linux-kernel - Re: [RESEND PATCH] iio: light: add support for TI's opt3001 light sensor

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Date:	Mon, 29 Sep 2014 18:41:59 -0500
From:	Michael Welling <mwelling@...e.org>
To:	Felipe Balbi <balbi@...com>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	Jonathan Cameron <jic23@...nel.org>, linux-iio@...r.kernel.org,
	pmeerw@...erw.net,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [RESEND PATCH] iio: light: add support for TI's opt3001 light
 sensor

On Mon, Sep 29, 2014 at 05:46:38PM -0500, Felipe Balbi wrote:
> Hi,
> 
> On Mon, Sep 29, 2014 at 05:38:33PM -0500, Michael Welling wrote:
> > > > > Alright, this is already ridiculous. Andrew, if I resend the patch can
> > > > > you apply it since maintainer has been ignoring this thread anyway ?
> > > > > 
> > > > 
> > > > Do you reall think this is the best way to approach this?
> > > 
> > > when maintainer doesn't respond for weeks, yeah! Sure it is.
> > > 
> > > > Perhaps it would be better to explain what each field of the
> > > > configuration register does and then we can move on.
> > > 
> > > perhaps Jonathan could tell me exactly what he wants because I can't
> > > handle back-and-forth anymore. Specially when he complains about stuff
> > > he asked me to modify himself.
> > >
> > > > In particular the OPT3001_CONFIGURATION_L field needs to be explained
> > > > such that the ABI can be properly applied.
> > > > 
> > > > Looking at the docs for the Windows demo program the field is associated
> > > > with a latch configuration. What does this bit field actually do?
> > 
> > Still no technical information. Without all the facts how can you expect
> > him to tell you what he wants?
> 
> yeah, because clearly he doesn't know himself, right ?

Could you explain how it works to me then?

> 
> > > > Either have TI release the documentation or add comments to each of the
> > > > fields of each of the registers such that we can understand what exactly
> > > > they are doing.
> > > 
> > > TI will release the documentation when that's all cleared up with Legal.
> > > You can't expect it to be any earlier than that.
> > 
> > I am a little fuzzy on how the source code can be released when an NDA
> > is required to access the datasheet.
> >
> > Isn't the source code going to be breaking the NDA by releasing information
> > that is in the datasheet?
>
> that's really not my role inside TI, though. I have no degree by any law
> school from any country. When I get asked to write a driver, all I do is
> request permission to release it, if that says "okay, release it", I
> don't go after the Lawyer who decided it was okay to release the driver.
> 
> On top of that, what does that has anything to do with anything ? I'm
> pretty sure many have released code based off of either simulation or
> pre-release HW. Lack of public documentation does not prevent source
> code from being released at all.
>
> Try to get documentation for most of SoCs supported under the ARM tree
> and you'll see at least 80% of them will require NDA and/or a big
> purchase order of many SoCs before you can get documentation.
>

I don't know I am just trying to the more facts so my mailbox will stop
pinging. :)

> -- 
> balbi


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