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Thu, 16 May 2019 07:32:03 -0700 Received: from ben-Latitude-E6540.analog.com (10.50.1.133) by NWD2HUBCAS7.ad.analog.com (10.64.69.107) with Microsoft SMTP Server id 14.3.408.0; Thu, 16 May 2019 10:32:03 -0400 From: Beniamin Bia To: CC: , , , , , , , , , , , , Beniamin Bia Subject: [PATCH 5/5] iio: adc: ad7606: Add debug mode for ad7616 Date: Thu, 16 May 2019 17:32:08 +0300 Message-ID: <20190516143208.19294-5-beniamin.bia@analog.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20190516143208.19294-1-beniamin.bia@analog.com> References: <20190516143208.19294-1-beniamin.bia@analog.com> MIME-Version: 1.0 X-ADIRoutedOnPrem: True X-EOPAttributedMessage: 0 X-MS-Office365-Filtering-HT: Tenant X-Forefront-Antispam-Report: CIP:137.71.25.55;IPV:NLI;CTRY:US;EFV:NLI;SFV:NSPM;SFS:(10009020)(396003)(39860400002)(346002)(376002)(136003)(2980300002)(189003)(199004)(77096007)(36756003)(186003)(7416002)(48376002)(26005)(50466002)(47776003)(476003)(8936002)(246002)(126002)(2616005)(2906002)(44832011)(1076003)(8676002)(486006)(7636002)(11346002)(305945005)(53416004)(6916009)(426003)(356004)(446003)(50226002)(336012)(5660300002)(2351001)(76176011)(14444005)(51416003)(7696005)(107886003)(70206006)(70586007)(316002)(4326008)(54906003)(106002)(86362001)(478600001)(16586007)(72206003);DIR:OUT;SFP:1101;SCL:1;SRVR:BL2PR03MB545;H:nwd2mta1.analog.com;FPR:;SPF:Pass;LANG:en;PTR:nwd2mail10.analog.com;MX:1;A:1; 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Signed-off-by: Beniamin Bia Acked-by: Jonathan Cameron --- drivers/iio/adc/ad7606.c | 25 +++++++++++++++++++++++++ 1 file changed, 25 insertions(+) diff --git a/drivers/iio/adc/ad7606.c b/drivers/iio/adc/ad7606.c index f77df3efe43f..b03bdce4fd4e 100644 --- a/drivers/iio/adc/ad7606.c +++ b/drivers/iio/adc/ad7606.c @@ -134,6 +134,30 @@ static int ad7606_spi_write_mask(struct ad7606_state *st, return ad7606_spi_reg_write(st, addr, readval); } +static int ad7606_reg_access(struct iio_dev *indio_dev, + unsigned int reg, + unsigned int writeval, + unsigned int *readval) +{ + struct ad7606_state *st = iio_priv(indio_dev); + int ret; + + mutex_lock(&st->lock); + if (readval) { + ret = ad7606_spi_reg_read(st, reg); + if (ret < 0) + goto err_unlock; + *readval = ret; + ret = 0; + } else { + ret = ad7606_spi_reg_write(st, reg, writeval); + } +err_unlock: + mutex_unlock(&st->lock); + + return ret; +} + static int ad7606_read_samples(struct ad7606_state *st) { unsigned int num = st->chip_info->num_channels; @@ -645,6 +669,7 @@ static const struct iio_info ad7606_info_no_os_or_range = { static const struct iio_info ad7606_info_os_and_range = { .read_raw = &ad7606_read_raw, .write_raw = &ad7606_write_raw, + .debugfs_reg_access = &ad7606_reg_access, .attrs = &ad7606_attribute_group_os_and_range, .validate_trigger = &ad7606_validate_trigger, };