return reg / 8 * 625 / 10;
}
-static inline s16 TEMP_TO_REG(int val)
+static inline s16 TEMP_TO_REG(long val)
{
- if (val <= -60000)
- return -60000 * 10 / 625 * 8;
- if (val >= 160000)
- return 160000 * 10 / 625 * 8;
+ val = clamp_val(val, -60000, 160000);
return val * 10 / 625 * 8;
}
if (time_after(jiffies, data->last_updated + HZ)
|| !data->valid) {
dev_dbg(&client->dev, "Updating lm92 data\n");
- data->temp1_input = swab16(i2c_smbus_read_word_data(client,
- LM92_REG_TEMP));
- data->temp1_hyst = swab16(i2c_smbus_read_word_data(client,
- LM92_REG_TEMP_HYST));
- data->temp1_crit = swab16(i2c_smbus_read_word_data(client,
- LM92_REG_TEMP_CRIT));
- data->temp1_min = swab16(i2c_smbus_read_word_data(client,
- LM92_REG_TEMP_LOW));
- data->temp1_max = swab16(i2c_smbus_read_word_data(client,
- LM92_REG_TEMP_HIGH));
+ data->temp1_input = i2c_smbus_read_word_swapped(client,
+ LM92_REG_TEMP);
+ data->temp1_hyst = i2c_smbus_read_word_swapped(client,
+ LM92_REG_TEMP_HYST);
+ data->temp1_crit = i2c_smbus_read_word_swapped(client,
+ LM92_REG_TEMP_CRIT);
+ data->temp1_min = i2c_smbus_read_word_swapped(client,
+ LM92_REG_TEMP_LOW);
+ data->temp1_max = i2c_smbus_read_word_swapped(client,
+ LM92_REG_TEMP_HIGH);
data->last_updated = jiffies;
data->valid = 1;
\
mutex_lock(&data->update_lock); \
data->value = TEMP_TO_REG(val); \
- i2c_smbus_write_word_data(client, reg, swab16(data->value)); \
+ i2c_smbus_write_word_swapped(client, reg, data->value); \
mutex_unlock(&data->update_lock); \
return count; \
}
struct lm92_data *data = i2c_get_clientdata(client);
long val = simple_strtol(buf, NULL, 10);
+ val = clamp_val(val, -120000, 220000);
mutex_lock(&data->update_lock);
- data->temp1_hyst = TEMP_FROM_REG(data->temp1_crit) - val;
- i2c_smbus_write_word_data(client, LM92_REG_TEMP_HYST,
- swab16(TEMP_TO_REG(data->temp1_hyst)));
+ data->temp1_hyst =
+ TEMP_TO_REG(TEMP_FROM_REG(data->temp1_crit) - val);
+ i2c_smbus_write_word_swapped(client, LM92_REG_TEMP_HYST,
+ data->temp1_hyst);
mutex_unlock(&data->update_lock);
return count;
}