From: "Kurt Borja" <kuurtb@gmail.com>
To: "Jonathan Cameron" <jic23@kernel.org>, "Kurt Borja" <kuurtb@gmail.com>
Cc: "Rob Herring" <robh@kernel.org>,
"Krzysztof Kozlowski" <krzk+dt@kernel.org>,
"Conor Dooley" <conor+dt@kernel.org>,
"David Lechner" <dlechner@baylibre.com>,
"Nuno Sá" <nuno.sa@analog.com>,
"Andy Shevchenko" <andy@kernel.org>,
linux-iio@vger.kernel.org, devicetree@vger.kernel.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH v2 5/7] iio: adc: ti-ads1262: Add conversion delay support
Date: Tue, 30 Jun 2026 12:23:07 -0500 [thread overview]
Message-ID: <DJMK3NCDCHL8.1EHG93D5O7ROZ@gmail.com> (raw)
In-Reply-To: <20260630015027.3afdfc3a@jic23-huawei>
On Mon Jun 29, 2026 at 7:50 PM -05, Jonathan Cameron wrote:
> On Sun, 28 Jun 2026 00:36:06 -0500
> Kurt Borja <kuurtb@gmail.com> wrote:
>
>> Expose the programmable conversion start delay as a per-channel
>> IIO_CHAN_INFO_CONVDELAY attribute.
> Coversion delay was always a somewhere weird bit of ABI.
> What are the delays relative to in this case?
> Is this a device that does simultaneous sampling? Pictures
> suggest otherwise, and convdelay is currently only defined
> in that case. We might be able to extend it but it needs
> some thought.
The chip has a configurable internal conversion delay to allow for
external settling effects. See datasheet section 9.4.3 if you'd like a
bit more details.
But you're right, I should at least also edit the ABI description of
this attribute. We can postpone this discussion for a future series.
>
> Jonathan
--
Thanks,
~ Kurt
next prev parent reply other threads:[~2026-06-30 17:23 UTC|newest]
Thread overview: 35+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-06-28 5:36 [PATCH v2 0/7] iio: adc: Add TI ADS126X ADC family support Kurt Borja
2026-06-28 5:36 ` [PATCH v2 1/7] dt-bindings: iio: adc: Add TI ADS126x ADC family Kurt Borja
2026-06-28 15:45 ` David Lechner
2026-06-28 19:12 ` Kurt Borja
2026-06-29 14:21 ` David Lechner
2026-06-29 16:27 ` Kurt Borja
2026-06-29 16:43 ` David Lechner
2026-06-30 17:14 ` Kurt Borja
2026-06-30 18:38 ` David Lechner
2026-07-01 0:28 ` Jonathan Cameron
2026-06-28 5:36 ` [PATCH v2 2/7] iio: adc: Add ti-ads1262 driver Kurt Borja
2026-06-28 17:15 ` David Lechner
2026-06-28 20:00 ` Kurt Borja
2026-06-29 14:38 ` David Lechner
2026-06-30 0:32 ` Jonathan Cameron
2026-06-30 17:17 ` Kurt Borja
2026-06-30 0:28 ` Jonathan Cameron
2026-06-30 0:43 ` Jonathan Cameron
2026-06-28 5:36 ` [PATCH v2 3/7] iio: adc: ti-ads1262: Add channel filter support Kurt Borja
2026-06-28 5:36 ` [PATCH v2 4/7] iio: adc: ti-ads1262: Add excitation current support Kurt Borja
2026-06-30 0:47 ` Jonathan Cameron
2026-06-30 17:18 ` Kurt Borja
2026-06-28 5:36 ` [PATCH v2 5/7] iio: adc: ti-ads1262: Add conversion delay support Kurt Borja
2026-06-30 0:50 ` Jonathan Cameron
2026-06-30 17:23 ` Kurt Borja [this message]
2026-06-30 18:44 ` David Lechner
2026-07-01 0:20 ` Jonathan Cameron
2026-06-28 5:36 ` [PATCH v2 6/7] iio: adc: ti-ads1262: Add buffer and trigger support Kurt Borja
2026-06-30 0:54 ` Jonathan Cameron
2026-06-28 5:36 ` [PATCH v2 7/7] iio: adc: Add ti-ads1263-adc2 driver Kurt Borja
2026-06-28 17:22 ` David Lechner
2026-06-28 20:08 ` Kurt Borja
2026-06-29 16:38 ` David Lechner
2026-06-30 1:00 ` Jonathan Cameron
2026-06-30 17:57 ` Kurt Borja
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