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

Mauro Carvalho Chehab mchehab at infradead.org
Thu Apr 19 22:45:07 CEST 2007


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.
> 
> 
> Regards,
> 
> Mike Krufky
> 
-- 
Cheers,
Mauro




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