linux-kernel - Re: [PATCH v2 2/2] iio: accel: Add driver for Murata SCA3300 accelerometer

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Message-ID: <20210418122635.64938200@jic23-huawei>
Date:   Sun, 18 Apr 2021 12:26:35 +0100
From:   Jonathan Cameron <jic23@...nel.org>
To:     Andy Shevchenko <andy.shevchenko@...il.com>
Cc:     Tomas Melin <tomas.melin@...sala.com>,
        devicetree <devicetree@...r.kernel.org>,
        linux-iio <linux-iio@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v2 2/2] iio: accel: Add driver for Murata SCA3300
 accelerometer

On Sat, 17 Apr 2021 15:39:12 +0300
Andy Shevchenko <andy.shevchenko@...il.com> wrote:

> On Fri, Apr 16, 2021 at 5:21 PM Tomas Melin <tomas.melin@...sala.com> wrote:
> >
> > Add initial support for Murata SCA3300 3-axis industrial
> > accelerometer with digital SPI interface. This device also
> > provides a temperature measurement.
> >
> > Device product page including datasheet can be found at:
> > https://www.murata.com/en-global/products/sensor/accel/sca3300  
> 
> Can you create a tag out of it, i.e.
> 
> Datasheet: <URL>
> 
> ?
> 
> > Signed-off-by: Tomas Melin <tomas.melin@...sala.com>  
> 
> ...
> 
> >  obj-$(CONFIG_SCA3000)          += sca3000.o
> > +obj-$(CONFIG_SCA3300)          += sca3300.o  
> 
> How much difference between them?

Enormous :)  The sca3000 series were much more exciting parts with fifos
and other fun a long time before anyone else had them.  That part drove
a lot of the weirder corners of IIO in the early days and had features
that didn't show up anywhere else for quite a few years.

The sca3100 onwards were much simpler (from software point of view) - I guess
Murata have a different focus than VTI did.

Jonathan