Re: [PATCH 3/4] iio: adc: ad7124: reduce the number of SPI transfers

[Jonathan Cameron <jic23@kernel.org>]

On Wed, 31 Jul 2024 15:37:24 +0300
Dumitru Ceclan <mitrutzceclan@gmail.com> wrote:

> The ad7124_init_config_vref() function writes the AD7124_ADC_CONTROL
> register for each channel that is configured to use the internal
> reference.
> 
> The ad7124_write_config()function performs 7 SPI transfers for
> configuring 2 registers: config_x and filter_x.
> 
> Reduce the number of SPI transfers:
> -during the probe by only setting the st->adc_control value in
>  ad7124_init_config_vref() and writing to the device only at the end of
>  ad7124_setup().
> -in ad7124_write_config() by grouping writes to the same register.
> 
> Signed-off-by: Dumitru Ceclan <dumitru.ceclan@analog.com>
There doesn't seem to be any overlap between code touched by 1 and 2 (the fixes)
and 3 and 4 (non fixes), so I've picked 3 and 4 up now via the togreg branch of
iio.git which will be pushed out as testing for 0-day to look at.

Thanks,

Jonathan