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/* Linux driver for Philips webcam
Decompression for chipset version 1
( C ) 2004 - 2006 Luc Saillard ( luc @ saillard . org )
NOTE : this version of pwc is an unofficial ( modified ) release of pwc & pcwx
driver and thus may have bugs that are not present in the original version .
Please send bug reports and support requests to < luc @ saillard . org > .
The decompression routines have been implemented by reverse - engineering the
Nemosoft binary pwcx module . Caveat emptor .
This program is free software ; you can redistribute it and / or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation ; either version 2 of the License , or
( at your option ) any later version .
This program is distributed in the hope that it will be useful ,
but WITHOUT ANY WARRANTY ; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE . See the
GNU General Public License for more details .
You should have received a copy of the GNU General Public License
along with this program ; if not , write to the Free Software
Foundation , Inc . , 59 Temple Place , Suite 330 , Boston , MA 02111 - 1307 USA
*/
# include "pwc-dec1.h"
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int pwc_dec1_init ( struct pwc_device * pwc , int type , int release , void * buffer )
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{
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struct pwc_dec1_private * pdec ;
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if ( pwc - > decompress_data = = NULL ) {
pdec = kmalloc ( sizeof ( struct pwc_dec1_private ) , GFP_KERNEL ) ;
if ( pdec = = NULL )
return - ENOMEM ;
pwc - > decompress_data = pdec ;
}
pdec = pwc - > decompress_data ;
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return 0 ;
}