diff options
| author | Sascha Sommer <saschasommer@freenet.de> | 2005-11-08 21:38:10 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2005-11-09 07:56:24 -0800 |
| commit | 52c02fcd00cf6fb6f5b2c8beae3b283c63cf1210 (patch) | |
| tree | 575ef8bbbc7cd82ac9a129563fd2445d46ed7c2e /drivers/media/video/em28xx/em28xx-video.c | |
| parent | 07345f5d6a92bc1184ca8b05069ec1cd3514fe11 (diff) | |
[PATCH] v4l: 850: update em2800 scaler code and comments based on info from empiatech
- Update em2800 scaler code and comments based on info from empiatech
Signed-off-by: Sascha Sommer <saschasommer@freenet.de>
Signed-off-by: Markus Rechberger <mrechberger@gmail.com>
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>
Diffstat (limited to 'drivers/media/video/em28xx/em28xx-video.c')
| -rw-r--r-- | drivers/media/video/em28xx/em28xx-video.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/drivers/media/video/em28xx/em28xx-video.c b/drivers/media/video/em28xx/em28xx-video.c index 9f79c39349f..a569be3e2f2 100644 --- a/drivers/media/video/em28xx/em28xx-video.c +++ b/drivers/media/video/em28xx/em28xx-video.c @@ -1308,14 +1308,18 @@ static int em2820_video_do_ioctl(struct inode *inode, struct file *filp, if (width > maxw) width = maxw; - /* FIXME*/ if(dev->is_em2800){ - /* we only know how to scale to 50% */ + /* the em2800 can only scale down to 50% */ if(height % (maxh / 2)) height=maxh; if(width % (maxw / 2)) width=maxw; - /* larger resoltion don't seem to work either */ + /* according to empiatech support */ + /* the MaxPacketSize is to small to support */ + /* framesizes larger than 640x480 @ 30 fps */ + /* or 640x576 @ 25 fps. As this would cut */ + /* of a part of the image we prefer */ + /* 360x576 or 360x480 for now */ if(width == maxw && height == maxh) width /= 2; } |