[PATCH V7 5/7] iio: adc: Update return value checks

Jishnu Prakash
2020-06-23T07:31:28Z

Clean up some return value checks to make code more compact.

Signed-off-by: Jishnu Prakash <jprakash@codeaurora.org>
---
drivers/iio/adc/qcom-spmi-adc5.c | 10 ++++------
1 file changed, 4 insertions(+), 6 deletions(-)

diff --git a/drivers/iio/adc/qcom-spmi-adc5.c b/drivers/iio/adc/qcom-spmi-adc5.c
index dcc7599..3022313 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;
}