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Sat, 03 Oct 2026 06:40:37 -0700 (PDT) Received: from localhost ([213.194.212.155]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-48b38104f89sm13693015f8f.30.2026.10.03.06.40.37 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 03 Oct 2026 06:40:37 -0700 (PDT) Date: Sat, 3 Oct 2026 15:40:36 +0200 From: Joshua Crofts To: Yuval Saar Cc: linux-iio@vger.kernel.org, jic23@kernel.org, dlechner@baylibre.com, nuno.sa@analog.com, andy@kernel.org, maxwell@maxwelld.cc Subject: Re: [PATCH v3 0/2] iio: adc: mcp3422: chip info and read_avail() Message-ID: <20261003154036.0000115b@gmail.com> In-Reply-To: <20261003001647.1975549-1-thefireking@gmail.com> References: <20260919195507.94130-1-thefireking@gmail.com> <20261003001647.1975549-1-thefireking@gmail.com> X-Mailer: Claws Mail 4.4.0 (GTK 3.24.51; x86_64-w64-mingw32) Precedence: bulk X-Mailing-List: linux-iio@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit On Sat, 3 Oct 2026 03:16:45 +0300 Yuval Saar 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