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From: Sasha Levin <sashal@kernel.org>
To: linux-kernel@vger.kernel.org, stable@vger.kernel.org
Cc: Stefan Agner <stefan@agner.ch>,
	Jonathan Cameron <Jonathan.Cameron@huawei.com>,
	Sasha Levin <sashal@kernel.org>,
	linux-iio@vger.kernel.org, clang-built-linux@googlegroups.com
Subject: [PATCH AUTOSEL 4.14 001/103] iio: adc: max9611: explicitly cast gain_selectors
Date: Fri,  8 Nov 2019 06:41:26 -0500	[thread overview]
Message-ID: <20191108114310.14363-1-sashal@kernel.org> (raw)

From: Stefan Agner <stefan@agner.ch>

[ Upstream commit b1ec0802503820ccbc894aadfd2a44da20232f5e ]

After finding a reasonable gain, the function converts the configured
gain to a gain configuration option selector enum max9611_csa_gain.
Make the conversion clearly visible by using an explicit cast. This
also avoids a warning seen with clang:
  drivers/iio/adc/max9611.c:292:16: warning: implicit conversion from
      enumeration type 'enum max9611_conf_ids' to different enumeration
      type 'enum max9611_csa_gain' [-Wenum-conversion]
                        *csa_gain = gain_selectors[i];
                                  ~ ^~~~~~~~~~~~~~~~~

Signed-off-by: Stefan Agner <stefan@agner.ch>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/iio/adc/max9611.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/iio/adc/max9611.c b/drivers/iio/adc/max9611.c
index c61fbf5602718..33be07c78b96f 100644
--- a/drivers/iio/adc/max9611.c
+++ b/drivers/iio/adc/max9611.c
@@ -289,7 +289,7 @@ static int max9611_read_csa_voltage(struct max9611_dev *max9611,
 			return ret;
 
 		if (*adc_raw > 0) {
-			*csa_gain = gain_selectors[i];
+			*csa_gain = (enum max9611_csa_gain)gain_selectors[i];
 			return 0;
 		}
 	}
-- 
2.20.1


             reply	other threads:[~2019-11-08 11:43 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-11-08 11:41 Sasha Levin [this message]
2019-11-08 11:41 ` [PATCH AUTOSEL 4.14 004/103] iio: dac: mcp4922: fix error handling in mcp4922_write_raw Sasha Levin

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