6.6-stable review patch. If anyone has any objections, please let me know.
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From: David Lechner dlechner@baylibre.com
commit bd886cdcbf9e746f61c74035a3acd42e9108e115 upstream.
Use correct argument to iio_str_to_fixpoint() to parse 3 decimal places.
iio_str_to_fixpoint() has a bit of an unintuitive API where the fract_mult parameter is the multiplier of the first decimal place as if it was already an integer. So to get 3 decimal places, fract_mult must be 100 rather than 1000.
Fixes: 96ccdbc07a74 ("staging:iio:adc:ad7280a: Standardize extended ABI naming") Signed-off-by: David Lechner dlechner@baylibre.com Reviewed-by: Nuno Sá nuno.sa@analog.com Cc: Stable@vger.kernel.org Signed-off-by: Jonathan Cameron Jonathan.Cameron@huawei.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- drivers/iio/adc/ad7280a.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/iio/adc/ad7280a.c +++ b/drivers/iio/adc/ad7280a.c @@ -540,7 +540,7 @@ static ssize_t ad7280_store_balance_time int val, val2; int ret;
- ret = iio_str_to_fixpoint(buf, 1000, &val, &val2); + ret = iio_str_to_fixpoint(buf, 100, &val, &val2); if (ret) return ret;