diff options
Diffstat (limited to 'drivers/hwmon/adt7475.c')
| -rw-r--r-- | drivers/hwmon/adt7475.c | 34 |
1 files changed, 3 insertions, 31 deletions
diff --git a/drivers/hwmon/adt7475.c b/drivers/hwmon/adt7475.c index c803e3c5fcd4..ec0c43fbcdce 100644 --- a/drivers/hwmon/adt7475.c +++ b/drivers/hwmon/adt7475.c @@ -22,6 +22,7 @@ #include <linux/hwmon-vid.h> #include <linux/err.h> #include <linux/jiffies.h> +#include <linux/util_macros.h> /* Indexes for the sysfs hooks */ @@ -314,35 +315,6 @@ static void adt7475_write_word(struct i2c_client *client, int reg, u16 val) i2c_smbus_write_byte_data(client, reg, val & 0xFF); } -/* - * Find the nearest value in a table - used for pwm frequency and - * auto temp range - */ -static int find_nearest(long val, const int *array, int size) -{ - int i; - - if (val < array[0]) - return 0; - - if (val > array[size - 1]) - return size - 1; - - for (i = 0; i < size - 1; i++) { - int a, b; - - if (val > array[i + 1]) - continue; - - a = val - array[i]; - b = array[i + 1] - val; - - return (a <= b) ? i : i + 1; - } - - return 0; -} - static ssize_t show_voltage(struct device *dev, struct device_attribute *attr, char *buf) { @@ -606,7 +578,7 @@ static ssize_t set_point2(struct device *dev, struct device_attribute *attr, val -= temp; /* Find the nearest table entry to what the user wrote */ - val = find_nearest(val, autorange_table, ARRAY_SIZE(autorange_table)); + val = find_closest(val, autorange_table, ARRAY_SIZE(autorange_table)); data->range[sattr->index] &= ~0xF0; data->range[sattr->index] |= val << 4; @@ -864,7 +836,7 @@ static ssize_t set_pwmfreq(struct device *dev, struct device_attribute *attr, if (kstrtol(buf, 10, &val)) return -EINVAL; - out = find_nearest(val, pwmfreq_table, ARRAY_SIZE(pwmfreq_table)); + out = find_closest(val, pwmfreq_table, ARRAY_SIZE(pwmfreq_table)); mutex_lock(&data->lock); |