Re: [PATCH v3 0/2] iio: adc: mcp3422: chip info and read_avail()

[Joshua Crofts <joshua.crofts1@gmail.com>]

On Sat,  3 Oct 2026 03:16:45 +0300
Yuval Saar <thefireking@gmail.com> wrote:

> The MCP3422 family driver tells the parts apart with integer ids and
> a switch in probe, and it exposes the sampling-frequency and scale
> lists through custom sysfs show functions.
> 
> Move those differences into a per-chip structure, then publish the
> lists with read_avail() so the IIO core creates the attributes and
> in-kernel consumers can query them.
> 
> sampling_frequency_available stays shared by all.
> in_voltage_scale_available stays shared by type. Shared by direction
> would rename that file to in_scale_available.
> 
> No hardware. Each patch compiles. checkpatch --strict is clean, and
> the available-list text was checked against the IIO core formatters.
> 
> v3:
> - Split the chip-info change into its own precursor patch.
> - Drop the sample-rate defines that only repeated the numeric value.
> - Keep scale's available mask shared by type, so the sysfs name stays
>   in_voltage_scale_available.
> - Store scales as { integer, nano } pairs.
> v2: https://lore.kernel.org/linux-iio/20260921044709.27d59a97@jic23-hlaptop/
> v1: https://lore.kernel.org/linux-iio/20260919195507.94130-1-thefireking@gmail.com/
>

Do not send new versions as a reply to the previous version,
this messes up tooling like b4 and can appear obscured in people's
email clients.

-- 
Kind regards,
Joshua Crofts