From: Petre Rodan petre.rodan@subdimension.ro
[ Upstream commit 9e65506ca9c7ff716c8441a33417820ad61d3a16 ]
Fix off-by-one error in transfer-function property. The honeywell,transfer-function property takes values between 1-3 so make sure the proper enum gets used.
Fixes: 713337d9143ed ("iio: pressure: Honeywell mprls0025pa pressure sensor") Co-developed-by: Andreas Klinger ak@it-klinger.de Signed-off-by: Andreas Klinger ak@it-klinger.de Signed-off-by: Petre Rodan petre.rodan@subdimension.ro Link: https://lore.kernel.org/r/20231229092445.30180-5-petre.rodan@subdimension.ro Signed-off-by: Jonathan Cameron Jonathan.Cameron@huawei.com Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/iio/pressure/mprls0025pa.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/iio/pressure/mprls0025pa.c b/drivers/iio/pressure/mprls0025pa.c index 30fb2de368210..e3f0de020a40c 100644 --- a/drivers/iio/pressure/mprls0025pa.c +++ b/drivers/iio/pressure/mprls0025pa.c @@ -323,6 +323,7 @@ static int mpr_probe(struct i2c_client *client) struct iio_dev *indio_dev; struct device *dev = &client->dev; s64 scale, offset; + u32 func;
if (!i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_READ_BYTE)) return dev_err_probe(dev, -EOPNOTSUPP, @@ -362,10 +363,11 @@ static int mpr_probe(struct i2c_client *client) return dev_err_probe(dev, ret, "honeywell,pmax-pascal could not be read\n"); ret = device_property_read_u32(dev, - "honeywell,transfer-function", &data->function); + "honeywell,transfer-function", &func); if (ret) return dev_err_probe(dev, ret, "honeywell,transfer-function could not be read\n"); + data->function = func - 1; if (data->function > MPR_FUNCTION_C) return dev_err_probe(dev, -EINVAL, "honeywell,transfer-function %d invalid\n",