From mboxrd@z Thu Jan 1 00:00:00 1970 From: hermann pitton Subject: Re: RFC: proposal for new i2c.h macro to initialize i2c address lists on the fly Date: Sun, 07 Jun 2009 01:23:02 +0200 Message-ID: <1244330582.17786.12.camel@pc07.localdom.local> References: <200906061500.49338.hverkuil@xs4all.nl> <9e4733910906061520o7b0b2858wf4530cf672b1adc9@mail.gmail.com> Mime-Version: 1.0 Content-Type: text/plain Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <9e4733910906061520o7b0b2858wf4530cf672b1adc9-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org> Sender: linux-i2c-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Jon Smirl Cc: Hans Verkuil , linux-i2c-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-media-u79uwXL29TY76Z2rM5mHXA@public.gmane.org List-Id: linux-i2c@vger.kernel.org Hi, Am Samstag, den 06.06.2009, 18:20 -0400 schrieb Jon Smirl: > On Sat, Jun 6, 2009 at 9:00 AM, Hans Verkuil wrote: > > Hi all, > > > > For video4linux we sometimes need to probe for a single i2c address. > > Normally you would do it like this: > > Why does video4linux need to probe to find i2c devices? Can't the > address be determined by knowing the PCI ID of the board? NO, are you dreaming ? Even the m$ attempts over additional stuff, that _eventually_ conforms to something in the eeprom are doomed. That is also not about video4linux anymore, since decades now soon, but about v4l-dvb. For real interesting stuff it does not work anymore and never did. You should have a look at real hardware. Cheers, Hermann