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| author | Andy Walls <awalls@radix.net> | 2009-11-08 23:45:24 -0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2009-12-05 18:41:51 -0200 |
| commit | 52fcb3ecc6707f52dfe4297f96b7609d4ba517fb (patch) | |
| tree | fe8ecd66c20b10e8b2ba63c667a6afe78c23a2e1 /drivers/media/video/cx18/cx18-driver.c | |
| parent | fa655dda5ce6e5ac4a9b94fd451358edca2ddab8 (diff) | |
| download | talos-obmc-linux-52fcb3ecc6707f52dfe4297f96b7609d4ba517fb.tar.gz talos-obmc-linux-52fcb3ecc6707f52dfe4297f96b7609d4ba517fb.zip | |
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.c | 6 |
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 e12082b8a08d..ba4c3ceffbb3 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; } |
