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Commit c62b89c7 authored by Lars-Peter Clausen's avatar Lars-Peter Clausen Committed by Jonathan Cameron
Browse files

staging:iio:adxrs450: Perform sign extension for the calibbias register 



The calibbias (DNC) register contains a 10-bit twos complement value. Perform a
proper sign extension when reading the register, otherwise negative will
incorrectly be displayed as large positive values.

Signed-off-by: default avatarLars-Peter Clausen <lars@metafoo.de>
Signed-off-by: default avatarJonathan Cameron <jic23@kernel.org>
parent 1a87e4fb

drivers/staging/iio/gyro/adxrs450_core.c

+1 −1
Original line number Diff line number Diff line
@@ -326,7 +326,7 @@ static int adxrs450_read_raw(struct iio_dev *indio_dev, 
		ret = adxrs450_spi_read_reg_16(indio_dev, ADXRS450_DNC1, &t);

		if (ret)

			break;

		*val = t;

		*val = sign_extend32(t, 9);

		ret = IIO_VAL_INT;

		break;

	default: