From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 5B3D9C18E5A for ; Wed, 11 Mar 2020 08:40:50 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 3E0C120637 for ; Wed, 11 Mar 2020 08:40:50 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728634AbgCKIkt (ORCPT ); Wed, 11 Mar 2020 04:40:49 -0400 Received: from mx0a-00128a01.pphosted.com ([148.163.135.77]:32756 "EHLO mx0a-00128a01.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726934AbgCKIks (ORCPT ); Wed, 11 Mar 2020 04:40:48 -0400 Received: from pps.filterd (m0167088.ppops.net [127.0.0.1]) by mx0a-00128a01.pphosted.com (8.16.0.42/8.16.0.42) with SMTP id 02B8dgfO004402; Wed, 11 Mar 2020 04:40:40 -0400 Received: from nwd2mta3.analog.com ([137.71.173.56]) by mx0a-00128a01.pphosted.com with ESMTP id 2yp9x3bwfv-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Wed, 11 Mar 2020 04:40:40 -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 02B8edhk032271 (version=TLSv1/SSLv3 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=FAIL); Wed, 11 Mar 2020 04:40:39 -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_128_GCM_SHA256) id 15.1.1779.2; Wed, 11 Mar 2020 04:40:38 -0400 Received: from zeus.spd.analog.com (10.64.82.11) by ASHBMBX8.ad.analog.com (10.64.17.5) with Microsoft SMTP Server id 15.1.1779.2 via Frontend Transport; Wed, 11 Mar 2020 04:40:38 -0400 Received: from ben-Latitude-E6540.ad.analog.com ([10.48.65.231]) by zeus.spd.analog.com (8.15.1/8.15.1) with ESMTP id 02B8eSGJ028151; Wed, 11 Mar 2020 04:40:35 -0400 From: Beniamin Bia To: CC: , , , , , , Dragos Bogdan , Beniamin Bia Subject: [PATCH 2/4] iio: adc: ad7476: Add IIO_CHAN_INFO_RAW for AD7091R Date: Wed, 11 Mar 2020 10:43:26 +0200 Message-ID: <20200311084328.17680-2-beniamin.bia@analog.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20200311084328.17680-1-beniamin.bia@analog.com> References: <20200311084328.17680-1-beniamin.bia@analog.com> MIME-Version: 1.0 Content-Type: text/plain X-ADIRoutedOnPrem: True X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.138,18.0.572 definitions=2020-03-11_02:2020-03-10,2020-03-11 signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 suspectscore=1 adultscore=0 mlxlogscore=999 phishscore=0 impostorscore=0 mlxscore=0 lowpriorityscore=0 bulkscore=0 clxscore=1011 spamscore=0 malwarescore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2001150001 definitions=main-2003110056 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Dragos Bogdan When CONVST signal is generated internally, IIO_CHAN_INFO_RAW can be made available for AD7091R for single reads. This patch enables it and makes supporting more devices by this driver easier. Signed-off-by: Dragos Bogdan Signed-off-by: Beniamin Bia --- drivers/iio/adc/ad7476.c | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/drivers/iio/adc/ad7476.c b/drivers/iio/adc/ad7476.c index 32e857dfec9c..3b48073dd62d 100644 --- a/drivers/iio/adc/ad7476.c +++ b/drivers/iio/adc/ad7476.c @@ -29,6 +29,8 @@ struct ad7476_state; struct ad7476_chip_info { unsigned int int_vref_uv; struct iio_chan_spec channel[2]; + /* channels used when convst gpio is defined */ + struct iio_chan_spec convst_channel[2]; void (*reset)(struct ad7476_state *); }; @@ -109,6 +111,8 @@ static int ad7476_scan_direct(struct ad7476_state *st) { int ret; + ad7091_convst(st); + ret = spi_sync(st->spi, &st->msg); if (ret) return ret; @@ -176,6 +180,8 @@ static int ad7476_read_raw(struct iio_dev *indio_dev, #define AD7940_CHAN(bits) _AD7476_CHAN((bits), 15 - (bits), \ BIT(IIO_CHAN_INFO_RAW)) #define AD7091R_CHAN(bits) _AD7476_CHAN((bits), 16 - (bits), 0) +#define AD7091R_CONVST_CHAN(bits) _AD7476_CHAN((bits), 16 - (bits), \ + BIT(IIO_CHAN_INFO_RAW)) #define ADS786X_CHAN(bits) _AD7476_CHAN((bits), 12 - (bits), \ BIT(IIO_CHAN_INFO_RAW)) @@ -183,6 +189,8 @@ static const struct ad7476_chip_info ad7476_chip_info_tbl[] = { [ID_AD7091R] = { .channel[0] = AD7091R_CHAN(12), .channel[1] = IIO_CHAN_SOFT_TIMESTAMP(1), + .convst_channel[0] = AD7091R_CONVST_CHAN(12), + .convst_channel[1] = IIO_CHAN_SOFT_TIMESTAMP(1), .reset = ad7091_reset, }, [ID_AD7276] = { @@ -288,6 +296,9 @@ static int ad7476_probe(struct spi_device *spi) indio_dev->channels = st->chip_info->channel; indio_dev->num_channels = 2; indio_dev->info = &ad7476_info; + + if (st->convst_gpio && st->chip_info->convst_channel) + indio_dev->channels = st->chip_info->convst_channel; /* Setup default message */ st->xfer.rx_buf = &st->data; -- 2.17.1