From nobody Thu Dec 26 23:35:37 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 C32841474B8; Fri, 29 Nov 2024 15:36:19 +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=1732894581; cv=none; b=nui4kH6ipOyNvuXQFNMFMTFaxC4Y+uPB6bF8cjaQn2MymtNepVhwoqL1ySutkiZdAqJgPxOSCgLGEMxsbeLg+mo/jTTWYYEnEmPIg4H5cnLcvKNtOU58EUAow8Nr6sWR8aWIs5rra9ZP8aM31BanrEggIlwjTIyU2JlqaXkXWAw= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1732894581; c=relaxed/simple; bh=YyP53DSamv5FMtyW/uudWwiK/S3uvFgF0JV1t1jlmLM=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=MmxB2q1xbLctRGnJf0JOLx8bffvtg9X44kRKUr/H55CJc2Q2lwlJ7vhb9fgu+Pm3wc0PmDd56OCz1wP30nb5yfCUIKOULejk+ZgJS4qW4PYimXJ4s9E/c27ZkBItzKAcKQfWy/o8+FQ2Qxki9VcngdPOS0jmOoe7T+/8TQm9sAo= 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=KLlJUTeV; 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="KLlJUTeV" Received: from pps.filterd (m0167088.ppops.net [127.0.0.1]) by mx0a-00128a01.pphosted.com (8.18.1.2/8.18.1.2) with ESMTP id 4ATBH9vE014508; Fri, 29 Nov 2024 10:36:15 -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=3Ojxf 0kdY9HlGNVc+coKjhLF87B+fe/UDdpRN538xYM=; b=KLlJUTeVsChwqmxCR9l8u /VX/RxT+UPrb5qkuzAh0NHPpcuPFJK2uELGDC4uCimpuSi4mTx53uAffGxuMk9lC aId3iZKKHX9PnL9utBJwP2FV38rbKIwe+aisJLtoLZ0zf4FEeiWkOgR4DY9glKre 05A+2+f2YlTEqMLPfdgYWPzFJFGdOqKTijyYP+G8erZIQJopQIzTbrUzxWKuPaAS yk6qXRXYf5GupOxknJoY9eSlbo8CvWHsro1dk9O9UlN3PhnWp10MKr98Gj2Hd6wQ G5KO/5oM4NJZEKJovWLpayYUiJwKM5qIytb4zcVQvSxG1btjipAHl2RFgRxP/1oa w== Received: from nwd2mta3.analog.com ([137.71.173.56]) by mx0a-00128a01.pphosted.com (PPS) with ESMTPS id 436716tmxe-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Fri, 29 Nov 2024 10:36:15 -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 4ATFaE49008853 (version=TLSv1/SSLv3 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=FAIL); Fri, 29 Nov 2024 10:36:14 -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 10:36:13 -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 10:36:13 -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 4ATFa0m4001167; Fri, 29 Nov 2024 10:36:06 -0500 From: Antoniu Miclaus To: , , , , , , , CC: Antoniu Miclaus Subject: [PATCH v7 1/8] iio: backend: add API for interface get Date: Fri, 29 Nov 2024 17:35:39 +0200 Message-ID: <20241129153546.63584-2-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-GUID: rRO7aMBugoXlFpI3ZwdXrvgQMgkElKyU X-Proofpoint-ORIG-GUID: rRO7aMBugoXlFpI3ZwdXrvgQMgkElKyU 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 priorityscore=1501 mlxlogscore=999 adultscore=0 phishscore=0 mlxscore=0 lowpriorityscore=0 bulkscore=0 spamscore=0 impostorscore=0 suspectscore=0 malwarescore=0 clxscore=1015 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 obtaining the interface type used. Reviewed-by: David Lechner Signed-off-by: Antoniu Miclaus --- no changes in v7. drivers/iio/industrialio-backend.c | 24 ++++++++++++++++++++++++ include/linux/iio/backend.h | 11 +++++++++++ 2 files changed, 35 insertions(+) diff --git a/drivers/iio/industrialio-backend.c b/drivers/iio/industrialio-= backend.c index 20b3b5212da7..c792cd1e24e8 100644 --- a/drivers/iio/industrialio-backend.c +++ b/drivers/iio/industrialio-backend.c @@ -636,6 +636,30 @@ ssize_t iio_backend_ext_info_set(struct iio_dev *indio= _dev, uintptr_t private, } EXPORT_SYMBOL_NS_GPL(iio_backend_ext_info_set, IIO_BACKEND); =20 +/** + * iio_backend_interface_type_get - get the interface type used. + * @back: Backend device + * @type: Interface type + * + * RETURNS: + * 0 on success, negative error number on failure. + */ +int iio_backend_interface_type_get(struct iio_backend *back, + enum iio_backend_interface_type *type) +{ + int ret; + + ret =3D iio_backend_op_call(back, interface_type_get, type); + if (ret) + return ret; + + if (*type >=3D IIO_BACKEND_INTERFACE_MAX) + return -EINVAL; + + return 0; +} +EXPORT_SYMBOL_NS_GPL(iio_backend_interface_type_get, 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 37d56914d485..e5ea90f1c3e0 100644 --- a/include/linux/iio/backend.h +++ b/include/linux/iio/backend.h @@ -68,6 +68,12 @@ enum iio_backend_sample_trigger { IIO_BACKEND_SAMPLE_TRIGGER_MAX }; =20 +enum iio_backend_interface_type { + IIO_BACKEND_INTERFACE_SERIAL_LVDS, + IIO_BACKEND_INTERFACE_SERIAL_CMOS, + IIO_BACKEND_INTERFACE_MAX +}; + /** * struct iio_backend_ops - operations structure for an iio_backend * @enable: Enable backend. @@ -86,6 +92,7 @@ enum iio_backend_sample_trigger { * @extend_chan_spec: Extend an IIO channel. * @ext_info_set: Extended info setter. * @ext_info_get: Extended info getter. + * @interface_type_get: Interface type. * @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. @@ -121,6 +128,8 @@ struct iio_backend_ops { const char *buf, size_t len); int (*ext_info_get)(struct iio_backend *back, uintptr_t private, const struct iio_chan_spec *chan, char *buf); + int (*interface_type_get)(struct iio_backend *back, + enum iio_backend_interface_type *type); int (*read_raw)(struct iio_backend *back, struct iio_chan_spec const *chan, int *val, int *val2, long mask); @@ -169,6 +178,8 @@ ssize_t iio_backend_ext_info_set(struct iio_dev *indio_= dev, uintptr_t private, const char *buf, size_t len); ssize_t iio_backend_ext_info_get(struct iio_dev *indio_dev, uintptr_t priv= ate, const struct iio_chan_spec *chan, char *buf); +int iio_backend_interface_type_get(struct iio_backend *back, + enum iio_backend_interface_type *type); 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