From: Mark Brown <broonie@kernel.org>
To: Matti Vaittinen <matti.vaittinen@fi.rohmeurope.com>
Cc: "Mark Rutland" <mark.rutland@arm.com>,
"Milo Kim" <milo.kim@ti.com>,
"Andrei Stefanescu" <andrei.stefanescu@microchip.com>,
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Subject: Re: [PATCH v6 03/10] lib: add linear ranges helpers
Date: Tue, 24 Mar 2020 14:16:31 +0000 [thread overview]
Message-ID: <20200324141631.GE7039@sirena.org.uk> (raw)
In-Reply-To: <c659a4627bc33b8a7d10e1af16e85edd0ff8637f.1584977512.git.matti.vaittinen@fi.rohmeurope.com>
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On Tue, Mar 24, 2020 at 10:29:09AM +0200, Matti Vaittinen wrote:
> Many devices have control registers which control some measurable
> property. Often a register contains control field so that change in
> this field causes linear change in the controlled property. It is not
> a rare case that user wants to give 'meaningful' control values and
> driver needs to convert them to register field values. Even more
> often user wants to 'see' the currently set value - again in
> meaningful units - and driver needs to convert the values it reads
> from register to these meaningful units. Examples of this include:
Reviwed-by: Mark Brown <broonie@kernel.org>
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next prev parent reply other threads:[~2020-03-24 14:16 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-03-24 8:27 [PATCH v6 00/10] Support ROHM BD99954 charger IC Matti Vaittinen
2020-03-24 8:29 ` [PATCH v6 03/10] lib: add linear ranges helpers Matti Vaittinen
2020-03-24 14:16 ` Mark Brown [this message]
2020-03-27 19:34 ` Linus Walleij
2020-03-24 8:30 ` [PATCH v6 06/10] regulator: use linear_ranges helper Matti Vaittinen
2020-03-24 14:24 ` Mark Brown
2020-03-25 6:58 ` Vaittinen, Matti
2020-03-25 11:34 ` Mark Brown
2020-03-25 11:46 ` Vaittinen, Matti
2020-03-24 16:41 ` Charles Keepax
2020-03-24 16:48 ` Adam Thomson
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