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Mon, 11 Nov 2024 07:12:25 -0500 From: Antoniu Miclaus To: , , , , , , , CC: Antoniu Miclaus Subject: [PATCH v6 3/8] iio: backend: add API for oversampling Date: Mon, 11 Nov 2024 14:11:58 +0200 Message-ID: <20241111121203.3699-4-antoniu.miclaus@analog.com> X-Mailer: git-send-email 2.47.0 In-Reply-To: <20241111121203.3699-1-antoniu.miclaus@analog.com> References: <20241111121203.3699-1-antoniu.miclaus@analog.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-ADIRuleOP-NewSCL: Rule Triggered X-Proofpoint-GUID: FJHFDdkjd-eipz59409HxU7RStMm2VFY X-Proofpoint-ORIG-GUID: FJHFDdkjd-eipz59409HxU7RStMm2VFY X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1039,Hydra:6.0.680,FMLib:17.12.60.29 definitions=2024-09-06_09,2024-09-06_01,2024-09-02_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 impostorscore=0 bulkscore=0 phishscore=0 mlxlogscore=999 adultscore=0 lowpriorityscore=0 suspectscore=0 mlxscore=0 priorityscore=1501 spamscore=0 malwarescore=0 clxscore=1015 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.19.0-2409260000 definitions=main-2411110101 Content-Type: text/plain; charset="utf-8" Add backend support for enabling/disabling oversampling. Signed-off-by: Antoniu Miclaus --- changes in v6: - add iio backend commit for oversampling enable/disable drivers/iio/industrialio-backend.c | 14 ++++++++++++++ include/linux/iio/backend.h | 3 +++ 2 files changed, 17 insertions(+) diff --git a/drivers/iio/industrialio-backend.c b/drivers/iio/industrialio-= backend.c index ea184fc2c838..6ba445ba3dd0 100644 --- a/drivers/iio/industrialio-backend.c +++ b/drivers/iio/industrialio-backend.c @@ -681,6 +681,20 @@ int iio_backend_data_size_set(struct iio_backend *back= , unsigned int size) } EXPORT_SYMBOL_NS_GPL(iio_backend_data_size_set, IIO_BACKEND); =20 +/** + * iio_backend_oversampling_en - set the data width/size in the data bus. + * @back: Backend device + * @en: oversampling enabled/disabled. + * + * Return: + * 0 on success, negative error number on failure. + */ +int iio_backend_oversampling_en(struct iio_backend *back, bool en) +{ + return iio_backend_op_call(back, oversampling_en, en); +} +EXPORT_SYMBOL_NS_GPL(iio_backend_oversampling_en, IIO_BACKEND); + /** * iio_backend_extend_chan_spec - Extend an IIO channel * @back: Backend device diff --git a/include/linux/iio/backend.h b/include/linux/iio/backend.h index 59b6651b7eaf..b8f63823b3db 100644 --- a/include/linux/iio/backend.h +++ b/include/linux/iio/backend.h @@ -94,6 +94,7 @@ enum iio_backend_interface_type { * @ext_info_get: Extended info getter. * @interface_type_get: Interface type. * @data_size_set: Data size. + * @oversampling_en: Oversampling. * @read_raw: Read a channel attribute from a backend device * @debugfs_print_chan_status: Print channel status into a buffer. * @debugfs_reg_access: Read or write register value of backend. @@ -132,6 +133,7 @@ struct iio_backend_ops { int (*interface_type_get)(struct iio_backend *back, enum iio_backend_interface_type *type); int (*data_size_set)(struct iio_backend *back, unsigned int size); + int (*oversampling_en)(struct iio_backend *back, bool en); int (*read_raw)(struct iio_backend *back, struct iio_chan_spec const *chan, int *val, int *val2, long mask); @@ -183,6 +185,7 @@ ssize_t iio_backend_ext_info_get(struct iio_dev *indio_= dev, uintptr_t private, int iio_backend_interface_type_get(struct iio_backend *back, enum iio_backend_interface_type *type); int iio_backend_data_size_set(struct iio_backend *back, unsigned int size); +int iio_backend_oversampling_en(struct iio_backend *back, bool en); int iio_backend_read_raw(struct iio_backend *back, struct iio_chan_spec const *chan, int *val, int *val2, long mask); --=20 2.47.0