From patchwork Fri Mar 18 16:27:17 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Alexandru Tachici X-Patchwork-Id: 12785633 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 93D89C41535 for ; Fri, 18 Mar 2022 16:18:01 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S238930AbiCRQTR (ORCPT ); Fri, 18 Mar 2022 12:19:17 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:60934 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S239148AbiCRQTG (ORCPT ); Fri, 18 Mar 2022 12:19:06 -0400 Received: from mx0a-00128a01.pphosted.com (mx0a-00128a01.pphosted.com [148.163.135.77]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 5EB691D788F; Fri, 18 Mar 2022 09:17:47 -0700 (PDT) Received: from pps.filterd (m0167088.ppops.net [127.0.0.1]) by mx0a-00128a01.pphosted.com (8.16.1.2/8.16.1.2) with ESMTP id 22IEsfmG002515; Fri, 18 Mar 2022 12:17:45 -0400 Received: from nwd2mta3.analog.com ([137.71.173.56]) by mx0a-00128a01.pphosted.com (PPS) with ESMTPS id 3evfqpcu6h-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Fri, 18 Mar 2022 12:17:45 -0400 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 22IGHigE035523 (version=TLSv1/SSLv3 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=FAIL); Fri, 18 Mar 2022 12:17:44 -0400 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, 18 Mar 2022 12:17:43 -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; Fri, 18 Mar 2022 12:17:43 -0400 Received: from localhost.localdomain ([10.48.65.12]) by zeus.spd.analog.com (8.15.1/8.15.1) with ESMTP id 22IGHWUi024583; Fri, 18 Mar 2022 12:17:40 -0400 From: To: , CC: , Alexandru Tachici Subject: [PATCH v2 3/8] iio: adc: ad7192: Add update_scan_mode Date: Fri, 18 Mar 2022 18:27:17 +0200 Message-ID: <20220318162722.51215-4-alexandru.tachici@analog.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20220318162722.51215-1-alexandru.tachici@analog.com> References: <20220318162722.51215-1-alexandru.tachici@analog.com> MIME-Version: 1.0 X-ADIRuleOP-NewSCL: Rule Triggered X-Proofpoint-GUID: HihOv4Xqcs6K6UZJMocoh8H1e_jTwg3o X-Proofpoint-ORIG-GUID: HihOv4Xqcs6K6UZJMocoh8H1e_jTwg3o X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.205,Aquarius:18.0.850,Hydra:6.0.425,FMLib:17.11.64.514 definitions=2022-03-18_11,2022-03-15_01,2022-02-23_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 suspectscore=0 spamscore=0 malwarescore=0 bulkscore=0 lowpriorityscore=0 clxscore=1015 priorityscore=1501 mlxscore=0 mlxlogscore=999 adultscore=0 impostorscore=0 phishscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2202240000 definitions=main-2203180088 Precedence: bulk List-ID: X-Mailing-List: linux-iio@vger.kernel.org From: Alexandru Tachici The callback .set_channel cannot be used to enable multiple channels at once, only one is allowed simultaneously. By adding an update_scan_mode callback, every time the continuous mode is activated, channels will be enabled/disabled accordingly. Signed-off-by: Alexandru Tachici --- drivers/iio/adc/ad7192.c | 14 ++++++++++++++ 1 file changed, 14 insertions(+) diff --git a/drivers/iio/adc/ad7192.c b/drivers/iio/adc/ad7192.c index 770b4e59238f..adff6472e075 100644 --- a/drivers/iio/adc/ad7192.c +++ b/drivers/iio/adc/ad7192.c @@ -783,6 +783,18 @@ static int ad7192_read_avail(struct iio_dev *indio_dev, return -EINVAL; } +static int ad7192_update_scan_mode(struct iio_dev *indio_dev, const unsigned long *scan_mask) +{ + struct ad7192_state *st = iio_priv(indio_dev); + int i; + + st->conf &= ~AD7192_CONF_CHAN_MASK; + for_each_set_bit(i, scan_mask, 8) + st->conf |= AD7192_CONF_CHAN(i); + + return ad_sd_write_reg(&st->sd, AD7192_REG_CONF, 3, st->conf); +} + static const struct iio_info ad7192_info = { .read_raw = ad7192_read_raw, .write_raw = ad7192_write_raw, @@ -790,6 +802,7 @@ static const struct iio_info ad7192_info = { .read_avail = ad7192_read_avail, .attrs = &ad7192_attribute_group, .validate_trigger = ad_sd_validate_trigger, + .update_scan_mode = ad7192_update_scan_mode, }; static const struct iio_info ad7195_info = { @@ -799,6 +812,7 @@ static const struct iio_info ad7195_info = { .read_avail = ad7192_read_avail, .attrs = &ad7195_attribute_group, .validate_trigger = ad_sd_validate_trigger, + .update_scan_mode = ad7192_update_scan_mode, }; #define __AD719x_CHANNEL(_si, _channel1, _channel2, _address, _extend_name, \