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authorJishnu Prakash <jprakash@codeaurora.org>2020-05-28 22:24:27 +0530
committerJonathan Cameron <Jonathan.Cameron@huawei.com>2020-06-14 11:49:22 +0100
commit35fbb7f00d3207612a1eb86ebcbe788b8efc999e (patch)
treecd8a2aab15ca6365e0aaa6fc99388bc930ce72d5 /drivers/iio/adc/qcom-spmi-adc5.c
parent082111e559055de66da41303b15958c494c1b984 (diff)
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iio: adc: Update return value checks
Clean up some return value checks to make code more compact. Signed-off-by: Jishnu Prakash <jprakash@codeaurora.org> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Diffstat (limited to 'drivers/iio/adc/qcom-spmi-adc5.c')
-rw-r--r--drivers/iio/adc/qcom-spmi-adc5.c10
1 files changed, 4 insertions, 6 deletions
diff --git a/drivers/iio/adc/qcom-spmi-adc5.c b/drivers/iio/adc/qcom-spmi-adc5.c
index dcc7599e0f70..302231310643 100644
--- a/drivers/iio/adc/qcom-spmi-adc5.c
+++ b/drivers/iio/adc/qcom-spmi-adc5.c
@@ -301,7 +301,7 @@ static int adc5_configure(struct adc5_chip *adc,
/* Read registers 0x42 through 0x46 */
ret = adc5_read(adc, ADC5_USR_DIG_PARAM, buf, sizeof(buf));
- if (ret < 0)
+ if (ret)
return ret;
/* Digital param selection */
@@ -388,7 +388,7 @@ static int adc5_do_conversion(struct adc5_chip *adc,
if (adc->poll_eoc) {
ret = adc5_poll_wait_eoc(adc);
- if (ret < 0) {
+ if (ret) {
pr_err("EOC bit not set\n");
goto unlock;
}
@@ -398,7 +398,7 @@ static int adc5_do_conversion(struct adc5_chip *adc,
if (!ret) {
pr_debug("Did not get completion timeout.\n");
ret = adc5_poll_wait_eoc(adc);
- if (ret < 0) {
+ if (ret) {
pr_err("EOC bit not set\n");
goto unlock;
}
@@ -516,8 +516,6 @@ static int adc5_read_raw(struct iio_dev *indio_dev,
default:
return -EINVAL;
}
-
- return 0;
}
static int adc7_read_raw(struct iio_dev *indio_dev,
@@ -761,7 +759,7 @@ static int adc5_get_dt_channel_data(struct adc5_chip *adc,
ret = adc5_read(adc, ADC5_USR_REVISION1, dig_version,
sizeof(dig_version));
- if (ret < 0) {
+ if (ret) {
dev_err(dev, "Invalid dig version read %d\n", ret);
return ret;
}