mutex_lock(&data->update_lock);
if (time_after(jiffies, data->last_updated + HZ) || !data->valid) {
- data->speed = i2c_smbus_read_byte_data(client,
- MAX6650_REG_SPEED);
- data->config = i2c_smbus_read_byte_data(client,
- MAX6650_REG_CONFIG);
for (i = 0; i < data->nr_fans; i++) {
data->tach[i] = i2c_smbus_read_byte_data(client,
tach_reg[i]);
}
- data->count = i2c_smbus_read_byte_data(client,
- MAX6650_REG_COUNT);
- data->dac = i2c_smbus_read_byte_data(client, MAX6650_REG_DAC);
/*
* Alarms are cleared on read in case the condition that
dev_err(dev, "Config write error, aborting.\n");
return err;
}
-
data->config = reg;
+
+ reg = i2c_smbus_read_byte_data(client, MAX6650_REG_SPEED);
+ if (reg < 0) {
+ dev_err(dev, "Failed to read speed register, aborting.\n");
+ return reg;
+ }
+ data->speed = reg;
+
+ reg = i2c_smbus_read_byte_data(client, MAX6650_REG_DAC);
+ if (reg < 0) {
+ dev_err(dev, "Failed to read DAC register, aborting.\n");
+ return reg;
+ }
+ data->dac = reg;
+
reg = i2c_smbus_read_byte_data(client, MAX6650_REG_COUNT);
if (reg < 0) {
dev_err(dev, "Failed to read count register, aborting.\n");