From patchwork Tue Mar 22 10:50:25 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Alexandru Tachici X-Patchwork-Id: 12788221 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 6006CC433FE for ; Tue, 22 Mar 2022 10:41:16 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233212AbiCVKmk (ORCPT ); Tue, 22 Mar 2022 06:42:40 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37472 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233206AbiCVKmj (ORCPT ); Tue, 22 Mar 2022 06:42:39 -0400 Received: from mx0a-00128a01.pphosted.com (mx0a-00128a01.pphosted.com [148.163.135.77]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 98F718118D; Tue, 22 Mar 2022 03:41:07 -0700 (PDT) Received: from pps.filterd (m0167089.ppops.net [127.0.0.1]) by mx0a-00128a01.pphosted.com (8.16.1.2/8.16.1.2) with ESMTP id 22M9gi81009968; Tue, 22 Mar 2022 06:41:00 -0400 Received: from nwd2mta3.analog.com ([137.71.173.56]) by mx0a-00128a01.pphosted.com (PPS) with ESMTPS id 3ewc34vsva-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Tue, 22 Mar 2022 06:40:59 -0400 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 22MAewVe036330 (version=TLSv1/SSLv3 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=FAIL); Tue, 22 Mar 2022 06:40:58 -0400 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; Tue, 22 Mar 2022 06:40:57 -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, 22 Mar 2022 06:40:57 -0400 Received: from localhost.localdomain ([10.48.65.12]) by zeus.spd.analog.com (8.15.1/8.15.1) with ESMTP id 22MAelCB008328; Tue, 22 Mar 2022 06:40:54 -0400 From: To: , CC: , Alexandru Tachici Subject: [PATCH v3 2/6] iio: adc: ad7124: Add update_scan_mode Date: Tue, 22 Mar 2022 12:50:25 +0200 Message-ID: <20220322105029.86389-3-alexandru.tachici@analog.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20220322105029.86389-1-alexandru.tachici@analog.com> References: <20220322105029.86389-1-alexandru.tachici@analog.com> MIME-Version: 1.0 X-ADIRuleOP-NewSCL: Rule Triggered X-Proofpoint-GUID: ntblY5BkN_GRPZcTbJzpdpeyXQxnOq6c X-Proofpoint-ORIG-GUID: ntblY5BkN_GRPZcTbJzpdpeyXQxnOq6c 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=2022-03-22_03,2022-03-22_01,2022-02-23_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 phishscore=0 bulkscore=0 clxscore=1015 mlxlogscore=999 malwarescore=0 impostorscore=0 lowpriorityscore=0 suspectscore=0 priorityscore=1501 mlxscore=0 spamscore=0 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2202240000 definitions=main-2203220062 Precedence: bulk List-ID: X-Mailing-List: linux-iio@vger.kernel.org From: Alexandru Tachici The callback .set_channel cannot be used to enable and disable multiple channels at once as they are presented in the active_scan_mask. 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/ad7124.c | 21 +++++++++++++++++++++ 1 file changed, 21 insertions(+) diff --git a/drivers/iio/adc/ad7124.c b/drivers/iio/adc/ad7124.c index 7249db2c4422..428ec3e257d7 100644 --- a/drivers/iio/adc/ad7124.c +++ b/drivers/iio/adc/ad7124.c @@ -669,11 +669,32 @@ static const struct attribute_group ad7124_attrs_group = { .attrs = ad7124_attributes, }; +static int ad7124_update_scan_mode(struct iio_dev *indio_dev, + const unsigned long *scan_mask) +{ + struct ad7124_state *st = iio_priv(indio_dev); + bool bit_set; + int ret; + int i; + + for (i = 0; i < st->num_channels; i++) { + bit_set = test_bit(i, scan_mask); + ret = ad7124_spi_write_mask(st, AD7124_CHANNEL(i), + AD7124_CHANNEL_EN_MSK, + AD7124_CHANNEL_EN(bit_set), + 2); + if (ret < 0) + return ret; + } + return 0; +} + static const struct iio_info ad7124_info = { .read_raw = ad7124_read_raw, .write_raw = ad7124_write_raw, .debugfs_reg_access = &ad7124_reg_access, .validate_trigger = ad_sd_validate_trigger, + .update_scan_mode = ad7124_update_scan_mode, .attrs = &ad7124_attrs_group, };