Merge branch 'hwmon-for-linus' of git://jdelvare.pck.nerim.net/jdelvare-2.6
* 'hwmon-for-linus' of git://jdelvare.pck.nerim.net/jdelvare-2.6: hwmon/w83793: Hide invalid VID readings hwmon/w83793: Fix the fan input detection hwmon/w83793: Ignore disabled temperature channels hwmon: Fix the VRD 11 decoding hwmon/w83793: Remove the description of AMDSI and update the voltage formula
This commit is contained in:
Linus Torvalds
Коммит
79d2628702
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@ -45,18 +45,14 @@ This driver implements support for Winbond W83793G/W83793R chips.
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temp5-6 have a 1 degree Celsiis resolution.
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* Temperature sensor types
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Temp1-4 have 3 possible types. It can be read from (and written to)
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Temp1-4 have 2 possible types. It can be read from (and written to)
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temp[1-4]_type.
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- If the value of 0, the related temperature channel stops
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monitoring.
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- If the value is 3, it starts monitoring using a remote termal diode
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(default).
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- If the value is 5, it starts monitoring using the temperature sensor
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in AMD CPU and get result by AMDSI.
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- If the value is 6, it starts monitoring using the temperature sensor
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in Intel CPU and get result by PECI.
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Temp5-6 can be connected to external thermistors (value of
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temp[5-6]_type is 4). They can also be disabled (value is 0).
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temp[5-6]_type is 4).
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* Alarm mechanism
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For voltage sensors, an alarm triggers if the measured value is below
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@ -93,7 +93,7 @@ int vid_from_reg(int val, u8 vrm)
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case 110: /* Intel Conroe */
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/* compute in uV, round to mV */
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val &= 0xff;
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if(((val & 0x7e) == 0xfe) || (!(val & 0x7e)))
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if (val < 0x02 || val > 0xb2)
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return 0;
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return((1600000 - (val - 2) * 6250 + 500) / 1000);
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case 24: /* Opteron processor */
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@ -117,6 +117,7 @@ static const u16 W83793_REG_IN[][3] = {
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/* Low Bits of Vcore A/B Vtt Read/High/Low */
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static const u16 W83793_REG_IN_LOW_BITS[] = { 0x1b, 0x68, 0x69 };
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static u8 scale_in[] = { 2, 2, 2, 16, 16, 16, 8, 24, 24, 16 };
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static u8 scale_in_add[] = { 0, 0, 0, 0, 0, 0, 0, 150, 150, 0 };
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#define W83793_REG_FAN(index) (0x23 + 2 * (index)) /* High byte */
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#define W83793_REG_FAN_MIN(index) (0x90 + 2 * (index)) /* High byte */
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@ -203,6 +204,8 @@ struct w83793_data {
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u8 temp_fan_map[6]; /* Temp controls which pwm fan, bit field */
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u8 has_pwm;
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u8 has_temp;
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u8 has_vid;
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u8 pwm_enable; /* Register value, each Temp has 1 bit */
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u8 pwm_uptime; /* Register value */
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u8 pwm_downtime; /* Register value */
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@ -500,7 +503,7 @@ store_temp(struct device *dev, struct device_attribute *attr,
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each has 4 mode:(2 bits)
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0: Stop monitor
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1: Use internal temp sensor(default)
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2: Use sensor in AMD CPU and get result by AMDSI
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2: Reserved
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3: Use sensor in Intel CPU and get result by PECI
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TR1-TR2
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@ -509,8 +512,8 @@ store_temp(struct device *dev, struct device_attribute *attr,
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1: To enable temp sensors monitor
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*/
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/* 0 disable, 5 AMDSI, 6 PECI */
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static u8 TO_TEMP_MODE[] = { 0, 0, 5, 6 };
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/* 0 disable, 6 PECI */
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static u8 TO_TEMP_MODE[] = { 0, 0, 0, 6 };
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static ssize_t
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show_temp_mode(struct device *dev, struct device_attribute *attr, char *buf)
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@ -550,11 +553,10 @@ store_temp_mode(struct device *dev, struct device_attribute *attr,
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u8 val = simple_strtoul(buf, NULL, 10);
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/* transform the sysfs interface values into table above */
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if ((val == 5 || val == 6) && (index < 4)) {
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if ((val == 6) && (index < 4)) {
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val -= 3;
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} else if ((val == 3 && index < 4)
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|| (val == 4 && index >= 4)
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|| val == 0) {
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|| (val == 4 && index >= 4)) {
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/* transform diode or thermistor into internal enable */
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val = !!val;
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} else {
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@ -839,7 +841,9 @@ show_in(struct device *dev, struct device_attribute *attr, char *buf)
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val <<= 2;
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val += (data->in_low_bits[nr] >> (index * 2)) & 0x3;
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}
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return sprintf(buf, "%d\n", val * scale_in[index]);
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/* voltage inputs 5VDD and 5VSB needs 150mV offset */
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val = val * scale_in[index] + scale_in_add[index];
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return sprintf(buf, "%d\n", val);
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}
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static ssize_t
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@ -859,6 +863,10 @@ store_in(struct device *dev, struct device_attribute *attr,
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scale_in[index] / 2) / scale_in[index];
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mutex_lock(&data->update_lock);
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if (index > 2) {
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/* fix the limit values of 5VDD and 5VSB to ALARM mechanism */
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if (1 == nr || 2 == nr) {
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val -= scale_in_add[index] / scale_in[index];
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}
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val = SENSORS_LIMIT(val, 0, 255);
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} else {
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val = SENSORS_LIMIT(val, 0, 0x3FF);
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@ -979,12 +987,6 @@ static struct sensor_device_attribute_2 w83793_sensor_attr_2[] = {
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SENSOR_ATTR_IN(7),
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SENSOR_ATTR_IN(8),
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SENSOR_ATTR_IN(9),
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SENSOR_ATTR_TEMP(1),
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SENSOR_ATTR_TEMP(2),
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SENSOR_ATTR_TEMP(3),
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SENSOR_ATTR_TEMP(4),
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SENSOR_ATTR_TEMP(5),
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SENSOR_ATTR_TEMP(6),
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SENSOR_ATTR_FAN(1),
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SENSOR_ATTR_FAN(2),
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SENSOR_ATTR_FAN(3),
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@ -995,6 +997,15 @@ static struct sensor_device_attribute_2 w83793_sensor_attr_2[] = {
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SENSOR_ATTR_PWM(3),
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};
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static struct sensor_device_attribute_2 w83793_temp[] = {
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SENSOR_ATTR_TEMP(1),
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SENSOR_ATTR_TEMP(2),
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SENSOR_ATTR_TEMP(3),
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SENSOR_ATTR_TEMP(4),
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SENSOR_ATTR_TEMP(5),
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SENSOR_ATTR_TEMP(6),
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};
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/* Fan6-Fan12 */
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static struct sensor_device_attribute_2 w83793_left_fan[] = {
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SENSOR_ATTR_FAN(6),
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@ -1015,9 +1026,12 @@ static struct sensor_device_attribute_2 w83793_left_pwm[] = {
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SENSOR_ATTR_PWM(8),
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};
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static struct sensor_device_attribute_2 sda_single_files[] = {
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static struct sensor_device_attribute_2 w83793_vid[] = {
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SENSOR_ATTR_2(cpu0_vid, S_IRUGO, show_vid, NULL, NOT_USED, 0),
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SENSOR_ATTR_2(cpu1_vid, S_IRUGO, show_vid, NULL, NOT_USED, 1),
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};
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static struct sensor_device_attribute_2 sda_single_files[] = {
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SENSOR_ATTR_2(vrm, S_IWUSR | S_IRUGO, show_vrm, store_vrm,
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NOT_USED, NOT_USED),
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SENSOR_ATTR_2(chassis, S_IWUSR | S_IRUGO, show_alarm_beep,
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@ -1070,11 +1084,17 @@ static int w83793_detach_client(struct i2c_client *client)
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for (i = 0; i < ARRAY_SIZE(sda_single_files); i++)
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device_remove_file(dev, &sda_single_files[i].dev_attr);
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for (i = 0; i < ARRAY_SIZE(w83793_vid); i++)
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device_remove_file(dev, &w83793_vid[i].dev_attr);
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for (i = 0; i < ARRAY_SIZE(w83793_left_fan); i++)
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device_remove_file(dev, &w83793_left_fan[i].dev_attr);
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for (i = 0; i < ARRAY_SIZE(w83793_left_pwm); i++)
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device_remove_file(dev, &w83793_left_pwm[i].dev_attr);
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for (i = 0; i < ARRAY_SIZE(w83793_temp); i++)
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device_remove_file(dev, &w83793_temp[i].dev_attr);
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}
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if ((err = i2c_detach_client(client)))
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@ -1187,6 +1207,7 @@ static int w83793_detect(struct i2c_adapter *adapter, int address, int kind)
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struct w83793_data *data;
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int files_fan = ARRAY_SIZE(w83793_left_fan) / 7;
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int files_pwm = ARRAY_SIZE(w83793_left_pwm) / 5;
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int files_temp = ARRAY_SIZE(w83793_temp) / 6;
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int err = 0;
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if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA)) {
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@ -1313,6 +1334,44 @@ static int w83793_detect(struct i2c_adapter *adapter, int address, int kind)
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data->has_pwm |= 0x80;
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}
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tmp = w83793_read_value(client, W83793_REG_FANIN_SEL);
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if ((tmp & 0x01) && (val & 0x08)) { /* fan 9, second location */
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data->has_fan |= 0x100;
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}
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if ((tmp & 0x02) && (val & 0x10)) { /* fan 10, second location */
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data->has_fan |= 0x200;
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}
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if ((tmp & 0x04) && (val & 0x20)) { /* fan 11, second location */
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data->has_fan |= 0x400;
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}
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if ((tmp & 0x08) && (val & 0x40)) { /* fan 12, second location */
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data->has_fan |= 0x800;
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}
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/* check the temp1-6 mode, ignore former AMDSI selected inputs */
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tmp = w83793_read_value(client,W83793_REG_TEMP_MODE[0]);
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if (tmp & 0x01)
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data->has_temp |= 0x01;
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if (tmp & 0x04)
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data->has_temp |= 0x02;
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if (tmp & 0x10)
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data->has_temp |= 0x04;
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if (tmp & 0x40)
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data->has_temp |= 0x08;
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tmp = w83793_read_value(client,W83793_REG_TEMP_MODE[1]);
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if (tmp & 0x01)
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data->has_temp |= 0x10;
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if (tmp & 0x02)
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data->has_temp |= 0x20;
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/* Detect the VID usage and ignore unused input */
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tmp = w83793_read_value(client, W83793_REG_MFC);
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if (!(tmp & 0x29))
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data->has_vid |= 0x1; /* has VIDA */
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if (tmp & 0x80)
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data->has_vid |= 0x2; /* has VIDB */
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/* Register sysfs hooks */
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for (i = 0; i < ARRAY_SIZE(w83793_sensor_attr_2); i++) {
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err = device_create_file(dev,
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@ -1321,6 +1380,14 @@ static int w83793_detect(struct i2c_adapter *adapter, int address, int kind)
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goto exit_remove;
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}
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for (i = 0; i < ARRAY_SIZE(w83793_vid); i++) {
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if (!(data->has_vid & (1 << i)))
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continue;
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err = device_create_file(dev, &w83793_vid[i].dev_attr);
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if (err)
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goto exit_remove;
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}
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for (i = 0; i < ARRAY_SIZE(sda_single_files); i++) {
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err = device_create_file(dev, &sda_single_files[i].dev_attr);
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if (err)
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@ -1328,6 +1395,19 @@ static int w83793_detect(struct i2c_adapter *adapter, int address, int kind)
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}
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for (i = 0; i < 6; i++) {
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int j;
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if (!(data->has_temp & (1 << i)))
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continue;
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for (j = 0; j < files_temp; j++) {
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err = device_create_file(dev,
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&w83793_temp[(i) * files_temp
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+ j].dev_attr);
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if (err)
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goto exit_remove;
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}
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}
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for (i = 5; i < 12; i++) {
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int j;
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if (!(data->has_fan & (1 << i)))
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@ -1371,12 +1451,18 @@ exit_remove:
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for (i = 0; i < ARRAY_SIZE(sda_single_files); i++)
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device_remove_file(dev, &sda_single_files[i].dev_attr);
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for (i = 0; i < ARRAY_SIZE(w83793_vid); i++)
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device_remove_file(dev, &w83793_vid[i].dev_attr);
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for (i = 0; i < ARRAY_SIZE(w83793_left_fan); i++)
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device_remove_file(dev, &w83793_left_fan[i].dev_attr);
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for (i = 0; i < ARRAY_SIZE(w83793_left_pwm); i++)
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device_remove_file(dev, &w83793_left_pwm[i].dev_attr);
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for (i = 0; i < ARRAY_SIZE(w83793_temp); i++)
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device_remove_file(dev, &w83793_temp[i].dev_attr);
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if (data->lm75[0] != NULL) {
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i2c_detach_client(data->lm75[0]);
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kfree(data->lm75[0]);
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@ -1428,6 +1514,8 @@ static void w83793_update_nonvolatile(struct device *dev)
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}
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for (i = 0; i < ARRAY_SIZE(data->temp_fan_map); i++) {
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if (!(data->has_temp & (1 << i)))
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continue;
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data->temp_fan_map[i] =
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w83793_read_value(client, W83793_REG_TEMP_FAN_MAP(i));
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for (j = 1; j < 5; j++) {
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@ -1510,9 +1598,12 @@ static struct w83793_data *w83793_update_device(struct device *dev)
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w83793_read_value(client, W83793_REG_FAN(i) + 1);
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}
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for (i = 0; i < ARRAY_SIZE(data->temp); i++)
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for (i = 0; i < ARRAY_SIZE(data->temp); i++) {
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if (!(data->has_temp & (1 << i)))
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continue;
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data->temp[i][TEMP_READ] =
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w83793_read_value(client, W83793_REG_TEMP[i][TEMP_READ]);
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}
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data->temp_low_bits =
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w83793_read_value(client, W83793_REG_TEMP_LOW_BITS);
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@ -1527,7 +1618,9 @@ static struct w83793_data *w83793_update_device(struct device *dev)
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for (i = 0; i < ARRAY_SIZE(data->alarms); i++)
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data->alarms[i] =
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w83793_read_value(client, W83793_REG_ALARM(i));
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if (data->has_vid & 0x01)
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data->vid[0] = w83793_read_value(client, W83793_REG_VID_INA);
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if (data->has_vid & 0x02)
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data->vid[1] = w83793_read_value(client, W83793_REG_VID_INB);
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w83793_update_nonvolatile(dev);
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data->last_updated = jiffies;
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