77 	struct stk1160_buffer *buf = NULL;  in stk1160_next_buffer()  local
81 	WARN_ON(dev->isoc_ctl.buf);  in stk1160_next_buffer()
85 		buf = list_first_entry(&dev->avail_bufs,  in stk1160_next_buffer()
87 		list_del(&buf->list);  in stk1160_next_buffer()
91 	return buf;  in stk1160_next_buffer()
97 	struct stk1160_buffer *buf = dev->isoc_ctl.buf;  in stk1160_buffer_done()  local
101 	buf->vb.v4l2_buf.sequence = dev->field_count >> 1;  in stk1160_buffer_done()
102 	buf->vb.v4l2_buf.field = V4L2_FIELD_INTERLACED;  in stk1160_buffer_done()
103 	buf->vb.v4l2_buf.bytesused = buf->bytesused;  in stk1160_buffer_done()
104 	v4l2_get_timestamp(&buf->vb.v4l2_buf.timestamp);  in stk1160_buffer_done()
106 	vb2_set_plane_payload(&buf->vb, 0, buf->bytesused);  in stk1160_buffer_done()
107 	vb2_buffer_done(&buf->vb, VB2_BUF_STATE_DONE);  in stk1160_buffer_done()
109 	dev->isoc_ctl.buf = NULL;  in stk1160_buffer_done()
117 	struct stk1160_buffer *buf = dev->isoc_ctl.buf;  in stk1160_copy_video()  local
118 	u8 *dst = buf->mem;  in stk1160_copy_video()
137 	linesdone = buf->pos / bytesperline;  in stk1160_copy_video()
138 	lineoff = buf->pos % bytesperline; /* offset in current line */  in stk1160_copy_video()
140 	if (!buf->odd)  in stk1160_copy_video()
156 	if (lencopy > buf->bytesused - buf->length) {  in stk1160_copy_video()
157 		lencopy = buf->bytesused - buf->length;  in stk1160_copy_video()
172 		(unsigned long)buf->mem + buf->length) {  in stk1160_copy_video()
179 	buf->bytesused += lencopy;  in stk1160_copy_video()
180 	buf->pos += lencopy;  in stk1160_copy_video()
199 		if (lencopy > buf->bytesused - buf->length) {  in stk1160_copy_video()
200 			lencopy = buf->bytesused - buf->length;  in stk1160_copy_video()
214 			(unsigned long)buf->mem + buf->length) {  in stk1160_copy_video()
222 		buf->bytesused += lencopy;  in stk1160_copy_video()
223 		buf->pos += lencopy;  in stk1160_copy_video()
275 			if (dev->isoc_ctl.buf != NULL)  in stk1160_process_isoc()
278 			dev->isoc_ctl.buf = stk1160_next_buffer(dev);  in stk1160_process_isoc()
279 			if (dev->isoc_ctl.buf == NULL)  in stk1160_process_isoc()
287 		if (dev->isoc_ctl.buf == NULL)  in stk1160_process_isoc()
295 			dev->isoc_ctl.buf->odd = *p & 0x40;  in stk1160_process_isoc()
296 			dev->isoc_ctl.buf->pos = 0;  in stk1160_process_isoc()
443 	dev->isoc_ctl.buf = NULL;  in stk1160_alloc_isoc()