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[93.240.39.252]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-bf0559f1ac0sm162062866b.62.2026.06.03.07.08.49 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 03 Jun 2026 07:08:50 -0700 (PDT) From: Wadim Mueller To: Marcelo Schmitt Cc: Wadim Mueller , Jonathan Cameron , Krzysztof Kozlowski , Rob Herring , Conor Dooley , David Lechner , =?UTF-8?q?Nuno=20S=C3=A1?= , Andy Shevchenko , Maxwell Doose , linux-kernel@vger.kernel.org, linux-iio@vger.kernel.org, devicetree@vger.kernel.org Subject: Re: [PATCH v3 3/3] iio: flow: add Sensirion SLF3S liquid flow sensor driver Date: Wed, 3 Jun 2026 16:08:34 +0200 Message-ID: <20260602-slf3s-v3-reply-06-wafgo01@gmail.com> X-Mailer: git-send-email 2.52.0 In-Reply-To: References: <20260530205435.37326-1-wafgo01@gmail.com> <20260530205435.37326-4-wafgo01@gmail.com> Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit On Sun, 31 May 2026 21:45:23 -0300 Marcelo Schmitt wrote: > Can buf be 6 bytes long? 2 bytes of flow data + 1 CRC + 2 bytes of temp > + 1 CRC. Yes. The third word (Byte 7-9 in the datasheet, Table 8) is the signaling flags: 2 byte flags + 1 CRC. The driver does not use the flags, and the datasheet says the read can be aborted with a NACK/STOP after the temp word. So i make buf 6 bytes and read only flow + temp. Wadim