From 9d77db3c730780c8ef5ccd4b66403ff5675cfe4e Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Mon, 13 May 2024 10:30:14 +0000
Subject: [PATCH] modify sin led gpio
---
kernel/drivers/iio/afe/iio-rescale.c | 17 +++++++----------
1 files changed, 7 insertions(+), 10 deletions(-)
diff --git a/kernel/drivers/iio/afe/iio-rescale.c b/kernel/drivers/iio/afe/iio-rescale.c
index e9ceee6..3809f98 100644
--- a/kernel/drivers/iio/afe/iio-rescale.c
+++ b/kernel/drivers/iio/afe/iio-rescale.c
@@ -38,7 +38,7 @@
int *val, int *val2, long mask)
{
struct rescale *rescale = iio_priv(indio_dev);
- unsigned long long tmp;
+ s64 tmp;
int ret;
switch (mask) {
@@ -59,10 +59,10 @@
*val2 = rescale->denominator;
return IIO_VAL_FRACTIONAL;
case IIO_VAL_FRACTIONAL_LOG2:
- tmp = *val * 1000000000LL;
- do_div(tmp, rescale->denominator);
+ tmp = (s64)*val * 1000000000LL;
+ tmp = div_s64(tmp, rescale->denominator);
tmp *= rescale->numerator;
- do_div(tmp, 1000000000LL);
+ tmp = div_s64(tmp, 1000000000LL);
*val = tmp;
return ret;
default:
@@ -276,11 +276,9 @@
int ret;
source = devm_iio_channel_get(dev, NULL);
- if (IS_ERR(source)) {
- if (PTR_ERR(source) != -EPROBE_DEFER)
- dev_err(dev, "failed to get source channel\n");
- return PTR_ERR(source);
- }
+ if (IS_ERR(source))
+ return dev_err_probe(dev, PTR_ERR(source),
+ "failed to get source channel\n");
sizeof_ext_info = iio_get_channel_ext_info_count(source);
if (sizeof_ext_info) {
@@ -314,7 +312,6 @@
rescale->source = source;
indio_dev->name = dev_name(dev);
- indio_dev->dev.parent = dev;
indio_dev->info = &rescale_info;
indio_dev->modes = INDIO_DIRECT_MODE;
indio_dev->channels = &rescale->chan;
--
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