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([188.163.112.51]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-ac2895e7e6asm274697566b.54.2025.03.10.00.57.11 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 10 Mar 2025 00:57:12 -0700 (PDT) From: Svyatoslav Ryhel To: "Rafael J. Wysocki" , Daniel Lezcano , Zhang Rui , Lukasz Luba , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Laxman Dewangan , Svyatoslav Ryhel Cc: linux-pm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v4 0/2] thermal: thermal-generic-adc: add temp sensor function Date: Mon, 10 Mar 2025 09:56:36 +0200 Message-ID: <20250310075638.6979-1-clamor95@gmail.com> X-Mailer: git-send-email 2.43.0 Precedence: bulk X-Mailing-List: linux-pm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit To avoid duplicating sensor functionality and conversion tables, this design allows converting an ADC IIO channel's output directly into a temperature IIO channel. This is particularly useful for devices where hwmon isn't suitable or where temperature data must be accessible through IIO. One such device is, for example, the MAX17040 fuel gauge. The temperature data, while technically a product of conversion and thus categorized as IIO_CHAN_INFO_PROCESSED, maintains its unscaled state (milli-degree). To account for this, IIO_CHAN_INFO_RAW is used along with IIO_CHAN_INFO_SCALE to provide different degrees of accuracy. --- Changes on switching from v3 to v4: - switch to use of RAW and SCALED channels to provide more accurate data Changes on switching from v2 to v3: - rephrased commit headers Changes on switching from v1 to v2: - documented #iio-channel-cells property - switched to IIO_CHAN_INFO_PROCESSED --- Svyatoslav Ryhel (2): dt-bindings: thermal: generic-adc: Add optional io-channel-cells property thermal: thermal-generic-adc: add temperature sensor channel .../bindings/thermal/generic-adc-thermal.yaml | 4 ++ drivers/thermal/thermal-generic-adc.c | 62 ++++++++++++++++++- 2 files changed, 65 insertions(+), 1 deletion(-) -- 2.43.0