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SubjectRE: [PATCH v2 0/2] Add a property in at24.c
Date
> -----Original Message-----
> From: Andy Shevchenko [mailto:andriy.shevchenko@linux.intel.com]
> Sent: Tuesday, June 26, 2018 11:48 PM
> To: Bartosz Golaszewski <brgl@bgdev.pl>
> Cc: Chiang, AlanX <alanx.chiang@intel.com>; linux-i2c <linux-
> i2c@vger.kernel.org>; Yeh, Andy <andy.yeh@intel.com>; Sakari Ailus
> <sakari.ailus@linux.intel.com>; Mani, Rajmohan <rajmohan.mani@intel.com>;
> Andy Shevchenko <andy.shevchenko@gmail.com>; Rob Herring
> <robh+dt@kernel.org>; Mark Rutland <mark.rutland@arm.com>; Arnd
> Bergmann <arnd@arndb.de>; Greg Kroah-Hartman
> <gregkh@linuxfoundation.org>; Linux Kernel Mailing List <linux-
> kernel@vger.kernel.org>
> Subject: Re: [PATCH v2 0/2] Add a property in at24.c
>
> On Tue, 2018-06-26 at 15:30 +0200, Bartosz Golaszewski wrote:
> > 2018-06-26 15:23 GMT+02:00 Andy Shevchenko
> <andriy.shevchenko@linux.in
> > tel.com>:
> > > On Tue, 2018-06-26 at 14:36 +0200, Bartosz Golaszewski wrote:
> > > > 2018-06-26 14:14 GMT+02:00 Andy Shevchenko
> > > > <andriy.shevchenko@linux.intel.com>:
> > > > > On Tue, 2018-06-26 at 09:41 +0200, Bartosz Golaszewski wrote:
> > > > > > What is your use case exactly? Do you have an EEPROM model
> > > > > > that's not yet supported explicitly in the driver? Why would
> > > > > > you need this option?
> > > > >
> > > > > The current at24 driver has no address width support, thus,
> > > > > reusing same
> > > > > (allocated) IDs (non-DT case) is hard.
> > >
> > > ^^^^^
> > >
> > > > Every supported compatible has the width already specified in its
> > > > corresponding chip data.
> > >
> > >
> > > Please, read again carefully what I wrote before.
> > >
> >
> > Ok makes sense in that case. Could you just point me towards an
> > example model which has the address width different than the default
> > for its type?
>
> AFAIK, it's a companion device inside the camera voice coil IC, i.e.
> DONGWOON DW9714.
>

Nope, actually it is DW9807 instead, which is used on a Samsung Chromebook.

> --
> Andy Shevchenko <andriy.shevchenko@linux.intel.com>
> Intel Finland Oy
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