Re: [PATCH v2 6/9] iio: Add channel type for chromaticity

[Jonathan Cameron <jic23@kernel.org>]

On Tue, 19 Sep 2023 13:40:51 +0530
Basavaraj Natikar <Basavaraj.Natikar@amd.com> wrote:

> In most cases, ambient color sensors also support the x and y light
> colors, which represent the coordinates on the CIE 1931 chromaticity
> diagram. Thus, add channel type for chromaticity.
> 
> Signed-off-by: Basavaraj Natikar <Basavaraj.Natikar@amd.com>
One small thing I fixed up whilst applying.

Jonathan

> ---
>  Documentation/ABI/testing/sysfs-bus-iio | 8 ++++++++
>  drivers/iio/industrialio-core.c         | 1 +
>  include/uapi/linux/iio/types.h          | 1 +
>  tools/iio/iio_event_monitor.c           | 1 +
>  4 files changed, 11 insertions(+)
> 
> diff --git a/Documentation/ABI/testing/sysfs-bus-iio b/Documentation/ABI/testing/sysfs-bus-iio
> index 4cf7ed9ca57b..0c9389ad3709 100644
> --- a/Documentation/ABI/testing/sysfs-bus-iio
> +++ b/Documentation/ABI/testing/sysfs-bus-iio
> @@ -2186,3 +2186,11 @@ Contact:	linux-iio@vger.kernel.org
>  Description:
>  		Represents light color temperature, which measures light color
>  		temperature in Kelvin.
> +
> +What:		/sys/bus/iio/devices/iio:deviceX/in_chromaticity_x_raw
> +What:		/sys/bus/iio/devices/iio:deviceX/in_chromaticity_y_raw
> +KernelVersion:	6.7
> +Contact:	linux-iio@vger.kernel.org
> +Description:
> +		The x and y light color coordinate on the CIE 1931 chromaticity
> +		diagram.
> diff --git a/drivers/iio/industrialio-core.c b/drivers/iio/industrialio-core.c
> index cba942cadf97..6dc4d2b296bb 100644
> --- a/drivers/iio/industrialio-core.c
> +++ b/drivers/iio/industrialio-core.c
> @@ -91,6 +91,7 @@ static const char * const iio_chan_type_name_spec[] = {
>  	[IIO_PHASE] = "phase",
>  	[IIO_MASSCONCENTRATION] = "massconcentration",
>  	[IIO_COLORTEMP] = "colortemp",
> +	[IIO_CHROMATICITY] = "chromaticity",
>  };
>  
>  static const char * const iio_modifier_names[] = {
> diff --git a/include/uapi/linux/iio/types.h b/include/uapi/linux/iio/types.h
> index 08c20e540c13..4832c611c027 100644
> --- a/include/uapi/linux/iio/types.h
> +++ b/include/uapi/linux/iio/types.h
> @@ -48,6 +48,7 @@ enum iio_chan_type {
>  	IIO_PHASE,
>  	IIO_MASSCONCENTRATION,
>  	IIO_COLORTEMP,
> +	IIO_CHROMATICITY,
>  };
>  
>  enum iio_modifier {
> diff --git a/tools/iio/iio_event_monitor.c b/tools/iio/iio_event_monitor.c
> index a63741e43ddf..5edacc358c5d 100644
> --- a/tools/iio/iio_event_monitor.c
> +++ b/tools/iio/iio_event_monitor.c
> @@ -175,6 +175,7 @@ static bool event_is_known(struct iio_event_data *event)
>  	case IIO_PHASE:
>  	case IIO_MASSCONCENTRATION:
>  	case IIO_COLORTEMP:
> +	case IIO_CHROMATICITY:
This is missing updating the strings in the same file.
I only notice whilst dealing with a merge conflict where the colortemp one was
there and this wasn't.
>  		break;
>  	default:
>  		return false;