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
99 	buf->vb.sequence = dev->sequence++;  in stk1160_buffer_done()
100 	buf->vb.field = V4L2_FIELD_INTERLACED;  in stk1160_buffer_done()
101 	buf->vb.vb2_buf.planes[0].bytesused = buf->bytesused;  in stk1160_buffer_done()
102 	v4l2_get_timestamp(&buf->vb.timestamp);  in stk1160_buffer_done()
104 	vb2_set_plane_payload(&buf->vb.vb2_buf, 0, buf->bytesused);  in stk1160_buffer_done()
105 	vb2_buffer_done(&buf->vb.vb2_buf, VB2_BUF_STATE_DONE);  in stk1160_buffer_done()
107 	dev->isoc_ctl.buf = NULL;  in stk1160_buffer_done()
115 	struct stk1160_buffer *buf = dev->isoc_ctl.buf;  in stk1160_copy_video()  local
116 	u8 *dst = buf->mem;  in stk1160_copy_video()
135 	linesdone = buf->pos / bytesperline;  in stk1160_copy_video()
136 	lineoff = buf->pos % bytesperline; /* offset in current line */  in stk1160_copy_video()
138 	if (!buf->odd)  in stk1160_copy_video()
154 	if (lencopy > buf->bytesused - buf->length) {  in stk1160_copy_video()
155 		lencopy = buf->bytesused - buf->length;  in stk1160_copy_video()
170 		(unsigned long)buf->mem + buf->length) {  in stk1160_copy_video()
177 	buf->bytesused += lencopy;  in stk1160_copy_video()
178 	buf->pos += lencopy;  in stk1160_copy_video()
197 		if (lencopy > buf->bytesused - buf->length) {  in stk1160_copy_video()
198 			lencopy = buf->bytesused - buf->length;  in stk1160_copy_video()
212 			(unsigned long)buf->mem + buf->length) {  in stk1160_copy_video()
220 		buf->bytesused += lencopy;  in stk1160_copy_video()
221 		buf->pos += lencopy;  in stk1160_copy_video()
273 			if (dev->isoc_ctl.buf != NULL)  in stk1160_process_isoc()
276 			dev->isoc_ctl.buf = stk1160_next_buffer(dev);  in stk1160_process_isoc()
277 			if (dev->isoc_ctl.buf == NULL)  in stk1160_process_isoc()
285 		if (dev->isoc_ctl.buf == NULL)  in stk1160_process_isoc()
293 			dev->isoc_ctl.buf->odd = *p & 0x40;  in stk1160_process_isoc()
294 			dev->isoc_ctl.buf->pos = 0;  in stk1160_process_isoc()
441 	dev->isoc_ctl.buf = NULL;  in stk1160_alloc_isoc()