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Date: Fri, 16 Feb 2024 16:04:45 +0100
From: Mike Looijmans <mike.looijmans@...ic.nl>
To: Jonathan Cameron <jic23@...nel.org>
CC: devicetree@...r.kernel.org, linux-iio@...r.kernel.org,
 Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
 Lars-Peter Clausen <lars@...afoo.de>, Liam Beguin <liambeguin@...il.com>,
 Liam Girdwood <lgirdwood@...il.com>, Maksim Kiselev <bigunclemax@...il.com>,
 Marcus Folkesson <marcus.folkesson@...il.com>,
 Marius Cristea <marius.cristea@...rochip.com>,
 Mark Brown <broonie@...nel.org>, Niklas Schnelle <schnelle@...ux.ibm.com>,
 Okan Sahin <okan.sahin@...log.com>, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v4 2/2] iio: adc: ti-ads1298: Add driver

On 16-02-2024 14:38, Jonathan Cameron wrote:
> On Wed, 14 Feb 2024 07:37:36 +0100
> Mike Looijmans <mike.looijmans@...ic.nl> wrote:
>
>> Skeleton driver for the TI ADS1298 medical ADC. This device is
>> typically used for ECG and similar measurements. Supports data
>> acquisition at configurable scale and sampling frequency.
>>
>> Signed-off-by: Mike Looijmans <mike.looijmans@...ic.nl>
>>
> Hi Mike,
>
> One final thing noticed on a (hopefully) last read through.
>
> /sys/bus/iio:device0/name is going to read ads1298 whichever
> chip is detected.
>
> Would be more useful to users if it identified the actual
> part given that is easily read from the ID register.

Implemented it like that, the "name" now reflects the chip's information.

While at it, I also made the probe fail on invalid ID (tested by probing 
an empty SPI bus)

And also pass the channel count into the "num_channels" member, and 
adapted the SPI transaction, which should support the devices with 4 or 
6 channels better.

I'll post a v5 soon, bit of testing first...

-- 
Mike Looijmans
System Expert

TOPIC Embedded Products B.V.
Materiaalweg 4, 5681 RJ Best
The Netherlands

T: +31 (0) 499 33 69 69
E: mike.looijmans@...ic.nl
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