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authorMatt Ranostay <mranostay@gmail.com>2016-02-27 07:13:49 +0100
committerJonathan Cameron <jic23@kernel.org>2016-02-27 18:17:43 +0100
commitf8d9d3b434cd50f7a0a3f0c383736af5e724c34c (patch)
tree2c37b391817a6940c43a2b9c2d75dee0e23cb1b9 /drivers/iio/potentiometer
parentiio: imu: mpu6050: add mpu6500 register settings (diff)
downloadlinux-f8d9d3b434cd50f7a0a3f0c383736af5e724c34c.tar.xz
linux-f8d9d3b434cd50f7a0a3f0c383736af5e724c34c.zip
iio: convert to common i2c_check_functionality() return value
Previously most drivers that used a i2c_check_functionality() check condition required various error codes on failure. This patchset converts to a standard of -EOPNOTSUPP Signed-off-by: Matt Ranostay <mranostay@gmail.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Diffstat (limited to 'drivers/iio/potentiometer')
-rw-r--r--drivers/iio/potentiometer/mcp4531.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/iio/potentiometer/mcp4531.c b/drivers/iio/potentiometer/mcp4531.c
index a3f66874ee2e..0db67fe14766 100644
--- a/drivers/iio/potentiometer/mcp4531.c
+++ b/drivers/iio/potentiometer/mcp4531.c
@@ -159,7 +159,7 @@ static int mcp4531_probe(struct i2c_client *client,
if (!i2c_check_functionality(client->adapter,
I2C_FUNC_SMBUS_WORD_DATA)) {
dev_err(dev, "SMBUS Word Data not supported\n");
- return -EIO;
+ return -EOPNOTSUPP;
}
indio_dev = devm_iio_device_alloc(dev, sizeof(*data));