- [DVB] fix videodev has no release callback

- [DVB] use PAGE_SIZE for pagetables, not home-brewn SAA7146_PGTABLE_SIZE

- [DVB] use cpu_to_le32() at various places for endianess independency

- [DVB] turn some error checks into BUG()s

- [DVB] make saa7146_i2c_adapter_prepare() support an adapter class

- [DVB] add support for V4L2_PIX_FMT_RGB32 pixelformat

- [DVB] replace generic saa7146 i2c name by card specific name, suggested by
  Uli Luckas <luckas@musoft.de>
Signed-off-by: Michael Hunold <hunold@linuxtv.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>