From nobody Thu Dec 26 23:44:27 2024 Received: from mx0a-00128a01.pphosted.com (mx0a-00128a01.pphosted.com [148.163.135.77]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id D677E14A098; Fri, 29 Nov 2024 15:36:20 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=148.163.135.77 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1732894582; cv=none; b=CeSNGrQXHQtOuvdrXzr0TzrNImyviUIjP/U/2s8t0Swt/rgf2+Y0HdhijcbBkEYKBK8zF3gQ+mndra7ULtfJBXvvoRXno8JPGCt4u7ahdHHkuzzDrTABseZosY+Pt0Ye0X8LlSqhTDS0RJHFKChqhp5CNoayFGWSO2rrorXJo70= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1732894582; c=relaxed/simple; bh=ERillEXi32TmO291ueMdNu9zSZGnkoxQ11og5QEiJMs=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=OyULiTDyf3UHDVd1JHIIH01HI2Ol60UB/N4aZDqTi6phDTQCZ/VUB6CiFQ8CpphrNX52jGrRHDVLM90icX+sssDCoJnOIIACjYisJMLulCf0gZp3qxXyfP9+KN6Jjwr8klFr43lujOgyWhaIRrVd4uhUFNhFhPlRptzOqfdW7Cg= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=analog.com; spf=pass smtp.mailfrom=analog.com; dkim=pass (2048-bit key) header.d=analog.com header.i=@analog.com header.b=udr1oBug; arc=none smtp.client-ip=148.163.135.77 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=analog.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=analog.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=analog.com header.i=@analog.com header.b="udr1oBug" Received: from pps.filterd (m0167089.ppops.net [127.0.0.1]) by mx0a-00128a01.pphosted.com (8.18.1.2/8.18.1.2) with ESMTP id 4ATAbONY018135; Fri, 29 Nov 2024 10:36:16 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=analog.com; h=cc :content-transfer-encoding:content-type:date:from:in-reply-to :message-id:mime-version:references:subject:to; s=DKIM; bh=b48RC y6VWcErH7vH95mW8mlryW/fGUCUB270Kp4aV38=; b=udr1oBugd2JI7CY2+XSVl 0fn5AgZVSyu2FitbtkCaAT516xhLZjuLowipFaQiZfO92tg6SLzFS9vLMvDeed1t PtYsbJZo/p1MHmoecHanniO0SXCHISdXQgwKJJhGe5lp+RYLqipL+lki75vriqqt jzpO0WmoMMGPUSWe7AZQVcBTZoaIE/LFTysP/cwcgKrmXmn7d4i48K0XqPhrHxoW ZoWIRNPb6H1YacsFvTQuZKQ65PO9r+cOmsYo/utVFkkmqxRCq9iwUpRpaSn4ua3/ Iyue9S2qg3J+iJKKUs1j4usoAsNqXvObNXiw3fX/hY5ghtUHhpgAGs1CP2uqbjEa Q== Received: from nwd2mta3.analog.com ([137.71.173.56]) by mx0a-00128a01.pphosted.com (PPS) with ESMTPS id 436715tj51-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Fri, 29 Nov 2024 10:36:16 -0500 (EST) Received: from ASHBMBX9.ad.analog.com (ASHBMBX9.ad.analog.com [10.64.17.10]) by nwd2mta3.analog.com (8.14.7/8.14.7) with ESMTP id 4ATFaFoD008863 (version=TLSv1/SSLv3 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=FAIL); Fri, 29 Nov 2024 10:36:15 -0500 Received: from ASHBMBX8.ad.analog.com (10.64.17.5) by ASHBMBX9.ad.analog.com (10.64.17.10) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.986.14; Fri, 29 Nov 2024 10:36:15 -0500 Received: from zeus.spd.analog.com (10.66.68.11) by ashbmbx8.ad.analog.com (10.64.17.5) with Microsoft SMTP Server id 15.2.986.14 via Frontend Transport; Fri, 29 Nov 2024 10:36:15 -0500 Received: from amiclaus-VirtualBox.ad.analog.com (AMICLAUS-L02.ad.analog.com [10.48.65.161]) by zeus.spd.analog.com (8.15.1/8.15.1) with ESMTP id 4ATFa0m6001167; Fri, 29 Nov 2024 10:36:09 -0500 From: Antoniu Miclaus To: , , , , , , , CC: Antoniu Miclaus Subject: [PATCH v7 3/8] iio: backend: add API for oversampling Date: Fri, 29 Nov 2024 17:35:41 +0200 Message-ID: <20241129153546.63584-4-antoniu.miclaus@analog.com> X-Mailer: git-send-email 2.47.1 In-Reply-To: <20241129153546.63584-1-antoniu.miclaus@analog.com> References: <20241129153546.63584-1-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-ORIG-GUID: Zg_4RRgZdAd8P1OKyM1auGfxakJUahoc X-Proofpoint-GUID: Zg_4RRgZdAd8P1OKyM1auGfxakJUahoc 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 phishscore=0 mlxlogscore=999 suspectscore=0 mlxscore=0 bulkscore=0 impostorscore=0 malwarescore=0 lowpriorityscore=0 clxscore=1015 adultscore=0 priorityscore=1501 spamscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.19.0-2411120000 definitions=main-2411290127 Content-Type: text/plain; charset="utf-8" Add backend support for enabling/disabling oversampling. Signed-off-by: Antoniu Miclaus --- changes in v7: - implement 2 callbacks iio_backend_oversampling_enable() iio_backend_oversampling_disable() drivers/iio/industrialio-backend.c | 26 ++++++++++++++++++++++++++ include/linux/iio/backend.h | 6 ++++++ 2 files changed, 32 insertions(+) diff --git a/drivers/iio/industrialio-backend.c b/drivers/iio/industrialio-= backend.c index ea184fc2c838..86237c1e7ab4 100644 --- a/drivers/iio/industrialio-backend.c +++ b/drivers/iio/industrialio-backend.c @@ -681,6 +681,32 @@ 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_enable - oversampling enable + * @back: Backend device + * + * Return: + * 0 on success, negative error number on failure. + */ +int iio_backend_oversampling_enable(struct iio_backend *back) +{ + return iio_backend_op_call(back, oversampling_enable); +} +EXPORT_SYMBOL_NS_GPL(iio_backend_oversampling_enable, IIO_BACKEND); + +/** + * iio_backend_oversampling_disable - oversampling disable + * @back: Backend device + * + * Return: + * 0 on success, negative error number on failure. + */ +int iio_backend_oversampling_disable(struct iio_backend *back) +{ + return iio_backend_op_call(back, oversampling_disable); +} +EXPORT_SYMBOL_NS_GPL(iio_backend_oversampling_disable, 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..789fa9b586ec 100644 --- a/include/linux/iio/backend.h +++ b/include/linux/iio/backend.h @@ -94,6 +94,8 @@ enum iio_backend_interface_type { * @ext_info_get: Extended info getter. * @interface_type_get: Interface type. * @data_size_set: Data size. + * @oversampling_enable: Oversampling enable. + * @oversampling_disable: Oversampling disable. * @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 +134,8 @@ 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_enable)(struct iio_backend *back); + int (*oversampling_disable)(struct iio_backend *back); int (*read_raw)(struct iio_backend *back, struct iio_chan_spec const *chan, int *val, int *val2, long mask); @@ -183,6 +187,8 @@ 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_enable(struct iio_backend *back); +int iio_backend_oversampling_disable(struct iio_backend *back); int iio_backend_read_raw(struct iio_backend *back, struct iio_chan_spec const *chan, int *val, int *val2, long mask); --=20 2.47.1