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path: root/drivers/iio/industrialio-core.c
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-rw-r--r--drivers/iio/industrialio-core.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/iio/industrialio-core.c b/drivers/iio/industrialio-core.c
index 6eb24dbc081e..37650a72b31f 100644
--- a/drivers/iio/industrialio-core.c
+++ b/drivers/iio/industrialio-core.c
@@ -397,6 +397,11 @@ static ssize_t iio_read_channel_info(struct device *dev,
val2 = do_div(tmp, 1000000000LL);
val = tmp;
return sprintf(buf, "%d.%09u\n", val, val2);
+ case IIO_VAL_FRACTIONAL_LOG2:
+ tmp = (s64)val * 1000000000LL >> val2;
+ val2 = do_div(tmp, 1000000000LL);
+ val = tmp;
+ return sprintf(buf, "%d.%09u\n", val, val2);
default:
return 0;
}