From: Liam Beguin Date: Sat, 8 Jan 2022 20:53:04 +0000 (-0500) Subject: iio: inkern: apply consumer scale on IIO_VAL_INT cases X-Git-Tag: v6.6.17~7878^2~55^2~181 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=1bca97ff95c732a516ebb68da72814194980e0a5;p=platform%2Fkernel%2Flinux-rpi.git iio: inkern: apply consumer scale on IIO_VAL_INT cases When a consumer calls iio_read_channel_processed() and the channel has an integer scale, the scale channel scale is applied and the processed value is returned as expected. On the other hand, if the consumer calls iio_convert_raw_to_processed() the scaling factor requested by the consumer is not applied. This for example causes the consumer to process mV when expecting uV. Make sure to always apply the scaling factor requested by the consumer. Fixes: 48e44ce0f881 ("iio:inkern: Add function to read the processed value") Signed-off-by: Liam Beguin Reviewed-by: Peter Rosin Reviewed-by: Andy Shevchenko Link: https://lore.kernel.org/r/20220108205319.2046348-2-liambeguin@gmail.com Cc: Signed-off-by: Jonathan Cameron --- diff --git a/drivers/iio/inkern.c b/drivers/iio/inkern.c index 0222885..021e139 100644 --- a/drivers/iio/inkern.c +++ b/drivers/iio/inkern.c @@ -616,7 +616,7 @@ static int iio_convert_raw_to_processed_unlocked(struct iio_channel *chan, switch (scale_type) { case IIO_VAL_INT: - *processed = raw64 * scale_val; + *processed = raw64 * scale_val * scale; break; case IIO_VAL_INT_PLUS_MICRO: if (scale_val2 < 0)