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| author | Mauro Carvalho Chehab <mchehab@infradead.org> | 2007-08-27 12:37:34 +0200 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@infradead.org> | 2007-10-10 05:02:49 +0200 |
| commit | 40558dafff257d69248af8b96c7e896f6bc79dfa (patch) | |
| tree | a99e886611d3b672a09bfc2619391055fec7c6df | |
| parent | V4L/DVB (6257): Rename video-buf-dvb to videobuf-dvb to be consistent with th... (diff) | |
| download | linux-40558dafff257d69248af8b96c7e896f6bc79dfa.tar.xz linux-40558dafff257d69248af8b96c7e896f6bc79dfa.zip | |
V4L/DVB (6259): Fix vivi poll() method
Due to the replace of videobuf_read_one to videobuf_read_stream, poll()
method implementation is wrong. This fixes poll() implementation, making
read of /dev/video? to work again.
With this method, an USB driver can use video-buf, without needing to
request memory from the DMA-safe area.
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
| -rw-r--r-- | drivers/media/video/vivi.c | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/drivers/media/video/vivi.c b/drivers/media/video/vivi.c index c14e2b3e4241..01c977671311 100644 --- a/drivers/media/video/vivi.c +++ b/drivers/media/video/vivi.c @@ -1122,9 +1122,8 @@ vivi_poll(struct file *file, struct poll_table_struct *wait) } else { dprintk(1,"poll: read() interface\n"); /* read() capture */ - buf = (struct vivi_buffer*)fh->vb_vidq.read_buf; - if (NULL == buf) - return POLLERR; + return videobuf_poll_stream(file, &fh-> vb_vidq, + wait); } poll_wait(file, &buf->vb.done, wait); if (buf->vb.state == STATE_DONE || |