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[PATCH] V4L: Fixes Bttv raw format to fix VIDIOCSPICT ioctl

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Fixes Bttv raw format to fix VIDIOCSPICT ioctl.

Signed-off-by: Michael H. Schimek <mschimek@gmx.at>
Signed-off-by: Nickolay V. Shmyrev <nshmyrev@yandex.ru>
Signed-off-by: Mauro Carvalho Chehab <mchehab@brturbo.com.br>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Michael H. Schimek 2005-12-01 00:51:37 -08:00 committed by Linus Torvalds
parent 943a49027b
commit 13c72805b3
2 changed files with 10 additions and 0 deletions
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9
drivers/media/video/bttv-driver.c
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@ -2290,6 +2290,15 @@ static int bttv_do_ioctl(struct inode *inode, struct file *file,
retval = -EINVAL;
goto fh_unlock_and_return;
}
if (fmt->flags & FORMAT_FLAGS_RAW) {
/* VIDIOCMCAPTURE uses gbufsize, not RAW_BPL *
RAW_LINES * 2. F1 is stored at offset 0, F2
at buffer size / 2. */
fh->width = RAW_BPL;
fh->height = gbufsize / RAW_BPL;
btv->init.width = RAW_BPL;
btv->init.height = gbufsize / RAW_BPL;
}
fh->ovfmt = fmt;
fh->fmt = fmt;
btv->init.ovfmt = fmt;

1
drivers/media/video/video-buf.c
View File

@ -816,6 +816,7 @@ ssize_t videobuf_read_one(struct videobuf_queue *q,
if (NULL == q->read_buf)
goto done;
q->read_buf->memory = V4L2_MEMORY_USERPTR;
q->read_buf->bsize = count; /* preferred size */
field = videobuf_next_field(q);
retval = q->ops->buf_prepare(q,q->read_buf,field);
if (0 != retval) {