redonkable/alistair23-linux
redonkable/alistair23-linux
1
0
Fork 0
Code Releases Activity

media: meye: use u64 for the timestamp internally

Browse source 
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>
This commit is contained in:
Hans Verkuil 2019-01-21 08:32:24 -05:00 committed by Mauro Carvalho Chehab
parent 15a40b27be
commit cb7130ea67
2 changed files with 5 additions and 5 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

8
drivers/media/pci/meye/meye.c
View file

@ -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;

2
drivers/media/pci/meye/meye.h
View file

@ -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 */
};