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V4L/DVB: tm6000: bugfix image position

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bugfix incorrect image and line position in videobuffer

Signed-off-by: Stefan Ringel <stefan.ringel@arcor.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Stefan Ringel 2010-05-07 12:29:04 -03:00 committed by Mauro Carvalho Chehab
parent 083e472176
commit 3c7c5e9e89
1 changed files with 2 additions and 2 deletions
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4
drivers/staging/tm6000/tm6000-video.c
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@ -225,8 +225,8 @@ static int copy_packet(struct urb *urb, u32 header, u8 **ptr, u8 *endp,
* It should, instead, check if the user selected
* entrelaced or non-entrelaced mode
*/
pos= ((line<<1)+field)*linewidth +
block*TM6000_URB_MSG_LEN;
pos = ((line << 1) - field - 1) * linewidth +
block * TM6000_URB_MSG_LEN;
/* Don't allow to write out of the buffer */
if (pos+TM6000_URB_MSG_LEN > (*buf)->vb.size) {