C++ (Cpp) SOLO_VI_STATUS0_PAGE Examples

Example #1

File: solo6010-v4l2.c Project: Stefan-Schmidt/linux-2.6

static void solo_thread_try(struct solo_filehandle *fh)
{
	struct videobuf_buffer *vb;
	unsigned int cur_write;

	for (;;) {
		spin_lock(&fh->slock);

		if (list_empty(&fh->vidq_active))
			break;

		vb = list_first_entry(&fh->vidq_active, struct videobuf_buffer,
				      queue);

		if (!waitqueue_active(&vb->done))
			break;

		cur_write = SOLO_VI_STATUS0_PAGE(solo_reg_read(fh->solo_dev,
							SOLO_VI_STATUS0));
		if (cur_write == fh->old_write)
			break;

		fh->old_write = cur_write;
		list_del(&vb->queue);

		spin_unlock(&fh->slock);

		solo_fillbuf(fh, vb);
	}

	assert_spin_locked(&fh->slock);
	spin_unlock(&fh->slock);
}

Example #2

File: solo6x10-v4l2.c Project: 168519/linux

static void solo_thread_try(struct solo_dev *solo_dev)
{
	struct solo_vb2_buf *vb;

	/* Only "break" from this loop if slock is held, otherwise
	 * just return. */
	for (;;) {
		unsigned int cur_write;

		cur_write = SOLO_VI_STATUS0_PAGE(
			solo_reg_read(solo_dev, SOLO_VI_STATUS0));
		if (cur_write == solo_dev->old_write)
			return;

		spin_lock(&solo_dev->slock);

		if (list_empty(&solo_dev->vidq_active))
			break;

		vb = list_first_entry(&solo_dev->vidq_active, struct solo_vb2_buf,
				      list);

		solo_dev->old_write = cur_write;
		list_del(&vb->list);

		spin_unlock(&solo_dev->slock);

		solo_fillbuf(solo_dev, &vb->vb);
	}

	assert_spin_locked(&solo_dev->slock);
	spin_unlock(&solo_dev->slock);
}

Example #3

File: v4l2.c Project: alexxxwork/solo6x10

static void solo_thread_try(struct solo_filehandle *fh)
{
	struct videobuf_buffer *vb;

	/* Only "break" from this loop if slock is held, otherwise
	 * just return. */
	for (;;) {
		unsigned int cur_write;

		cur_write = SOLO_VI_STATUS0_PAGE(
			solo_reg_read(fh->solo_dev, SOLO_VI_STATUS0));
		if (cur_write == fh->old_write)
			return;

		spin_lock(&fh->slock);

		if (list_empty(&fh->vidq_active))
			break;

		vb = list_first_entry(&fh->vidq_active, struct videobuf_buffer,
				      queue);

		if (!waitqueue_active(&vb->done))
			break;

		fh->old_write = cur_write;
		list_del(&vb->queue);
		vb->state = VIDEOBUF_ACTIVE;

		spin_unlock(&fh->slock);

		solo_fillbuf(fh, vb);
	}

	assert_spin_locked(&fh->slock);
	spin_unlock(&fh->slock);
}