[PATCH 4.19 120/139] iio: chemical: bme680: Fix calibration data variable

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4.19-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Vasileios Amoiridis <vassilisamir@xxxxxxxxx>

commit b47c0fee73a810c4503c4a94ea34858a1d865bba upstream.

According to the BME68x Sensor API [1], the h6 calibration
data variable should be an unsigned integer of size 8.

[1]: https://github.com/boschsensortec/BME68x_SensorAPI/blob/v4.4.8/bme68x_defs.h#L789

Fixes: 1b3bd8592780 ("iio: chemical: Add support for Bosch BME680 sensor")
Signed-off-by: Vasileios Amoiridis <vassilisamir@xxxxxxxxx>
Link: https://lore.kernel.org/r/20240606212313.207550-3-vassilisamir@xxxxxxxxx
Cc: <Stable@xxxxxxxxxxxxxxx>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@xxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
 drivers/iio/chemical/bme680_core.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/iio/chemical/bme680_core.c
+++ b/drivers/iio/chemical/bme680_core.c
@@ -38,7 +38,7 @@ struct bme680_calib {
 	s8  par_h3;
 	s8  par_h4;
 	s8  par_h5;
-	s8  par_h6;
+	u8  par_h6;
 	s8  par_h7;
 	s8  par_gh1;
 	s16 par_gh2;






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