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em28xx: em2800 chips support max width of 640

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Due to hardware limitation, em2800 chips can't work at resolutions
higher than 640x576, since the URB packet size is not enough.

The effect is that the image looses packages and shows a distortion
along the vertical axes.

Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Mauro Carvalho Chehab 2009-11-27 13:49:48 -02:00
parent 491aa96a8c
commit 1ca31892e3
1 changed files with 1 additions and 1 deletions
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2
drivers/media/video/em28xx/em28xx.h
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@ -796,7 +796,7 @@ static inline unsigned int norm_maxw(struct em28xx *dev)
if (dev->board.is_webcam)
return dev->sensor_xres;
if (dev->board.max_range_640_480)
if (dev->board.max_range_640_480 || dev->board.is_em2800)
return 640;
return 720;