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Tue, 29 Sep 2026 11:49:40 -0700 (PDT) From: Abdelnasser Hussein To: jic23@kernel.org, gregkh@linuxfoundation.org, nuno.sa@analog.com, Michael.Hennerich@analog.com Cc: dlechner@baylibre.com, andy@kernel.org, linux@analog.com, linux-iio@vger.kernel.org, linux-staging@lists.linux.dev, linux-kernel@vger.kernel.org, joshua.crofts1@gmail.com, error27@gmail.com, narcisaanamaria12@gmail.com, Abdelnasser Hussein Subject: [PATCH 1/3] staging: iio: accel: adis16203: fix inclination naming and remove unsupported Y-axis Date: Tue, 29 Sep 2026 21:48:58 +0300 Message-ID: <20260929184900.39515-2-abdelnasserhussein11@gmail.com> X-Mailer: git-send-email 2.54.0 In-Reply-To: <20260929184900.39515-1-abdelnasserhussein11@gmail.com> References: <20260929184900.39515-1-abdelnasserhussein11@gmail.com> Precedence: bulk X-Mailing-List: linux-staging@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit The ADIS16203 measures inclination around a single axis. As per the datasheet, register 0x0C gives a 360-degree output, and 0x0E gives a +/- 180-degree output of the exact same measurement. The current driver incorrectly maps 0x0E as a separate Y-axis. This patch removes the phantom Y-axis, updates the naming, and adjusts the timestamp channel index. Note: The ADIS_INCLI_CHAN(X, ...) modifier is intentionally kept to preserve the existing userspace ABI (incli_x_raw). Furthermore, removing the phantom Y-axis inherently shifts the scan indexes of subsequent channels down by one, which is expected to correct the hardware representation. Fixes: 2df79e1bddc4 ("staging: iio: accel: Rename source files and update Makefile") Signed-off-by: Abdelnasser Hussein --- drivers/staging/iio/accel/adis16203.c | 13 +++---------- 1 file changed, 3 insertions(+), 10 deletions(-) diff --git a/drivers/staging/iio/accel/adis16203.c b/drivers/staging/iio/accel/adis16203.c index 830ff38fda92..eddb786d4747 100644 --- a/drivers/staging/iio/accel/adis16203.c +++ b/drivers/staging/iio/accel/adis16203.c @@ -29,10 +29,7 @@ #define ADIS16203_TEMP_OUT 0x0A /* Output, x-axis inclination */ -#define ADIS16203_XINCL_OUT 0x0C - -/* Output, y-axis inclination */ -#define ADIS16203_YINCL_OUT 0x0E +#define ADIS16203_INCL_OUT 0x0C /* Incline null calibration */ #define ADIS16203_INCL_NULL 0x18 @@ -129,7 +126,6 @@ enum adis16203_scan { ADIS16203_SCAN_INCLI_X, - ADIS16203_SCAN_INCLI_Y, ADIS16203_SCAN_SUPPLY, ADIS16203_SCAN_AUX_ADC, ADIS16203_SCAN_TEMP, @@ -208,13 +204,10 @@ static int adis16203_read_raw(struct iio_dev *indio_dev, static const struct iio_chan_spec adis16203_channels[] = { ADIS_SUPPLY_CHAN(ADIS16203_SUPPLY_OUT, ADIS16203_SCAN_SUPPLY, 0, 12), ADIS_AUX_ADC_CHAN(ADIS16203_AUX_ADC, ADIS16203_SCAN_AUX_ADC, 0, 12), - ADIS_INCLI_CHAN(X, ADIS16203_XINCL_OUT, ADIS16203_SCAN_INCLI_X, + ADIS_INCLI_CHAN(X, ADIS16203_INCL_OUT, ADIS16203_SCAN_INCLI_X, BIT(IIO_CHAN_INFO_CALIBBIAS), 0, 14), - /* Fixme: Not what it appears to be - see data sheet */ - ADIS_INCLI_CHAN(Y, ADIS16203_YINCL_OUT, ADIS16203_SCAN_INCLI_Y, - 0, 0, 14), ADIS_TEMP_CHAN(ADIS16203_TEMP_OUT, ADIS16203_SCAN_TEMP, 0, 12), - IIO_CHAN_SOFT_TIMESTAMP(5), + IIO_CHAN_SOFT_TIMESTAMP(4), }; static const struct iio_info adis16203_info = { -- 2.54.0