Re: [PATCH v4 0/3] iio: magnetometer: add support for the Allegro MicroSystems ALS31300 3-D Linear Hall Effect Sensor
From: Jonathan Cameron
Date: Fri Nov 01 2024 - 13:00:45 EST
On Wed, 30 Oct 2024 16:30:21 +0100
Neil Armstrong <neil.armstrong@xxxxxxxxxx> wrote:
> The Allegro MicroSystems ALS31300 is a 3-D Linear Hall Effect Sensor
> mainly used in 3D sensing applications for head-on motion.
>
> The device is configured over I2C, and as part of the Sensor
> data the temperature core is also provided.
>
> While the device provides an IRQ gpio, it depends on a configuration
> programmed into the internal EEPROM, thus only the default mode
> is supported and buffered input via trigger is also supported
> to allow streaming values with the same sensing timestamp.
>
> The device can be configured with different sensitivities in factory,
> but the sensitivity value used to calculate value into the Gauss
> unit is not available from registers, thus the sensitivity is
> provided by the compatible/device-id string which is based
> on the part number as described in the datasheet page 2.
>
> The datasheet is available on the product website at [1].
>
> [1] https://www.allegromicro.com/en/products/sense/linear-and-angular-position/linear-position-sensor-ics/als31300
>
> Signed-off-by: Neil Armstrong <neil.armstrong@xxxxxxxxxx>
Hi Neil,
Applied to the togreg branch of iio.git but initially pushed out as testing
to let 0-day have a little poke at it.
Thanks,
Jonathan