Re: [PATCH] iio: humidity: am2315: add am2320 to i2c_device_id table

From: Nuno Sá

Date: Thu Aug 06 2026 - 05:56:37 EST


On Wed, Aug 05, 2026 at 03:37:26PM -0300, Nicolás Antinori wrote:
> The AM2320 is fully compatible with the AM2315 sensor in terms of I2C
> communication protocol and measurement conversions.
>
> Add the "am2320" entry to the i2c_device_id table.
>
> Signed-off-by: Nicolás Antinori <nico.antinori.7@xxxxxxxxx>
> ---

One minor comment from me (maybe Jonathan can tweak it while applying).
With that:

Reviewed-by: Nuno Sá <nuno.sa@xxxxxxxxxx>

> Tested with Raspberry Pi 3b+
>
> Used as reference AM2315 Datasheet [1] and AM2320 datasheet [2]
>
> [1] https://cdn-shop.adafruit.com/datasheets/AM2315.pdf
> [2] https://cdn-shop.adafruit.com/product-files/3721/AM2320.pdf
>
> drivers/iio/humidity/Kconfig | 4 ++--
> drivers/iio/humidity/am2315.c | 3 ++-
> 2 files changed, 4 insertions(+), 3 deletions(-)
>
> diff --git a/drivers/iio/humidity/Kconfig b/drivers/iio/humidity/Kconfig
> index 54f11f000b6f..6907805945f3 100644
> --- a/drivers/iio/humidity/Kconfig
> +++ b/drivers/iio/humidity/Kconfig
> @@ -5,13 +5,13 @@
> menu "Humidity sensors"
>
> config AM2315
> - tristate "Aosong AM2315 relative humidity and temperature sensor"
> + tristate "Aosong AM2315/AM2320 relative humidity and temperature sensor"
> depends on I2C
> select IIO_BUFFER
> select IIO_TRIGGERED_BUFFER
> help
> If you say yes here you get support for the Aosong AM2315
> - relative humidity and ambient temperature sensor.
> + and AM2320 relative humidity and ambient temperature sensors.

The above (same on the tristate title) does not really scale nicely and
we've seen too often already. So I use something like "... and similar
devices"

- Nuno Sá

>
> This driver can also be built as a module. If so, the module will
> be called am2315.
> diff --git a/drivers/iio/humidity/am2315.c b/drivers/iio/humidity/am2315.c
> index f29baa251f9f..5bce5eec45cc 100644
> --- a/drivers/iio/humidity/am2315.c
> +++ b/drivers/iio/humidity/am2315.c
> @@ -1,6 +1,6 @@
> // SPDX-License-Identifier: GPL-2.0-only
> /*
> - * Aosong AM2315 relative humidity and temperature
> + * Aosong AM2315/AM2320 relative humidity and temperature
> *
> * Copyright (c) 2016, Intel Corporation.
> *
> @@ -251,6 +251,7 @@ static int am2315_probe(struct i2c_client *client)
>
> static const struct i2c_device_id am2315_i2c_id[] = {
> { .name = "am2315" },
> + { .name = "am2320" },
> { }
> };
> MODULE_DEVICE_TABLE(i2c, am2315_i2c_id);
> --
> 2.47.3
>