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[88.193.135.236]) by smtp.gmail.com with ESMTPSA id 2adb3069b0e04-5b8c270ea53sm398549e87.12.2026.09.18.05.25.24 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 18 Sep 2026 05:25:24 -0700 (PDT) From: Rupesh Majhi To: Andy Shevchenko , Bill Wendling , David Lechner , Eddie James , Joel Stanley , Jonathan Cameron , Justin Stitt , Nathan Chancellor , Nick Desaulniers , =?UTF-8?q?Nuno=20S=C3=A1?= Cc: linux-iio@vger.kernel.org, linux-kernel@vger.kernel.org, llvm@lists.linux.dev, Rupesh Majhi Subject: [PATCH v7 06/10] iio: core: add an accessor for scan_timestamp Date: Fri, 18 Sep 2026 15:25:13 +0300 Message-ID: <20260918122517.377565-7-zoone.rupert@gmail.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20260918122517.377565-1-zoone.rupert@gmail.com> References: <20260918122517.377565-1-zoone.rupert@gmail.com> Precedence: bulk X-Mailing-List: llvm@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit indio_dev->scan_timestamp is __private, so a driver has no way to ask whether the timestamp channel is in the current scan. Hide the ACCESS_PRIVATE() behind a read-only helper, the way iio_get_masklength() already does. The dps310 FIFO patch later in this series is the first user: that hardware does not timestamp entries, so it refuses a buffer with the timestamp channel enabled. Suggested-by: Jonathan Cameron Assisted-by: LLM Signed-off-by: Rupesh Majhi --- include/linux/iio/iio.h | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/include/linux/iio/iio.h b/include/linux/iio/iio.h index 989c1db8fb36..a893e36be988 100644 --- a/include/linux/iio/iio.h +++ b/include/linux/iio/iio.h @@ -1083,6 +1083,15 @@ static inline unsigned int iio_get_masklength(const struct iio_dev *indio_dev) return ACCESS_PRIVATE(indio_dev, masklength); } +/** + * iio_scan_timestamp_enabled - Is the timestamp channel in the current scan + * @indio_dev: the IIO device to check + */ +static inline bool iio_scan_timestamp_enabled(const struct iio_dev *indio_dev) +{ + return ACCESS_PRIVATE(indio_dev, scan_timestamp); +} + int iio_active_scan_mask_index(struct iio_dev *indio_dev); /** -- 2.43.0