[linux-dvb] Re: [video4linux-cvs] [hg:v4l-dvb] Add support for Opera S1- DVB-USB

hermann pitton hermann-pitton at arcor.de
Thu Apr 19 23:58:47 CEST 2007


Am Freitag, den 20.04.2007, 00:55 +0400 schrieb Manu Abraham:
> Mauro Carvalho Chehab wrote:
> > Em Qui, 2007-04-19 às 16:41 -0400, Michael Krufky escreveu:
> >> Marco Gittler wrote:
> >>> this patch has applied the hints from mkrufky (dvb_attach,
> >>> firmware-naming)
> >>> and also one working rewrite of the i2c addresses stuff to fit the
> >>> kernel i2c reqs.
> >>>
> >>> Signed-off-by: Marco Gittler<g.marco at freenet.de>
> >>> diff -r c8b73ec18b42 linux/drivers/media/dvb/dvb-usb/opera1.c
> >>> --- a/linux/drivers/media/dvb/dvb-usb/opera1.c	Thu Apr 19 12:04:50 2007 -0300
> >>> +++ b/linux/drivers/media/dvb/dvb-usb/opera1.c	Thu Apr 19 20:38:01 2007 +0200
> >>> @@ -25,6 +25,13 @@
> >>>  #define REG_20_SYMBOLRATE_BYTE1 0x20
> >>>  #define REG_21_SYMBOLRATE_BYTE2 0x21
> >>>  
> >>> +#define ADDR_C0_TUNER (0xc0>>1)
> >>> +#define ADDR_D0_PLL (0xd0>>1)
> >>>   
> >> I don't like these two #define's.  These i2c addresses need only be
> >> specified once, in the config structs / frontendfoo_attach calls for the
> >> tuner / demod.
> >>
> >> Better to just put them in as constants like all of the other dvb drivers.
> > 
> > I prefer the way it is. We should really avoid having magic numbers
> > inside the code. The alias here helps to know that 0x60 is tuner addres
> > and 0x68 the pll.
> 
> 
> Following a project's coding styles and conventions is "respecting" a
> project
> 
> Manu
> 

Hi,

the other natural place for this should be the LKML to get more _good_
arguments, instead of hanging soon in some "respect" stuff again.

Cheers,
Hermann
 





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