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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-ioctl.c
parentfa655dda5ce6e5ac4a9b94fd451358edca2ddab8 (diff)
downloadop-kernel-dev-52fcb3ecc6707f52dfe4297f96b7609d4ba517fb.zip
op-kernel-dev-52fcb3ecc6707f52dfe4297f96b7609d4ba517fb.tar.gz
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-ioctl.c')
-rw-r--r--drivers/media/video/cx18/cx18-ioctl.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/media/video/cx18/cx18-ioctl.c b/drivers/media/video/cx18/cx18-ioctl.c
index 6539b03..3e4fc19 100644
--- a/drivers/media/video/cx18/cx18-ioctl.c
+++ b/drivers/media/video/cx18/cx18-ioctl.c
@@ -910,7 +910,8 @@ static int cx18_log_status(struct file *file, void *fh)
continue;
CX18_INFO("Stream %s: status 0x%04lx, %d%% of %d KiB (%d buffers) in use\n",
s->name, s->s_flags,
- atomic_read(&s->q_full.depth) * 100 / s->buffers,
+ atomic_read(&s->q_full.depth) * s->bufs_per_mdl * 100
+ / s->buffers,
(s->buffers * s->buf_size) / 1024, s->buffers);
}
CX18_INFO("Read MPEG/VBI: %lld/%lld bytes\n",
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