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iio: consumers: Fix offset handling in iio_convert_raw_to_processed()

Fix iio_convert_raw_to_processed() offset handling for channels without
a scale attribute.

The offset has been applied to the raw64 value not to the original raw
value. Use the raw64 value so that the offset is taken into account.

Fixes: 14b457fdde38 ("iio: inkern: apply consumer scale when no channel scale is available")
Cc: Liam Beguin <liambeguin@gmail.com>
Reviewed-by: Andy Shevchenko <andy@kernel.org>
Signed-off-by: Hans de Goede <hansg@kernel.org>
Link: https://patch.msgid.link/20250831104825.15097-3-hansg@kernel.org
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

authored by

Hans de Goede and committed by
Jonathan Cameron 33f5c69c 0f85406b

+1 -1
+1 -1
drivers/iio/inkern.c
··· 640 640 * If no channel scaling is available apply consumer scale to 641 641 * raw value and return. 642 642 */ 643 - *processed = raw * scale; 643 + *processed = raw64 * scale; 644 644 return 0; 645 645 } 646 646