Re: [PATCH v2 0/3] iio: light: add support for AMS AS7331

From: Jonathan Cameron
Date: Sun Jan 07 2024 - 10:58:56 EST


On Wed, 03 Jan 2024 13:08:50 +0100
Javier Carrasco <javier.carrasco.cruz@xxxxxxxxx> wrote:

> The AMS AS7331 UV light sensor measures three ultraviolet bands (UVA,
> UVB and UVC, also known as deep UV or DUV) as well as temperature.
>
> This device is practically identical to the AMS AS73211 XYZ True Color
> sensor that is already supported by the iio subsystem, except for the
> photodiodes used to aquire the desired light wavelengths.
>
> In order to reuse code and reduce maintenance load, this series extends
> the AS73211 driver to support the AS7331 as well.
>
> Note that the UVA and UVB light modifiers have not been merged into the
> mainline kernel yet, but they are already available in Greg's char-misc
> git tree which can be found at
> git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc.git
> in the char-misc-next branch.
>
> The original device AS73211 supported by the driver could only be tested
> briefly due to the lack of hardware. Instead, the i2c-stub module has
> been used to make sure that the driver registers the iio device properly
> and the attributes exported to sysfs are correct. Some basic register
> assignments reported the expected intensity scales and in principle
> nothing else should have been affected by the modifications in the code.
>
> Signed-off-by: Javier Carrasco <javier.carrasco.cruz@xxxxxxxxx>
Hi Javier,

Series applied - but given timing I'll only push this out as testing for
now as I'll want to rebase the IIO tree on rc1 once available in a couple of
weeks time.

Thanks,

Jonathan

> ---
> Changes in v2:
> - as73211.c: Use IIO_VAL_FRACTIONAL to retrieve scales of AS73211.
> - as73211.c: simplify device-specific data retrieval in probe function.
> - as73211.c: minor coding-style fix (shorter line).
> - Link to v1: https://lore.kernel.org/r/20231220-as7331-v1-0-745b73c27703@xxxxxxxxx
>
> ---
> Javier Carrasco (3):
> iio: light: as73211: use IIO_VAL_FRACTIONAL for intensity scales
> dt-bindings: iio: light: as73211: add support for as7331
> iio: light: as73211: add support for as7331
>
> .../devicetree/bindings/iio/light/ams,as73211.yaml | 7 +-
> drivers/iio/light/Kconfig | 5 +-
> drivers/iio/light/as73211.c | 142 +++++++++++++++++----
> 3 files changed, 123 insertions(+), 31 deletions(-)
> ---
> base-commit: e9215fcca2561b208c78359110ee4009b454f761
> change-id: 20231220-as7331-88a25ceeb66d
>
> Best regards,