Re: [PATCH v1 00/15] iio: adc: ad7768-1: Add features, improvements, and fixes

[David Lechner]

On 1/7/25 9:23 AM, Jonathan Santos wrote:
> This patch series introduces some new features, improvements,
> and fixes for the AD7768-1 ADC driver. 
> 
> The goal is to support all key functionalities listed in the device
> datasheet, including filter mode selection, common mode voltage 
> configuration and GPIO support. Additionally, this includes fixes 
> for SPI communication and for IIO interface, and also code improvements
> to enhance maintainability and readability.

It looks like some of the patches also have to do with a sync trigger for one
or more chips. There was a recent discussion about this for another ADC that
seems relevant:

[1]: https://lore.kernel.org/linux-iio/20241128125811.11913-1-alisa.roman@xxxxxxxxxx/

> 
> Jonathan Santos (8):
>   dt-bindings: iio: adc: ad7768-1: add synchronization over SPI property
>   Documentation: ABI: add wideband filter type to  sysfs-bus-iio
>   Documentation: ABI: testing: ad7768-1: Add device specific ABI
>     documentation.
>   iio: adc: ad7768-1: set MOSI idle state to high
>   iio: adc: ad7768-1: use guard(mutex) to simplify code
>   iio: adc: ad7768-1: add multiple scan types to support 16-bits mode
>   iio: adc: ad7768-1: add support for Synchronization over SPI
>   iio: adc: ad7768-1: add filter type and decimation rate attributes
> 
> Sergiu Cuciurean (7):
>   iio: adc: ad7768-1: Fix conversion result sign
>   iio: adc: ad7768-1: Update reg_read function
>   iio: adc: ad7768-1: Add reset gpio
>   iio: adc: ad7768-1: Move buffer allocation to a separate function
>   iio: adc: ad7768-1: Add support for variable VCM
>   iio: adc: ad7768-1: Add reg_write_masked function
>   iio: adc: ad7768-1: Add GPIO controller support
> 
>  Documentation/ABI/testing/sysfs-bus-iio       |   2 +
>  .../ABI/testing/sysfs-bus-iio-adc-ad7768-1    |  13 +
>  .../bindings/iio/adc/adi,ad7768-1.yaml        |  24 +-
>  drivers/iio/adc/ad7768-1.c                    | 830 +++++++++++++++---
>  4 files changed, 747 insertions(+), 122 deletions(-)
>  create mode 100644 Documentation/ABI/testing/sysfs-bus-iio-adc-ad7768-1
> 
> 
> base-commit: 5de07b8a24cf44cdb78adeab790704bf577c2c1d

What are all of these prerequisites?

> prerequisite-patch-id: 8b531bca46f7c7ea1c0f6d232d162fd05fda52f7
> prerequisite-patch-id: c8c8637cb3343097c3224a9aa315fc45dca15f45
> prerequisite-patch-id: e0baac9ef84e6e8a0a272fc6191fc1cb48143e44
> prerequisite-patch-id: 7e5cad70809fa7d37e917628147c197427c11594
> prerequisite-patch-id: 28dcdb0ebc3ca3c02713f83c94a4eedbe81095dc
> ...