summaryrefslogtreecommitdiffstats
path: root/drivers/hwmon/max1619.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/hwmon/max1619.c')
-rw-r--r--drivers/hwmon/max1619.c17
1 files changed, 12 insertions, 5 deletions
diff --git a/drivers/hwmon/max1619.c b/drivers/hwmon/max1619.c
index 1ab1cacad598..7897754f3a5c 100644
--- a/drivers/hwmon/max1619.c
+++ b/drivers/hwmon/max1619.c
@@ -69,11 +69,18 @@ I2C_CLIENT_INSMOD_1(max1619);
#define MAX1619_REG_W_TCRIT_HYST 0x13
/*
- * Conversions and various macros
+ * Conversions
*/
-#define TEMP_FROM_REG(val) ((val & 0x80 ? val-0x100 : val) * 1000)
-#define TEMP_TO_REG(val) ((val < 0 ? val+0x100*1000 : val) / 1000)
+static int temp_from_reg(int val)
+{
+ return (val & 0x80 ? val-0x100 : val) * 1000;
+}
+
+static int temp_to_reg(int val)
+{
+ return (val < 0 ? val+0x100*1000 : val) / 1000;
+}
/*
* Functions declaration
@@ -135,7 +142,7 @@ struct max1619_data {
static ssize_t show_##value(struct device *dev, struct device_attribute *attr, char *buf) \
{ \
struct max1619_data *data = max1619_update_device(dev); \
- return sprintf(buf, "%d\n", TEMP_FROM_REG(data->value)); \
+ return sprintf(buf, "%d\n", temp_from_reg(data->value)); \
}
show_temp(temp_input1);
show_temp(temp_input2);
@@ -153,7 +160,7 @@ static ssize_t set_##value(struct device *dev, struct device_attribute *attr, co
long val = simple_strtol(buf, NULL, 10); \
\
mutex_lock(&data->update_lock); \
- data->value = TEMP_TO_REG(val); \
+ data->value = temp_to_reg(val); \
i2c_smbus_write_byte_data(client, reg, data->value); \
mutex_unlock(&data->update_lock); \
return count; \