From patchwork Thu Feb 20 13:54:14 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Antoniu Miclaus X-Patchwork-Id: 13984012 Received: from mx0b-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 A18A31FCF45; Thu, 20 Feb 2025 13:56:18 +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=1740059780; cv=none; b=UqKCi+uKNng0xGpuimb7MuzU2BFeVZ4W5150dsWdCbstotJPKLaB++5zQtCtsK+TSElir/7RtkhfyGBB351jJ4hPMC7T+4ByNdvAPETbWp/7zJ7NEqgVrMY8gGaP4CIgYGLVVKdj0jq1rGLV6ztijSrPH/jJ8/LfPYteXTBYS0I= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1740059780; c=relaxed/simple; bh=gMJtHRGrtpp+0AEvHlDl4VX+l6vX3rxzdSdznLBFXNo=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=fX3E7CN3cNG7N1TyhhXtpHJ6FmHF/uN47SoRyhHsHrVyBmp1MYwfdBGbB9alJFDMU6M7p9UZn3HUj9CtS97ZsO3aM8VQKGeCZJyja8IY9feGkM5VSpGg4tuVMCprZicRz/LMWxnwzGwDNy3Vi5yR7fyPlIquRn8ruCbupf0or84= 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=vb+w5U5h; 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="vb+w5U5h" Received: from pps.filterd (m0375855.ppops.net [127.0.0.1]) by mx0b-00128a01.pphosted.com (8.18.1.2/8.18.1.2) with ESMTP id 51KBM5Xo023834; Thu, 20 Feb 2025 08:56:15 -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=6v5SA y9Q1NxTpdSgjdeqtE9v28o5AfMN+l2Nqx9SCXU=; b=vb+w5U5h7SSi6VUiA3iph vaTw0oTEAIHOdY5hNIiWU/lpidWdayf6KP5jaHHX5xXAihIeGfcOnsazyEudIqtv +k476kv+B1VzxzDwe9yyj2XtnLcAI3jzInp9CWU9oz3IrdzF0Sv+Km6gqFCF4EHm N3VejAmkccSly5sd42sgxJ9w6AaZaZJ515zzb3YhLltI0oZCeSRincvOWBJ+zCJ/ PmXNW2JpOdyTPeLZgksGxXx+3l0/xk7FS/uAnkM+Vy1H/fR0WZGJSyOyqiFAAwmt 0+gjs/N8DhHViDSRPq/CnSuQiRwLyPO/eAlkJez7IDX/u+4g30oEYMupwdxVjv9k Q== Received: from nwd2mta3.analog.com ([137.71.173.56]) by mx0b-00128a01.pphosted.com (PPS) with ESMTPS id 44x3f40hdu-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 20 Feb 2025 08:56:15 -0500 (EST) Received: from ASHBMBX8.ad.analog.com (ASHBMBX8.ad.analog.com [10.64.17.5]) by nwd2mta3.analog.com (8.14.7/8.14.7) with ESMTP id 51KDuEva054134 (version=TLSv1/SSLv3 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=FAIL); Thu, 20 Feb 2025 08:56:14 -0500 Received: from ASHBMBX8.ad.analog.com (10.64.17.5) by ASHBMBX8.ad.analog.com (10.64.17.5) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.986.14; Thu, 20 Feb 2025 08:56:14 -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; Thu, 20 Feb 2025 08:56:14 -0500 Received: from amiclaus-VirtualBox.ad.analog.com (AMICLAUS-L02.ad.analog.com [10.48.65.155]) by zeus.spd.analog.com (8.15.1/8.15.1) with ESMTP id 51KDtxqr008409; Thu, 20 Feb 2025 08:56:08 -0500 From: Antoniu Miclaus To: , , , , , CC: Antoniu Miclaus Subject: [PATCH 04/14] iio: backend: add support for sync status Date: Thu, 20 Feb 2025 15:54:14 +0200 Message-ID: <20250220135429.8615-5-antoniu.miclaus@analog.com> X-Mailer: git-send-email 2.48.1 In-Reply-To: <20250220135429.8615-1-antoniu.miclaus@analog.com> References: <20250220135429.8615-1-antoniu.miclaus@analog.com> Precedence: bulk X-Mailing-List: linux-iio@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-ADIRuleOP-NewSCL: Rule Triggered X-Proofpoint-ORIG-GUID: lwhqwMtc1IPAtt4ix0_BTCJJiDSVqpMi X-Proofpoint-GUID: lwhqwMtc1IPAtt4ix0_BTCJJiDSVqpMi X-Authority-Analysis: v=2.4 cv=DuKs+H/+ c=1 sm=1 tr=0 ts=67b7347f cx=c_pps a=PpDZqlmH/M8setHirZLBMw==:117 a=PpDZqlmH/M8setHirZLBMw==:17 a=T2h4t0Lz3GQA:10 a=gAnH3GRIAAAA:8 a=XpakW2QAsv3AO3mn8AYA:9 a=oVHKYsEdi7-vN-J5QA_j:22 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1057,Hydra:6.0.680,FMLib:17.12.68.34 definitions=2025-02-20_05,2025-02-20_02,2024-11-22_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 clxscore=1015 impostorscore=0 mlxscore=0 phishscore=0 suspectscore=0 mlxlogscore=999 bulkscore=0 adultscore=0 lowpriorityscore=0 spamscore=0 priorityscore=1501 malwarescore=0 classifier=spam authscore=0 authtc=n/a authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.19.0-2502100000 definitions=main-2502200101 Add iio backend support for synchronization status read. The return value is a boolean stating if the synchronization is enabled or disabled. Signed-off-by: Antoniu Miclaus --- 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 a81780f569e3..99c46b79e373 100644 --- a/drivers/iio/industrialio-backend.c +++ b/drivers/iio/industrialio-backend.c @@ -860,6 +860,20 @@ int iio_backend_self_sync_disable(struct iio_backend *back) } EXPORT_SYMBOL_NS_GPL(iio_backend_self_sync_disable, "IIO_BACKEND"); +/** + * iio_backend_sync_status_get - Read the syncronization status + * @back: Backend device + * @sync_en: Synchronization status returned (enabled or disabled) + * + * RETURNS: + * 0 on success, negative error number on failure. + */ +int iio_backend_sync_status_get(struct iio_backend *back, bool *sync_en) +{ + return iio_backend_op_call(back, sync_status_get, sync_en); +} +EXPORT_SYMBOL_NS_GPL(iio_backend_sync_status_get, "IIO_BACKEND"); + /** * iio_backend_ddr_enable - Enable interface DDR (Double Data Rate) mode * @back: Backend device diff --git a/include/linux/iio/backend.h b/include/linux/iio/backend.h index 8e663c838974..38322e808ee2 100644 --- a/include/linux/iio/backend.h +++ b/include/linux/iio/backend.h @@ -106,6 +106,7 @@ enum iio_backend_interface_type { * @bitslip_disable: Disable sync process. * @self_sync_enable: Enable the self sync data capture. * @self_sync_disable: Disable the self sync data capture. + * @sync_status_get: Get the syncronization status (enabled/disabled). * @ddr_enable: Enable interface DDR (Double Data Rate) mode. * @ddr_disable: Disable interface DDR (Double Data Rate) mode. * @data_stream_enable: Enable data stream. @@ -162,6 +163,7 @@ struct iio_backend_ops { int (*bitslip_disable)(struct iio_backend *back); int (*self_sync_enable)(struct iio_backend *back); int (*self_sync_disable)(struct iio_backend *back); + int (*sync_status_get)(struct iio_backend *back, bool *sync_en); int (*ddr_enable)(struct iio_backend *back); int (*ddr_disable)(struct iio_backend *back); int (*data_stream_enable)(struct iio_backend *back); @@ -208,6 +210,7 @@ int iio_backend_bitslip_enable(struct iio_backend *back); int iio_backend_bitslip_disable(struct iio_backend *back); int iio_backend_self_sync_enable(struct iio_backend *back); int iio_backend_self_sync_disable(struct iio_backend *back); +int iio_backend_sync_status_get(struct iio_backend *back, bool *sync_en); int iio_backend_ddr_enable(struct iio_backend *back); int iio_backend_ddr_disable(struct iio_backend *back); int iio_backend_data_stream_enable(struct iio_backend *back);