diff options
| -rw-r--r-- | drivers/media/platform/coda/coda-common.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/media/platform/coda/coda-common.c b/drivers/media/platform/coda/coda-common.c index 6f32e6d..329c2a4 100644 --- a/drivers/media/platform/coda/coda-common.c +++ b/drivers/media/platform/coda/coda-common.c @@ -1541,6 +1541,13 @@ static int coda_queue_init(struct coda_ctx *ctx, struct vb2_queue *vq) vq->buf_struct_size = sizeof(struct v4l2_m2m_buffer); vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY; vq->lock = &ctx->dev->dev_mutex; + /* One way to indicate end-of-stream for coda is to set the + * bytesused == 0. However by default videobuf2 handles bytesused + * equal to 0 as a special case and changes its value to the size + * of the buffer. Set the allow_zero_bytesused flag, so + * that videobuf2 will keep the value of bytesused intact. + */ + vq->allow_zero_bytesused = 1; return vb2_queue_init(vq); } |