5.4-stable review patch. If anyone has any objections, please let me know.
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From: Zhang Lixu lixu.zhang@intel.com
[ Upstream commit 79dabbd505210e41c88060806c92c052496dd61c ]
The OFFSET calculation in the prox_read_raw() was incorrectly using the unit exponent, which is intended for SCALE calculations.
Remove the incorrect OFFSET calculation and set it to a fixed value of 0.
Cc: stable@vger.kernel.org Fixes: 39a3a0138f61 ("iio: hid-sensors: Added Proximity Sensor Driver") Signed-off-by: Zhang Lixu lixu.zhang@intel.com Acked-by: Srinivas Pandruvada srinivas.pandruvada@linux.intel.com Link: https://patch.msgid.link/20250331055022.1149736-4-lixu.zhang@intel.com Signed-off-by: Jonathan Cameron Jonathan.Cameron@huawei.com [ adapted prox_attr array access to single structure member access ] Signed-off-by: Sasha Levin sashal@kernel.org Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- drivers/iio/light/hid-sensor-prox.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-)
--- a/drivers/iio/light/hid-sensor-prox.c +++ b/drivers/iio/light/hid-sensor-prox.c @@ -103,8 +103,7 @@ static int prox_read_raw(struct iio_dev ret_type = prox_state->scale_precision; break; case IIO_CHAN_INFO_OFFSET: - *val = hid_sensor_convert_exponent( - prox_state->prox_attr.unit_expo); + *val = 0; ret_type = IIO_VAL_INT; break; case IIO_CHAN_INFO_SAMP_FREQ: