RE: [lm-sensors] [PATCH] hwmon: Generic ADC support for hwmon

From: R, Durgadoss
Date: Tue May 15 2012 - 08:43:05 EST

Hi Guenter,

Thanks for a quick reply.

> On Tue, May 15, 2012 at 10:26:48AM -0400, Jenny TC wrote:
> > Currently drivers are using custom APIs to communicate with ADC driver.
> > So it make sense to have generic APIs to commnicate with ADC drivers.
> > This patch introduces generic APIs to communicate with ADC drivers.
> >
> > Signed-off-by: Jenny TC <>
> Hi Jenny,
> Do you have a practical use case ?

We have some platform specific component drivers, thermal drivers,
battery drivers using this General purpose ADC in the platform.
That's why we thought of doing something like this.

> Also, shouldn't those generic ADCs rather be supported through the IO
> subsystem ?
> After all, hwmon is all about hardware monitoring, not to provide generic ADC
> access.

In this case, can we try this in iio or mfd subsystem ?
Kindly advise.

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