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

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>

diff --git a/drivers/media/video/bttv-driver.c b/drivers/media/video/bttv-driver.c
index fdaff5b..6fcc20d 100644 (file)
--- a/drivers/media/video/bttv-driver.c
+++ b/drivers/media/video/bttv-driver.c
@@ -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;

diff --git a/drivers/media/video/video-buf.c b/drivers/media/video/video-buf.c
index bd34f81..9a6bf28 100644 (file)
--- a/drivers/media/video/video-buf.c
+++ b/drivers/media/video/video-buf.c
@@ -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) {