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authorAndy Walls <awalls@radix.net>2009-11-08 23:45:24 -0300
committerMauro Carvalho Chehab <mchehab@redhat.com>2009-12-05 18:41:51 -0200
commit52fcb3ecc6707f52dfe4297f96b7609d4ba517fb (patch)
treefe8ecd66c20b10e8b2ba63c667a6afe78c23a2e1 /drivers/media/video/cx18/cx18-driver.c
parentfa655dda5ce6e5ac4a9b94fd451358edca2ddab8 (diff)
V4L/DVB (13429): cx18: Add Memory Descriptor List (MDL) layer to buffer handling
Add a Memory Descriptor List (MDL) layer to buffer handling to implement scatter-gather I/O. Currently there is still only 1 buffer per MDL. Signed-off-by: Andy Walls <awalls@radix.net> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/video/cx18/cx18-driver.c')
-rw-r--r--drivers/media/video/cx18/cx18-driver.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/media/video/cx18/cx18-driver.c b/drivers/media/video/cx18/cx18-driver.c
index e12082b8a08..ba4c3ceffbb 100644
--- a/drivers/media/video/cx18/cx18-driver.c
+++ b/drivers/media/video/cx18/cx18-driver.c
@@ -669,6 +669,12 @@ static int __devinit cx18_init_struct1(struct cx18 *cx)
cx->vbi.in.type = V4L2_BUF_TYPE_VBI_CAPTURE;
cx->vbi.sliced_in = &cx->vbi.in.fmt.sliced;
+ /* IVTV style VBI insertion into MPEG streams */
+ INIT_LIST_HEAD(&cx->vbi.sliced_mpeg_buf.list);
+ INIT_LIST_HEAD(&cx->vbi.sliced_mpeg_mdl.list);
+ INIT_LIST_HEAD(&cx->vbi.sliced_mpeg_mdl.buf_list);
+ list_add(&cx->vbi.sliced_mpeg_buf.list,
+ &cx->vbi.sliced_mpeg_mdl.buf_list);
return 0;
}