diff options
| author | Mauro Carvalho Chehab <mchehab@brturbo.com.br> | 2005-11-08 21:37:24 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2005-11-09 07:56:17 -0800 |
| commit | 596d92d5128d308b5a79f21c3e72c87f5fc7e58b (patch) | |
| tree | 3957529296b0765e7979f205a9dd0bce7de1eb7a /drivers/media/video/em28xx/em28xx-core.c | |
| parent | 2b5200a7b19a53969db68c97d379339592ca6a4f (diff) | |
[PATCH] v4l: 767: included support for em2800
- Included support for em2800.
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-core.c')
| -rw-r--r-- | drivers/media/video/em28xx/em28xx-core.c | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/drivers/media/video/em28xx/em28xx-core.c b/drivers/media/video/em28xx/em28xx-core.c index e187422f6d6..594e6d681ba 100644 --- a/drivers/media/video/em28xx/em28xx-core.c +++ b/drivers/media/video/em28xx/em28xx-core.c @@ -1,5 +1,5 @@ /* - em2820-core.c - driver for Empia EM2820/2840 USB video capture devices + em2820-core.c - driver for Empia EM2800/EM2820/2840 USB video capture devices Copyright (C) 2005 Markus Rechberger <mrechberger@gmail.com> Ludovico Cavedon <cavedon@sssup.it> @@ -562,6 +562,11 @@ static inline void em2820_isoc_video_copy(struct em2820 *dev, void *fieldstart, *startwrite, *startread; int linesdone, currlinedone, offset, lencopy,remain; + if(dev->frame_size != (*f)->buf.length){ + em2820_err("frame_size %i and buf.length %i are different!!!\n",dev->frame_size,(*f)->buf.length); + return; + } + if ((*f)->fieldbytesused + len > dev->field_size) len =dev->field_size - (*f)->fieldbytesused; remain = len; @@ -780,6 +785,11 @@ int em2820_set_alternate(struct em2820 *dev) dev->alt = alt; if (dev->alt == 0) { int i; + if(dev->is_em2800){ /* always use the max packet size for em2800 based devices */ + for(i=0;i< EM2820_MAX_ALT; i++) + if(dev->alt_max_pkt_size[i]>dev->alt_max_pkt_size[dev->alt]) + dev->alt=i; + }else{ unsigned int min_pkt_size = dev->field_size / 137; /* FIXME: empiric magic number */ em2820_coredbg("minimum isoc packet size: %u", min_pkt_size); dev->alt = 7; @@ -788,6 +798,7 @@ int em2820_set_alternate(struct em2820 *dev) dev->alt = i; break; } + } } if (dev->alt != prev_alt) { |