linux-kernel - Re: [PATCH v8 6/6] iio: adc: ad7192: Add AD7194 support

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Date: Sun, 19 May 2024 22:37:58 +0300
From: Alisa-Dariana Roman <alisadariana@...il.com>
To: Jonathan Cameron <jic23@...nel.org>, Andy Shevchenko <andy@...nel.org>
Cc: michael.hennerich@...log.com, linux-iio@...r.kernel.org,
 devicetree@...r.kernel.org, linux-kernel@...r.kernel.org, lars@...afoo.de,
 robh@...nel.org, krzysztof.kozlowski+dt@...aro.org, conor+dt@...nel.org,
 lgirdwood@...il.com, broonie@...nel.org, nuno.sa@...log.com,
 marcelo.schmitt@...log.com, bigunclemax@...il.com, dlechner@...libre.com,
 okan.sahin@...log.com, fr0st61te@...il.com, alisa.roman@...log.com,
 marcus.folkesson@...il.com, schnelle@...ux.ibm.com, liambeguin@...il.com
Subject: Re: [PATCH v8 6/6] iio: adc: ad7192: Add AD7194 support

On 19.05.2024 21:03, Jonathan Cameron wrote:
> On Tue, 14 May 2024 16:09:32 +0300
> Andy Shevchenko <andy@...nel.org> wrote:
> 
>> On Tue, May 14, 2024 at 03:02:22PM +0300, Alisa-Dariana Roman wrote:
>>> Unlike the other AD719Xs, AD7194 has configurable channels. The user can
>>> dynamically configure them in the devicetree.
>>>
>>> Add sigma_delta_info member to chip_info structure. Since AD7194 is the
>>> only chip that has no channel sequencer, num_slots should remain
>>> undefined.
>>>
>>> Also modify config AD7192 description for better scaling.
>>
>> Some non-critical, mostly style related comments below.
>>
> Tweaked a bit. And applied.  Please check the result in the testing branch
> of iio.git.

Thank you guys for the feedback and for making the adjustments!

+/* 10th bit corresponds to CON18(Pseudo) */
+#define AD7194_CH(p)		(BIT(10) | AD7194_CH_POS(p))
+
I noticed this comment got away in the testing branch.


+static bool ad7194_validate_ain_channel(struct device *dev, u32 ain)
+{
+	return in_range(ain, AD7194_CH_AIN_START, AD7194_CH_AIN_NR);
+}
And the negation got lost here.

With these little changes, tested on board to make sure, running perfectly!

Kind regards,
Alisa-Dariana Roman.