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path: root/drivers/iio/chemical/sps30.c
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-rw-r--r--drivers/iio/chemical/sps30.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/iio/chemical/sps30.c b/drivers/iio/chemical/sps30.c
index edbb956e81e8..acb9f8ecbb3d 100644
--- a/drivers/iio/chemical/sps30.c
+++ b/drivers/iio/chemical/sps30.c
@@ -117,7 +117,7 @@ static int sps30_do_cmd(struct sps30_state *state, u16 cmd, u8 *data, int size)
break;
case SPS30_READ_AUTO_CLEANING_PERIOD:
buf[0] = SPS30_AUTO_CLEANING_PERIOD >> 8;
- buf[1] = (u8)SPS30_AUTO_CLEANING_PERIOD;
+ buf[1] = (u8)(SPS30_AUTO_CLEANING_PERIOD & 0xff);
/* fall through */
case SPS30_READ_DATA_READY_FLAG:
case SPS30_READ_DATA: