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Mon, 27 May 2019 08:56:53 -0400 From: Beniamin Bia To: CC: , , , , , , , , , , , , Beniamin Bia Subject: [PATCH v2 4/4] iio: adc: ad7606: Add debug mode for ad7616 Date: Mon, 27 May 2019 15:56:50 +0300 Message-ID: <20190527125650.2405-4-beniamin.bia@analog.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20190527125650.2405-1-beniamin.bia@analog.com> References: <20190527125650.2405-1-beniamin.bia@analog.com> MIME-Version: 1.0 Content-Type: text/plain X-ADIRoutedOnPrem: True X-EOPAttributedMessage: 0 X-MS-Office365-Filtering-HT: Tenant X-Forefront-Antispam-Report: CIP:137.71.25.57;IPV:NLI;CTRY:US;EFV:NLI;SFV:NSPM;SFS:(10009020)(136003)(376002)(39860400002)(346002)(396003)(2980300002)(199004)(189003)(70586007)(1076003)(186003)(77096007)(50466002)(6916009)(70206006)(305945005)(2906002)(246002)(2351001)(106002)(48376002)(54906003)(86362001)(50226002)(8676002)(47776003)(8936002)(26005)(7636002)(478600001)(7416002)(72206003)(336012)(476003)(44832011)(14444005)(5660300002)(107886003)(36756003)(4326008)(76176011)(51416003)(7696005)(356004)(53416004)(426003)(446003)(316002)(16586007)(2616005)(126002)(486006)(11346002);DIR:OUT;SFP:1101;SCL:1;SRVR:SN2PR03MB2270;H:nwd2mta2.analog.com;FPR:;SPF:Pass;LANG:en;PTR:nwd2mail11.analog.com;A:1;MX:1; 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Signed-off-by: Beniamin Bia Acked-by: Jonathan Cameron --- Changes in v2: -nothing changed 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 8e09ad4bb72e..0eccfc873802 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, }; -- 2.17.1