From patchwork Tue Sep 13 07:34:11 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Nuno Sa X-Patchwork-Id: 12974503 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 94AACC54EE9 for ; Tue, 13 Sep 2022 07:33:28 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230357AbiIMHd1 convert rfc822-to-8bit (ORCPT ); Tue, 13 Sep 2022 03:33:27 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:38322 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230044AbiIMHd0 (ORCPT ); Tue, 13 Sep 2022 03:33:26 -0400 Received: from mx0a-00128a01.pphosted.com (mx0a-00128a01.pphosted.com [148.163.135.77]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 3FD7158B48 for ; Tue, 13 Sep 2022 00:33:25 -0700 (PDT) Received: from pps.filterd (m0167089.ppops.net [127.0.0.1]) by mx0a-00128a01.pphosted.com (8.17.1.5/8.17.1.5) with ESMTP id 28D4wuhm024194; Tue, 13 Sep 2022 03:33:11 -0400 Received: from nwd2mta4.analog.com ([137.71.173.58]) by mx0a-00128a01.pphosted.com (PPS) with ESMTPS id 3jgqg5tyj9-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Tue, 13 Sep 2022 03:33:11 -0400 Received: from ASHBMBX9.ad.analog.com (ASHBMBX9.ad.analog.com [10.64.17.10]) by nwd2mta4.analog.com (8.14.7/8.14.7) with ESMTP id 28D7XAc7035741 (version=TLSv1/SSLv3 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=FAIL); Tue, 13 Sep 2022 03:33:10 -0400 Received: from ASHBCASHYB5.ad.analog.com (10.64.17.133) 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; Tue, 13 Sep 2022 03:33:09 -0400 Received: from ASHBMBX8.ad.analog.com (10.64.17.5) by ASHBCASHYB5.ad.analog.com (10.64.17.133) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.986.14; Tue, 13 Sep 2022 03:33:09 -0400 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; Tue, 13 Sep 2022 03:33:09 -0400 Received: from nsa.ad.analog.com ([10.44.3.57]) by zeus.spd.analog.com (8.15.1/8.15.1) with ESMTP id 28D7WuNO002761; Tue, 13 Sep 2022 03:32:59 -0400 From: =?utf-8?q?Nuno_S=C3=A1?= To: CC: Michael Hennerich , Lars-Peter Clausen , Jonathan Cameron Subject: [PATCH 0/2] ad5593r fix read protocol Date: Tue, 13 Sep 2022 09:34:11 +0200 Message-ID: <20220913073413.140475-1-nuno.sa@analog.com> X-Mailer: git-send-email 2.37.3 MIME-Version: 1.0 X-ADIRuleOP-NewSCL: Rule Triggered X-Proofpoint-GUID: 0yshfwMLxKIvGN_WlXN3TTQUy4JF7Qvt X-Proofpoint-ORIG-GUID: 0yshfwMLxKIvGN_WlXN3TTQUy4JF7Qvt X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.205,Aquarius:18.0.895,Hydra:6.0.528,FMLib:17.11.122.1 definitions=2022-09-13_02,2022-09-12_02,2022-06-22_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 phishscore=0 mlxscore=0 malwarescore=0 mlxlogscore=524 clxscore=1015 priorityscore=1501 lowpriorityscore=0 adultscore=0 suspectscore=0 impostorscore=0 spamscore=0 bulkscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2207270000 definitions=main-2209130033 Precedence: bulk List-ID: X-Mailing-List: linux-iio@vger.kernel.org This patchset fixes the read protocol since it needs a STOP condition between address write and data read. The second change is trivial and only adds an i2c functionality check. Michael Hennerich (1): iio: dac: ad5593r: Fix i2c read protocol requirements Nuno Sá (1): iio: dac: ad5593r: add check for i2c functionality drivers/iio/dac/ad5593r.c | 48 +++++++++++++++++++++++---------------- 1 file changed, 28 insertions(+), 20 deletions(-)