linux-kernel - Re: [RFC] i2c-tools: i2ctransfer: add new tool

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Message-ID: <20150509065030.GA1511@katana>
Date:	Sat, 9 May 2015 08:50:30 +0200
From:	Wolfram Sang <wsa@...-dreams.de>
To:	Jean Delvare <jdelvare@...e.de>
Cc:	linux-i2c@...r.kernel.org, linux-sh@...r.kernel.org,
	Magnus Damm <magnus.damm@...il.com>,
	Simon Horman <horms@...ge.net.au>,
	Laurent Pinchart <laurent.pinchart@...asonboard.com>,
	Geert Uytterhoeven <geert@...ux-m68k.org>,
	linux-kernel@...r.kernel.org
Subject: Re: [RFC] i2c-tools: i2ctransfer: add new tool

Hi Jean,

> If you think it's not enough, then the address modifier could go
> separately before or after the address byte, i.e. either r1@...23t or
> r1@...123. I suspect that the latter should be easier to implement.

In deed, I would aim for maximum flexibility (i.e. possible to mix 7 and
10 bit addresses), and implement the latter proposal of yours.

> > Handling R/W as "just another" flag made this option extremly simple.
> > But we probably can work something out.
> 
> I think the proposal above makes more sense than grouping it with the
> direction letter (r or w)

I agree.


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