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From: Siratul Islam <siratul.islam@linux.dev>
To: Lukas <lukas.metz@gmx.net>, Jonathan Cameron <jic23@kernel.org>
Cc: "David Lechner" <dlechner@baylibre.com>,
	"Nuno Sá" <nuno.sa@analog.com>,
	"Andy Shevchenko" <andy@kernel.org>,
	"Rob Herring" <robh@kernel.org>,
	"Krzysztof Kozlowski" <krzk+dt@kernel.org>,
	"Conor Dooley" <conor+dt@kernel.org>,
	linux-kernel@vger.kernel.org, linux-iio@vger.kernel.org,
	devicetree@vger.kernel.org
Subject: Re: [PATCH v2 2/2] iio: dac: dac8163: Add driver for DAC8163
Date: Mon, 27 Jul 2026 00:52:23 +0600	[thread overview]
Message-ID: <1E57F5BA-1864-4644-932D-3612AE7B1AB5@linux.dev> (raw)
In-Reply-To: <amZV_2_dsNZmp7Bb@berta-MS-7693>

On July 27, 2026 12:46:23 AM GMT+06:00, Lukas <lukas.metz@gmx.net> wrote:
>On Sun, Jul 26, 2026 at 07:18:33PM +0100, Jonathan Cameron wrote:
>> 
>> As this has come up, I'd favour just having two static const regmap_config structures
>> and picking between them.  Obviously I haven't checked but I'd guess that any
>> overhead of extra text data for those is not that different to the extra code of the current
>> approach.  Generally if you can make this sort of thing data rather than code it
>> is a net gain.
>> 
>> Jonathan
>
>I actually misspoke before. Since all dacxxx3 devices have different
>default values (mid-scale varies for different resolutions), 4
>different reg_defaults are needed to cover all the devices. I could
>define 4 static const regmap_configs and pick between them or go with
>Siratul Islams approach.
>
>Best regards
>
>Lukas

If you need 4 of them then it's a bit too much I think. I don't know if it would be acceptable duplication at that point.

--
Best regards,
Sirat


  reply	other threads:[~2026-07-26 18:52 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-07-08  9:52 [PATCH v2 0/2] Add driver for DAC8163: Lukas Metz
2026-07-08  9:52 ` [PATCH v2 1/2] dt-bindings: iio: dac: Add DAC8163 Lukas Metz
2026-07-08 16:37   ` Conor Dooley
2026-07-14 15:01     ` Lukas
2026-07-14 16:49       ` Conor Dooley
2026-07-14 19:25         ` David Lechner
2026-07-08  9:52 ` [PATCH v2 2/2] iio: dac: dac8163: Add driver for DAC8163 Lukas Metz
2026-07-08 11:32   ` Andy Shevchenko
2026-07-09 10:03     ` Lukas
2026-07-09 10:19       ` Andy Shevchenko
2026-07-08 15:58   ` Siratul Islam
2026-07-08 17:33     ` Jonathan Cameron
2026-07-08 19:04       ` Siratul Islam
2026-07-26 14:10     ` Lukas
2026-07-26 17:01       ` Siratul Islam
2026-07-26 18:18         ` Jonathan Cameron
2026-07-26 18:46           ` Lukas
2026-07-26 18:52             ` Siratul Islam [this message]
2026-07-26 18:48           ` Siratul Islam
2026-07-12 22:23   ` Uwe Kleine-König

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