers/media/pci/meye/meye.h
+++ b/drivers/media/pci/meye/meye.h
@@ -277,7 +277,7 @@
struct meye_grab_buffer {
int state; /* state of buffer */
unsigned long size; /* size of jpg frame */
- struct timeval timestamp; /* timestamp */
+ u64 ts; /* timestamp */
unsigned long sequence; /* sequence number */
};