Re: [PATCH v3 3/6] iio: chemical: add driver for ENS160 sensor

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On Tue,  4 Jun 2024 19:57:27 -0300
Gustavo Silva <gustavograzs@xxxxxxxxx> wrote:

> ScioSense ENS160 is a digital metal oxide multi-gas sensor, designed
> for indoor air quality monitoring. The driver supports readings of
> CO2 and VOC, and can be accessed via both SPI and I2C.
> 
> Datasheet: https://www.sciosense.com/wp-content/uploads/2023/12/ENS160-Datasheet.pdf
> 
No blank lines in tags block.  Datahsheet is a semi official tag.
I'll tidy up in this and previous patch if everything else fine.

> Signed-off-by: Gustavo Silva <gustavograzs@xxxxxxxxx>
> ---
>  drivers/iio/chemical/Kconfig       |  22 +++
>  drivers/iio/chemical/Makefile      |   3 +
>  drivers/iio/chemical/ens160.h      |   7 +
>  drivers/iio/chemical/ens160_core.c | 221 +++++++++++++++++++++++++++++
>  drivers/iio/chemical/ens160_i2c.c  |  60 ++++++++
>  drivers/iio/chemical/ens160_spi.c  |  60 ++++++++
>  6 files changed, 373 insertions(+)
>  create mode 100644 drivers/iio/chemical/ens160.h
>  create mode 100644 drivers/iio/chemical/ens160_core.c
>  create mode 100644 drivers/iio/chemical/ens160_i2c.c
>  create mode 100644 drivers/iio/chemical/ens160_spi.c
> 
> diff --git a/drivers/iio/chemical/Kconfig b/drivers/iio/chemical/Kconfig
> index 02649ab81..e407afab8 100644
> --- a/drivers/iio/chemical/Kconfig
> +++ b/drivers/iio/chemical/Kconfig
> @@ -76,6 +76,28 @@ config CCS811
>  	  Say Y here to build I2C interface support for the AMS
>  	  CCS811 VOC (Volatile Organic Compounds) sensor
>  
> +config ENS160
> +	tristate "ScioSense ENS160 sensor driver"
> +	depends on (I2C || SPI)
> +	select REGMAP
> +	select ENS160_I2C if I2C
> +	select ENS160_SPI if SPI
> +	help
> +	  Say yes here to build support for ScioSense ENS160 multi-gas sensor.
> +
> +	  This driver can also be built as a module. If so, the module for I2C
> +	  would be called ens160_i2c and ens160_spi for SPI support.
> +
> +config ENS160_I2C
> +	tristate
> +	depends on I2C && ENS160
> +	select REGMAP_I2C
> +
> +config ENS160_SPI
> +	tristate
> +	depends on SPI && ENS160
> +	select REGMAP_SPI

As these two config symbols aren't exposed I think you don't need the
depends lines.

See the BMA400 entry in drivers/iio/accel/Kconfig for example.

If everything else looks good I'll drop those two lines whilst
applying.

Jonathan




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