Lines Matching refs:ubuf
43 struct saa7164_user_buffer *ubuf; in saa7164_vbi_buffers_dealloc() local
57 ubuf = list_entry(p, struct saa7164_user_buffer, list); in saa7164_vbi_buffers_dealloc()
59 saa7164_buffer_dealloc_user(ubuf); in saa7164_vbi_buffers_dealloc()
64 ubuf = list_entry(l, struct saa7164_user_buffer, list); in saa7164_vbi_buffers_dealloc()
66 saa7164_buffer_dealloc_user(ubuf); in saa7164_vbi_buffers_dealloc()
80 struct saa7164_user_buffer *ubuf; in saa7164_vbi_buffers_alloc() local
134 ubuf = saa7164_buffer_alloc_user(dev, len); in saa7164_vbi_buffers_alloc()
135 if (ubuf) { in saa7164_vbi_buffers_alloc()
137 list_add_tail(&ubuf->list, &port->list_buf_free.list); in saa7164_vbi_buffers_alloc()
292 struct saa7164_user_buffer *ubuf; in saa7164_vbi_stop_streaming() local
316 ubuf = list_entry(c, struct saa7164_user_buffer, list); in saa7164_vbi_stop_streaming()
317 ubuf->pos = 0; in saa7164_vbi_stop_streaming()
318 list_move_tail(&ubuf->list, &port->list_buf_free.list); in saa7164_vbi_stop_streaming()
483 struct saa7164_user_buffer *ubuf = NULL; in saa7164_vbi_next_buf() local
489 ubuf = list_first_entry(&port->list_buf_used.list, in saa7164_vbi_next_buf()
493 crc = crc32(0, ubuf->data, ubuf->actual_size); in saa7164_vbi_next_buf()
494 if (crc != ubuf->crc) { in saa7164_vbi_next_buf()
497 ubuf, ubuf->crc, crc); in saa7164_vbi_next_buf()
504 dprintk(DBGLVL_VBI, "%s() returns %p\n", __func__, ubuf); in saa7164_vbi_next_buf()
506 return ubuf; in saa7164_vbi_next_buf()
514 struct saa7164_user_buffer *ubuf = NULL; in fops_read() local
556 ubuf = saa7164_vbi_next_buf(port); in fops_read()
558 while ((count > 0) && ubuf) { in fops_read()
561 rem = ubuf->actual_size - ubuf->pos; in fops_read()
564 p = ubuf->data + ubuf->pos; in fops_read()
568 __func__, (int)count, cnt, rem, ubuf, ubuf->pos); in fops_read()
579 ubuf->pos += cnt; in fops_read()
584 if (ubuf->pos > ubuf->actual_size) in fops_read()
587 if (ubuf->pos == ubuf->actual_size) { in fops_read()
592 ubuf->pos = 0; in fops_read()
595 list_move_tail(&ubuf->list, &port->list_buf_free.list); in fops_read()
605 ubuf = saa7164_vbi_next_buf(port); in fops_read()
609 if (!ret && !ubuf) { in fops_read()