staging: iio: tsl2583: fix comparison between signed and unsigned integers

Fixed warning found by make W=2:

warning: comparison between signed and unsigned integer expressions
[-Wsign-compare]

Signed-off-by: Brian Masney <masneyb@onstation.org>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>

diff --git a/drivers/staging/iio/light/tsl2583.c b/drivers/staging/iio/light/tsl2583.c
index 7e4347a1235e89c7ca0d6306dfdef5072c77b107..3e4e2151572ab7df38e59781d87cc72012fced18 100644 (file)
--- a/drivers/staging/iio/light/tsl2583.c
+++ b/drivers/staging/iio/light/tsl2583.c
@@ -510,7 +510,7 @@ static ssize_t in_illuminance_lux_table_show(struct device *dev,
                                             struct device_attribute *attr,
                                             char *buf)
 {
-       int i;
+       unsigned int i;
        int offset = 0;
 
        for (i = 0; i < ARRAY_SIZE(tsl2583_device_lux); i++) {
@@ -541,7 +541,8 @@ static ssize_t in_illuminance_lux_table_store(struct device *dev,
        struct iio_dev *indio_dev = dev_to_iio_dev(dev);
        struct tsl2583_chip *chip = iio_priv(indio_dev);
        int value[ARRAY_SIZE(tsl2583_device_lux) * 3 + 1];
-       int n, ret = -EINVAL;
+       int ret = -EINVAL;
+       unsigned int n;
 
        mutex_lock(&chip->als_mutex);
 
@@ -719,7 +720,7 @@ static int tsl2583_write_raw(struct iio_dev *indio_dev,
                break;
        case IIO_CHAN_INFO_CALIBSCALE:
                if (chan->type == IIO_LIGHT) {
-                       int i;
+                       unsigned int i;
 
                        for (i = 0; i < ARRAY_SIZE(gainadj); i++) {
                                if (gainadj[i].mean == val) {