Message ID | 20230921141947.57784-6-dlechner@baylibre.com |
---|---|
State | Accepted |
Commit | c78a96ab0f52a12b344882241019dd9070aa988c |
Headers | show |
Series | iio: resolver: move ad2s1210 out of staging | expand |
diff --git a/drivers/staging/iio/resolver/ad2s1210.c b/drivers/staging/iio/resolver/ad2s1210.c index 06de5823eb8e..84743e31261a 100644 --- a/drivers/staging/iio/resolver/ad2s1210.c +++ b/drivers/staging/iio/resolver/ad2s1210.c @@ -393,7 +393,7 @@ static ssize_t ad2s1210_show_fault(struct device *dev, ret = ad2s1210_config_read(st, AD2S1210_REG_FAULT); mutex_unlock(&st->lock); - return ret ? ret : sprintf(buf, "0x%x\n", ret); + return (ret < 0) ? ret : sprintf(buf, "0x%02x\n", ret); } static ssize_t ad2s1210_clear_fault(struct device *dev,
When reading the fault attribute, an empty string was printed if the fault register value was non-zero. This is fixed by checking that the return value is less than zero instead of not zero. Also always print two hex digits while we are touching this line. Signed-off-by: David Lechner <dlechner@baylibre.com> --- drivers/staging/iio/resolver/ad2s1210.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)