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Tue, 1 Sep 2026 16:36:04 +0200 (CEST) From: Kanak Shilledar Date: Tue, 1 Sep 2026 16:35:57 +0200 Subject: [PATCH v3 4/8] iio: imu: inv_icm42607: Switch to little endian 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: 7bit Message-ID: <20260901-b4-inv_icm42370p-v3-4-77cc31642115@axis.com> References: <20260901-b4-inv_icm42370p-v3-0-77cc31642115@axis.com> In-Reply-To: <20260901-b4-inv_icm42370p-v3-0-77cc31642115@axis.com> To: Henrik Grimler , Jonathan Cameron , David Lechner , =?utf-8?q?Nuno_S=C3=A1?= , Andy Shevchenko , Rob Herring , Krzysztof Kozlowski , Conor Dooley , "Jean-Baptiste Maneyrol" , Joshua Crofts , Marcelo Schmitt , Chris Morgan CC: Kanak Shilledar , , , , X-Mailer: b4 0.15.2 X-Developer-Signature: v=1; a=openpgp-sha256; l=4057; i=kanak.shilledar@axis.com; h=from:subject:message-id; bh=+4T+VaRXV0wF8O7dZaNBfbU9eX2aJT0FfOKi8AXnX1A=; b=owGbwMvMwCV2JPnG7+2HZqUznlZLYsia9ujyOsMGbdHIh2ZF/wt/JzvKMcw408Jyydv38Vxnl wa/VsZVHaUsDGJcDLJiiiznjLZH70/+pztH2ukSzBxWJpAhDFycAjARF2ZGhrMqU+Y8nDRpXk76 DT++yKSLNSGxcv7ayw4c26ItMPfAiSqG/zEWvF1BgkLGgjGz/sw+dsLgY7vUvL+uwcKNiWeEtvn 84wUA X-Developer-Key: i=kanak.shilledar@axis.com; 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X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: GJmLzuwzMXZsXAoXe9T+Vb3MDkZHKkAn7mR2CTvi9hLkd9Pcx20Vc7YaT9ZNo9+PxArJXeMNCJey6R1ZscoZ10klEO1g+wDo5khXk4Z6m17VD0sI10BAQRNJev0crkKjNdKVqwbzai+txGJIdOnELfNJBdq7SpsslwlYIxkULk1wmx6Xsr9N9eW+xwlaHSvHesfcObCd16XQj+BljvBCh6CnbGqDyziKtrXZePy/RKKOUd1iYWW1kDA1WmG7sf4kX9Rop+Ci6VmDB9Jr2i+RGiZUW8Z4GLaXLkmQdHWKZAqy0FzXKhwHH1k+4S0ZB0ceEk/YM7wCcV8pZJAHZyz5N+3pZK6N63igqp1eMIzGEEVhWBEsCArUzAhls+hORi3Uo80ldQ2MihiQShj+SPekon4XjVTdwo3jSjo8SpBxYQFkkJossr28nSt8kL2r5IOW X-OriginatorOrg: axis.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 01 Sep 2026 14:36:10.6842 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: d17658cb-9c9e-44b9-9de4-08df08365df0 X-MS-Exchange-CrossTenant-Id: 78703d3c-b907-432f-b066-88f7af9ca3af X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=78703d3c-b907-432f-b066-88f7af9ca3af;Ip=[195.60.68.100];Helo=[mail.axis.com] X-MS-Exchange-CrossTenant-AuthSource: AMS1EPF0000009C.eurprd02.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: AS8PR02MB6950 The device supports both big and little endian formats for sensor data, this is handled via the SENSOR_DATA_BIT in INTF_CONFIG0 register. The default value is big-endian format. Switch to little-endian as it matches the native byte order on vast majority of systems and avoids unnecessary byte-swapping. Datasheet: https://www.invensense.tdk.com/en-us/products/3-axis/icm-42370-p Datasheet: https://www.lcsc.com/product-detail/C5129967.html Signed-off-by: Kanak Shilledar --- drivers/iio/imu/inv_icm42607/inv_icm42607_accel.c | 2 +- drivers/iio/imu/inv_icm42607/inv_icm42607_core.c | 6 +++--- drivers/iio/imu/inv_icm42607/inv_icm42607_gyro.c | 2 +- drivers/iio/imu/inv_icm42607/inv_icm42607_temp.c | 2 +- drivers/iio/imu/inv_icm42607/inv_icm42607_temp.h | 2 +- 5 files changed, 7 insertions(+), 7 deletions(-) diff --git a/drivers/iio/imu/inv_icm42607/inv_icm42607_accel.c b/drivers/iio/imu/inv_icm42607/inv_icm42607_accel.c index 8f61bc901452..318373efeb9e 100644 --- a/drivers/iio/imu/inv_icm42607/inv_icm42607_accel.c +++ b/drivers/iio/imu/inv_icm42607/inv_icm42607_accel.c @@ -32,7 +32,7 @@ .sign = 's', \ .realbits = 16, \ .storagebits = 16, \ - .endianness = IIO_BE, \ + .endianness = IIO_LE, \ }, \ .ext_info = inv_icm42607_accel_ext_infos, \ } diff --git a/drivers/iio/imu/inv_icm42607/inv_icm42607_core.c b/drivers/iio/imu/inv_icm42607/inv_icm42607_core.c index de3b158f446c..7eb486ff673b 100644 --- a/drivers/iio/imu/inv_icm42607/inv_icm42607_core.c +++ b/drivers/iio/imu/inv_icm42607/inv_icm42607_core.c @@ -343,7 +343,7 @@ int inv_icm42607_read_sensor(struct iio_dev *indio_dev, struct inv_icm42607_sensor_state *sensor_st = iio_priv(indio_dev); struct device *dev = regmap_get_device(st->map); unsigned int reg; - __be16 data; + __le16 data; int ret; if ((chan->type != IIO_ANGL_VEL) && (chan->type != IIO_ACCEL)) @@ -391,7 +391,7 @@ int inv_icm42607_read_sensor(struct iio_dev *indio_dev, if (ret) return ret; - *val = be16_to_cpu(data); + *val = le16_to_cpu(data); if (*val == INV_ICM42607_DATA_INVALID) return -EINVAL; @@ -490,7 +490,7 @@ static int inv_icm42607_setup(struct inv_icm42607_state *st, if (ret) return ret; - ret = regmap_set_bits(st->map, INV_ICM42607_REG_INTF_CONFIG0, + ret = regmap_clear_bits(st->map, INV_ICM42607_REG_INTF_CONFIG0, INV_ICM42607_INTF_CONFIG0_SENSOR_DATA_ENDIAN); if (ret) return ret; diff --git a/drivers/iio/imu/inv_icm42607/inv_icm42607_gyro.c b/drivers/iio/imu/inv_icm42607/inv_icm42607_gyro.c index 8e8d36461e51..fb9bacee4e8d 100644 --- a/drivers/iio/imu/inv_icm42607/inv_icm42607_gyro.c +++ b/drivers/iio/imu/inv_icm42607/inv_icm42607_gyro.c @@ -32,7 +32,7 @@ .sign = 's', \ .realbits = 16, \ .storagebits = 16, \ - .endianness = IIO_BE, \ + .endianness = IIO_LE, \ }, \ .ext_info = inv_icm42607_gyro_ext_infos, \ } diff --git a/drivers/iio/imu/inv_icm42607/inv_icm42607_temp.c b/drivers/iio/imu/inv_icm42607/inv_icm42607_temp.c index 53f0484c0845..ab2ba7900095 100644 --- a/drivers/iio/imu/inv_icm42607/inv_icm42607_temp.c +++ b/drivers/iio/imu/inv_icm42607/inv_icm42607_temp.c @@ -58,7 +58,7 @@ static int inv_icm42607_temp_read(struct inv_icm42607_state *st, s16 *temp) if (ret) return ret; - *temp = get_unaligned_be16(raw); + *temp = get_unaligned_le16(raw); if (*temp == INV_ICM42607_DATA_INVALID) return -EINVAL; diff --git a/drivers/iio/imu/inv_icm42607/inv_icm42607_temp.h b/drivers/iio/imu/inv_icm42607/inv_icm42607_temp.h index 18499b4d0b94..eb55e2daac89 100644 --- a/drivers/iio/imu/inv_icm42607/inv_icm42607_temp.h +++ b/drivers/iio/imu/inv_icm42607/inv_icm42607_temp.h @@ -27,7 +27,7 @@ struct iio_chan_spec; .sign = 's', \ .realbits = 16, \ .storagebits = 16, \ - .endianness = IIO_BE, \ + .endianness = IIO_LE, \ }, \ } -- 2.43.0