The NCT677X series support weighted fan control. In this mode, a secondary
temperature source is used in addition to the primary temperature source to
control fan speed. Add support for this feature.
Signed-off-by: Guenter Roeck <linux@xxxxxxxxxxxx>
---
Documentation/hwmon/nct6775 | 19 +++
drivers/hwmon/nct6775.c | 280 ++++++++++++++++++++++++++++++++++++++++---
2 files changed, 285 insertions(+), 14 deletions(-)
diff --git a/Documentation/hwmon/nct6775 b/Documentation/hwmon/nct6775
index b4fe6bc..3f5587e 100644
--- a/Documentation/hwmon/nct6775
+++ b/Documentation/hwmon/nct6775
@@ -92,6 +92,25 @@ Common fan control attributes
pwm[1-5]_temp_sel Temperature source. Value is temperature sensor index.
For example, select '1' for temp1_input.
+pwm[1-5]_weight_temp_sel
+ Secondary temperature source. Value is temperature
+ sensor index. For example, select '1' for temp1_input.
+ Set to 0 to disable secondary temperature control.
+
+If secondary temperature functionality is enabled, it is controlled with the
+following attributes.
+
+pwm[1-5]_weight_duty_step
+ Duty step size.
+pwm[1-5]_weight_temp_step
+ Temperature step size. With each step over
+ temp_step_base, the value of weight_duty_step is added
+ to the current pwm value.
+pwm[1-5]_weight_temp_step_base
+ Temperature at which secondary temperature control kicks
+ in.
+pwm[1-5]_weight_temp_step_tol
+ Temperature step tolerance.
Thermal Cruise mode (2)
-----------------------
diff --git a/drivers/hwmon/nct6775.c b/drivers/hwmon/nct6775.c
index bf47bcb..50e38c6 100644
--- a/drivers/hwmon/nct6775.c
+++ b/drivers/hwmon/nct6775.c
@@ -255,6 +255,17 @@ static const u16 NCT6775_REG_TEMP_SOURCE[] = {
static const u16 NCT6775_REG_TEMP_SEL[] = {
0x100, 0x200, 0x300, 0x800, 0x900 };
+static const u16 NCT6775_REG_WEIGHT_TEMP_SEL[] = {
+ 0x139, 0x239, 0x339, 0x839, 0x939 };
+static const u16 NCT6775_REG_WEIGHT_TEMP_STEP[] = {
+ 0x13a, 0x23a, 0x33a, 0x83a, 0x93a };
+static const u16 NCT6775_REG_WEIGHT_TEMP_STEP_TOL[] = {
+ 0x13b, 0x23b, 0x33b, 0x83b, 0x93b };
+static const u16 NCT6775_REG_WEIGHT_DUTY_STEP[] = {
+ 0x13c, 0x23c, 0x33c, 0x83c, 0x93c };
+static const u16 NCT6775_REG_WEIGHT_TEMP_BASE[] = {
+ 0x13d, 0x23d, 0x33d, 0x83d, 0x93d };
+
static const u16 NCT6775_REG_TEMP_OFFSET[] = { 0x454, 0x455, 0x456 };
static const u16 NCT6775_REG_AUTO_TEMP[] = {
@@ -323,6 +334,9 @@ static const u8 NCT6776_PWM_MODE_MASK[] = { 0x01, 0, 0 };
static const u16 NCT6776_REG_FAN_MIN[] = { 0x63a, 0x63c, 0x63e, 0x640, 0x642 };
static const u16 NCT6776_REG_FAN_PULSES[] = { 0x644, 0x645, 0x646, 0, 0 };
+static const u16 NCT6776_REG_WEIGHT_DUTY_BASE[] = {
+ 0x13e, 0x23e, 0x33e, 0x83e, 0x93e };
+
static const u16 NCT6776_REG_TEMP_CONFIG[11] = {
0x18, 0x152, 0x252, 0x628, 0x629, 0x62A };
@@ -568,8 +582,9 @@ struct nct6775_data {
const u8 *REG_PWM_MODE;
const u8 *PWM_MODE_MASK;
- const u16 *REG_PWM[5]; /* [0]=pwm, [1]=pwm_start, [2]=pwm_floor,
- * [3]=pwm_max, [4]=pwm_step
+ const u16 *REG_PWM[7]; /* [0]=pwm, [1]=pwm_start, [2]=pwm_floor,
+ * [3]=pwm_max, [4]=pwm_step,
+ * [5]=weight_duty_step, [6]=weight_duty_base
*/
const u16 *REG_PWM_READ;
@@ -581,6 +596,9 @@ struct nct6775_data {
const u16 *REG_TEMP_SOURCE; /* temp register sources */
const u16 *REG_TEMP_SEL;
+ const u16 *REG_WEIGHT_TEMP_SEL;
+ const u16 *REG_WEIGHT_TEMP[3]; /* 0=base, 1=tolerance, 2=step */
+
const u16 *REG_TEMP_OFFSET;
const u16 *REG_ALARM;
@@ -622,8 +640,9 @@ struct nct6775_data {
* 4->SmartFan III
* 5->enhanced variable thermal cruise (SmartFan IV)
*/
- u8 pwm[5][5]; /* [0]=pwm, [1]=pwm_start, [2]=pwm_floor,
- * [3]=pwm_max, [4]=pwm_step
+ u8 pwm[7][5]; /* [0]=pwm, [1]=pwm_start, [2]=pwm_floor,
+ * [3]=pwm_max, [4]=pwm_step,
+ * [5]=weight_duty_step, [6]=weight_duty_base
*/
u8 target_temp[5];
@@ -642,6 +661,10 @@ struct nct6775_data {
u8 auto_pwm[5][7];
u8 auto_temp[5][7];
u8 pwm_temp_sel[5];
+ u8 pwm_weight_temp_sel[5];
+ u8 weight_temp[3][5]; /* 0->temp_step, 1->temp_step_tol,
+ * 2->temp_base
+ */
u8 vid;
u8 vrm;
@@ -969,6 +992,19 @@ static void nct6775_update_pwm(struct device *dev)
/* If fan can stop, report floor as 0 */
if (reg & 0x80)
data->pwm[2][i] = 0;
+
+ reg = nct6775_read_value(data, data->REG_WEIGHT_TEMP_SEL[i]);
+ data->pwm_weight_temp_sel[i] = reg & 0x1f;
+ /* If weight is disabled, report weight source as 0 */
+ if (j == 1 && !(reg & 0x80))
+ data->pwm_weight_temp_sel[i] = 0;
+
+ /* Weight temp data */
+ for (j = 0; j < 3; j++) {
+ data->weight_temp[j][i]
+ = nct6775_read_value(data,
+ data->REG_WEIGHT_TEMP[j][i]);
+ }
}
}
@@ -1935,9 +1971,9 @@ store_pwm(struct device *dev, struct device_attribute *attr, const char *buf,
int nr = sattr->nr;
int index = sattr->index;
unsigned long val;
- int minval[5] = { 0, 1, 1, data->pwm[2][nr], 0 };
- int maxval[5]
- = { 255, 255, data->pwm[3][nr] ? : 255, 255, 255 };
+ int minval[7] = { 0, 1, 1, data->pwm[2][nr], 0, 0, 0 };
+ int maxval[7]
+ = { 255, 255, data->pwm[3][nr] ? : 255, 255, 255, 255, 255 };
int err;
u8 reg;
@@ -2075,13 +2111,9 @@ store_pwm_enable(struct device *dev, struct device_attribute *attr,
}
static ssize_t
-show_pwm_temp_sel(struct device *dev, struct device_attribute *attr, char *buf)
+show_pwm_temp_sel_common(struct nct6775_data *data, char *buf, int src)
{
- struct nct6775_data *data = nct6775_update_device(dev);
- struct sensor_device_attribute *sattr = to_sensor_dev_attr(attr);
- int i, src, sel = 0;
-
- src = data->pwm_temp_sel[sattr->index];
+ int i, sel = 0;
for (i = 0; i < NUM_TEMP; i++) {
if (!(data->have_temp & (1 << i)))
@@ -2096,6 +2128,16 @@ show_pwm_temp_sel(struct device *dev, struct device_attribute *attr, char *buf)
}
static ssize_t
+show_pwm_temp_sel(struct device *dev, struct device_attribute *attr, char *buf)
+{
+ struct nct6775_data *data = nct6775_update_device(dev);
+ struct sensor_device_attribute *sattr = to_sensor_dev_attr(attr);
+ int index = sattr->index;
+
+ return show_pwm_temp_sel_common(data, buf, data->pwm_temp_sel[index]);
+}
+
+static ssize_t
store_pwm_temp_sel(struct device *dev, struct device_attribute *attr,
const char *buf, size_t count)
{
@@ -2126,6 +2168,56 @@ store_pwm_temp_sel(struct device *dev, struct device_attribute *attr,
}
static ssize_t
+show_pwm_weight_temp_sel(struct device *dev, struct device_attribute *attr,
+ char *buf)
+{
+ struct nct6775_data *data = nct6775_update_device(dev);
+ struct sensor_device_attribute *sattr = to_sensor_dev_attr(attr);
+ int index = sattr->index;
+
+ return show_pwm_temp_sel_common(data, buf,
+ data->pwm_weight_temp_sel[index]);
+}
+
+static ssize_t
+store_pwm_weight_temp_sel(struct device *dev, struct device_attribute *attr,
+ const char *buf, size_t count)
+{
+ struct nct6775_data *data = nct6775_update_device(dev);
+ struct sensor_device_attribute *sattr = to_sensor_dev_attr(attr);
+ int nr = sattr->index;
+ unsigned long val;
+ int err, reg, src;
+
+ err = kstrtoul(buf, 10, &val);
+ if (err < 0)
+ return err;
+ if (val > NUM_TEMP)
+ return -EINVAL;
+ if (val && (!(data->have_temp & (1 << (val - 1))) ||
+ !data->temp_src[val - 1]))
+ return -EINVAL;
+
+ mutex_lock(&data->update_lock);
+ if (val) {
+ src = data->temp_src[val - 1];
+ data->pwm_weight_temp_sel[nr] = src;
+ reg = nct6775_read_value(data, data->REG_WEIGHT_TEMP_SEL[nr]);
+ reg &= 0xe0;
+ reg |= (src | 0x80);
+ nct6775_write_value(data, data->REG_WEIGHT_TEMP_SEL[nr], reg);
+ } else {
+ data->pwm_weight_temp_sel[nr] = 0;
+ reg = nct6775_read_value(data, data->REG_WEIGHT_TEMP_SEL[nr]);
+ reg &= 0x7f;
+ nct6775_write_value(data, data->REG_WEIGHT_TEMP_SEL[nr], reg);
+ }
+ mutex_unlock(&data->update_lock);
+
+ return count;
+}
+
+static ssize_t
show_target_temp(struct device *dev, struct device_attribute *attr, char *buf)
{
struct nct6775_data *data = nct6775_update_device(dev);
@@ -2378,6 +2470,115 @@ static SENSOR_DEVICE_ATTR(fan5_tolerance, S_IWUSR | S_IRUGO,
/* Smart Fan registers */
static ssize_t
+show_weight_temp(struct device *dev, struct device_attribute *attr, char *buf)
+{
+ struct nct6775_data *data = nct6775_update_device(dev);
+ struct sensor_device_attribute_2 *sattr = to_sensor_dev_attr_2(attr);
+ int nr = sattr->nr;
+ int index = sattr->index;
+
+ return sprintf(buf, "%d\n", data->weight_temp[index][nr] * 1000);
+}
+
+static ssize_t
+store_weight_temp(struct device *dev, struct device_attribute *attr,
+ const char *buf, size_t count)
+{
+ struct nct6775_data *data = dev_get_drvdata(dev);
+ struct sensor_device_attribute_2 *sattr = to_sensor_dev_attr_2(attr);
+ int nr = sattr->nr;
+ int index = sattr->index;
+ unsigned long val;
+ int err;
+
+ err = kstrtoul(buf, 10, &val);
+ if (err < 0)
+ return err;
+
+ val = clamp_val(DIV_ROUND_CLOSEST(val, 1000), 0, 255);
+
+ mutex_lock(&data->update_lock);
+ data->weight_temp[index][nr] = val;
+ nct6775_write_value(data, data->REG_WEIGHT_TEMP[index][nr], val);
+ mutex_unlock(&data->update_lock);
+ return count;
+}
+
+static SENSOR_DEVICE_ATTR(pwm1_weight_temp_sel, S_IWUSR | S_IRUGO,
+ show_pwm_weight_temp_sel, store_pwm_weight_temp_sel,
+ 0);
+static SENSOR_DEVICE_ATTR(pwm2_weight_temp_sel, S_IWUSR | S_IRUGO,
+ show_pwm_weight_temp_sel, store_pwm_weight_temp_sel,
+ 1);
+static SENSOR_DEVICE_ATTR(pwm3_weight_temp_sel, S_IWUSR | S_IRUGO,
+ show_pwm_weight_temp_sel, store_pwm_weight_temp_sel,
+ 2);
+static SENSOR_DEVICE_ATTR(pwm4_weight_temp_sel, S_IWUSR | S_IRUGO,
+ show_pwm_weight_temp_sel, store_pwm_weight_temp_sel,
+ 3);
+static SENSOR_DEVICE_ATTR(pwm5_weight_temp_sel, S_IWUSR | S_IRUGO,
+ show_pwm_weight_temp_sel, store_pwm_weight_temp_sel,
+ 4);
+
+static SENSOR_DEVICE_ATTR_2(pwm1_weight_temp_step, S_IWUSR | S_IRUGO,
+ show_weight_temp, store_weight_temp, 0, 0);
+static SENSOR_DEVICE_ATTR_2(pwm2_weight_temp_step, S_IWUSR | S_IRUGO,
+ show_weight_temp, store_weight_temp, 1, 0);
+static SENSOR_DEVICE_ATTR_2(pwm3_weight_temp_step, S_IWUSR | S_IRUGO,
+ show_weight_temp, store_weight_temp, 2, 0);
+static SENSOR_DEVICE_ATTR_2(pwm4_weight_temp_step, S_IWUSR | S_IRUGO,
+ show_weight_temp, store_weight_temp, 3, 0);
+static SENSOR_DEVICE_ATTR_2(pwm5_weight_temp_step, S_IWUSR | S_IRUGO,
+ show_weight_temp, store_weight_temp, 4, 0);
+
+static SENSOR_DEVICE_ATTR_2(pwm1_weight_temp_step_tol, S_IWUSR | S_IRUGO,
+ show_weight_temp, store_weight_temp, 0, 1);
+static SENSOR_DEVICE_ATTR_2(pwm2_weight_temp_step_tol, S_IWUSR | S_IRUGO,
+ show_weight_temp, store_weight_temp, 1, 1);
+static SENSOR_DEVICE_ATTR_2(pwm3_weight_temp_step_tol, S_IWUSR | S_IRUGO,
+ show_weight_temp, store_weight_temp, 2, 1);
+static SENSOR_DEVICE_ATTR_2(pwm4_weight_temp_step_tol, S_IWUSR | S_IRUGO,
+ show_weight_temp, store_weight_temp, 3, 1);
+static SENSOR_DEVICE_ATTR_2(pwm5_weight_temp_step_tol, S_IWUSR | S_IRUGO,
+ show_weight_temp, store_weight_temp, 4, 1);
+
+static SENSOR_DEVICE_ATTR_2(pwm1_weight_temp_step_base, S_IWUSR | S_IRUGO,
+ show_weight_temp, store_weight_temp, 0, 2);
+static SENSOR_DEVICE_ATTR_2(pwm2_weight_temp_step_base, S_IWUSR | S_IRUGO,
+ show_weight_temp, store_weight_temp, 1, 2);
+static SENSOR_DEVICE_ATTR_2(pwm3_weight_temp_step_base, S_IWUSR | S_IRUGO,
+ show_weight_temp, store_weight_temp, 2, 2);
+static SENSOR_DEVICE_ATTR_2(pwm4_weight_temp_step_base, S_IWUSR | S_IRUGO,
+ show_weight_temp, store_weight_temp, 3, 2);
+static SENSOR_DEVICE_ATTR_2(pwm5_weight_temp_step_base, S_IWUSR | S_IRUGO,
+ show_weight_temp, store_weight_temp, 4, 2);
+
+static SENSOR_DEVICE_ATTR_2(pwm1_weight_duty_step, S_IWUSR | S_IRUGO,
+ show_pwm, store_pwm, 0, 5);
+static SENSOR_DEVICE_ATTR_2(pwm2_weight_duty_step, S_IWUSR | S_IRUGO,
+ show_pwm, store_pwm, 1, 5);
+static SENSOR_DEVICE_ATTR_2(pwm3_weight_duty_step, S_IWUSR | S_IRUGO,
+ show_pwm, store_pwm, 2, 5);
+static SENSOR_DEVICE_ATTR_2(pwm4_weight_duty_step, S_IWUSR | S_IRUGO,
+ show_pwm, store_pwm, 3, 5);
+static SENSOR_DEVICE_ATTR_2(pwm5_weight_duty_step, S_IWUSR | S_IRUGO,
+ show_pwm, store_pwm, 4, 5);
+
+/* duty_base is not supported on all chips */
+static struct sensor_device_attribute_2 sda_weight_duty_base[] = {
+ SENSOR_ATTR_2(pwm1_weight_duty_base, S_IWUSR | S_IRUGO,
+ show_pwm, store_pwm, 0, 6),
+ SENSOR_ATTR_2(pwm2_weight_duty_base, S_IWUSR | S_IRUGO,
+ show_pwm, store_pwm, 1, 6),
+ SENSOR_ATTR_2(pwm3_weight_duty_base, S_IWUSR | S_IRUGO,
+ show_pwm, store_pwm, 2, 6),
+ SENSOR_ATTR_2(pwm4_weight_duty_base, S_IWUSR | S_IRUGO,
+ show_pwm, store_pwm, 3, 6),
+ SENSOR_ATTR_2(pwm5_weight_duty_base, S_IWUSR | S_IRUGO,
+ show_pwm, store_pwm, 4, 6),
+};
+
+static ssize_t
show_fan_time(struct device *dev, struct device_attribute *attr, char *buf)
{
struct nct6775_data *data = nct6775_update_device(dev);
@@ -2523,7 +2724,7 @@ static struct sensor_device_attribute_2 sda_pwm_step[] = {
SENSOR_ATTR_2(pwm5_step, S_IWUSR | S_IRUGO, show_pwm, store_pwm, 4, 4),
};
-static struct attribute *nct6775_attributes_pwm[5][15] = {
+static struct attribute *nct6775_attributes_pwm[5][20] = {
{
&sensor_dev_attr_pwm1.dev_attr.attr,
&sensor_dev_attr_pwm1_mode.dev_attr.attr,
@@ -2539,6 +2740,11 @@ static struct attribute *nct6775_attributes_pwm[5][15] = {
&sensor_dev_attr_pwm1_step_down_time.dev_attr.attr,
&sensor_dev_attr_pwm1_start.dev_attr.attr,
&sensor_dev_attr_pwm1_floor.dev_attr.attr,
+ &sensor_dev_attr_pwm1_weight_temp_sel.dev_attr.attr,
+ &sensor_dev_attr_pwm1_weight_temp_step.dev_attr.attr,
+ &sensor_dev_attr_pwm1_weight_temp_step_tol.dev_attr.attr,
+ &sensor_dev_attr_pwm1_weight_temp_step_base.dev_attr.attr,
+ &sensor_dev_attr_pwm1_weight_duty_step.dev_attr.attr,
NULL
},
{
@@ -2556,6 +2762,11 @@ static struct attribute *nct6775_attributes_pwm[5][15] = {
&sensor_dev_attr_pwm2_step_down_time.dev_attr.attr,
&sensor_dev_attr_pwm2_start.dev_attr.attr,
&sensor_dev_attr_pwm2_floor.dev_attr.attr,
+ &sensor_dev_attr_pwm2_weight_temp_sel.dev_attr.attr,
+ &sensor_dev_attr_pwm2_weight_temp_step.dev_attr.attr,
+ &sensor_dev_attr_pwm2_weight_temp_step_tol.dev_attr.attr,
+ &sensor_dev_attr_pwm2_weight_temp_step_base.dev_attr.attr,
+ &sensor_dev_attr_pwm2_weight_duty_step.dev_attr.attr,
NULL
},
{
@@ -2573,6 +2784,11 @@ static struct attribute *nct6775_attributes_pwm[5][15] = {
&sensor_dev_attr_pwm3_step_down_time.dev_attr.attr,
&sensor_dev_attr_pwm3_start.dev_attr.attr,
&sensor_dev_attr_pwm3_floor.dev_attr.attr,
+ &sensor_dev_attr_pwm3_weight_temp_sel.dev_attr.attr,
+ &sensor_dev_attr_pwm3_weight_temp_step.dev_attr.attr,
+ &sensor_dev_attr_pwm3_weight_temp_step_tol.dev_attr.attr,
+ &sensor_dev_attr_pwm3_weight_temp_step_base.dev_attr.attr,
+ &sensor_dev_attr_pwm3_weight_duty_step.dev_attr.attr,
NULL
},
{
@@ -2590,6 +2806,11 @@ static struct attribute *nct6775_attributes_pwm[5][15] = {
&sensor_dev_attr_pwm4_step_down_time.dev_attr.attr,
&sensor_dev_attr_pwm4_start.dev_attr.attr,
&sensor_dev_attr_pwm4_floor.dev_attr.attr,
+ &sensor_dev_attr_pwm4_weight_temp_sel.dev_attr.attr,
+ &sensor_dev_attr_pwm4_weight_temp_step.dev_attr.attr,
+ &sensor_dev_attr_pwm4_weight_temp_step_tol.dev_attr.attr,
+ &sensor_dev_attr_pwm4_weight_temp_step_base.dev_attr.attr,
+ &sensor_dev_attr_pwm4_weight_duty_step.dev_attr.attr,
NULL
},
{
@@ -2607,6 +2828,11 @@ static struct attribute *nct6775_attributes_pwm[5][15] = {
&sensor_dev_attr_pwm5_step_down_time.dev_attr.attr,
&sensor_dev_attr_pwm5_start.dev_attr.attr,
&sensor_dev_attr_pwm5_floor.dev_attr.attr,
+ &sensor_dev_attr_pwm5_weight_temp_sel.dev_attr.attr,
+ &sensor_dev_attr_pwm5_weight_temp_step.dev_attr.attr,
+ &sensor_dev_attr_pwm5_weight_temp_step_tol.dev_attr.attr,
+ &sensor_dev_attr_pwm5_weight_temp_step_base.dev_attr.attr,
+ &sensor_dev_attr_pwm5_weight_duty_step.dev_attr.attr,
NULL
},
};
@@ -2971,6 +3197,9 @@ static void nct6775_device_remove_files(struct device *dev)
for (i = 0; i < ARRAY_SIZE(sda_pwm_step); i++)
device_remove_file(dev, &sda_pwm_step[i].dev_attr);
+ for (i = 0; i < ARRAY_SIZE(sda_weight_duty_base); i++)
+ device_remove_file(dev, &sda_weight_duty_base[i].dev_attr);
+
for (i = 0; i < ARRAY_SIZE(sda_auto_pwm_arrays); i++)
device_remove_file(dev, &sda_auto_pwm_arrays[i].dev_attr);
@@ -3200,6 +3429,7 @@ static int nct6775_probe(struct platform_device *pdev)
data->REG_PWM[2] = NCT6775_REG_FAN_STOP_OUTPUT;
data->REG_PWM[3] = NCT6775_REG_FAN_MAX_OUTPUT;
data->REG_PWM[4] = NCT6775_REG_FAN_STEP_OUTPUT;
+ data->REG_PWM[5] = NCT6775_REG_WEIGHT_DUTY_STEP;
data->REG_PWM_READ = NCT6775_REG_PWM_READ;
data->REG_PWM_MODE = NCT6775_REG_PWM_MODE;
data->PWM_MODE_MASK = NCT6775_PWM_MODE_MASK;
@@ -3211,6 +3441,10 @@ static int nct6775_probe(struct platform_device *pdev)
data->REG_TEMP_OFFSET = NCT6775_REG_TEMP_OFFSET;
data->REG_TEMP_SOURCE = NCT6775_REG_TEMP_SOURCE;
data->REG_TEMP_SEL = NCT6775_REG_TEMP_SEL;
+ data->REG_WEIGHT_TEMP_SEL = NCT6775_REG_WEIGHT_TEMP_SEL;
+ data->REG_WEIGHT_TEMP[0] = NCT6775_REG_WEIGHT_TEMP_STEP;
+ data->REG_WEIGHT_TEMP[1] = NCT6775_REG_WEIGHT_TEMP_STEP_TOL;
+ data->REG_WEIGHT_TEMP[2] = NCT6775_REG_WEIGHT_TEMP_BASE;
data->REG_ALARM = NCT6775_REG_ALARM;
reg_temp = NCT6775_REG_TEMP;
@@ -3258,6 +3492,8 @@ static int nct6775_probe(struct platform_device *pdev)
data->REG_PWM[0] = NCT6775_REG_PWM;
data->REG_PWM[1] = NCT6775_REG_FAN_START_OUTPUT;
data->REG_PWM[2] = NCT6775_REG_FAN_STOP_OUTPUT;
+ data->REG_PWM[5] = NCT6775_REG_WEIGHT_DUTY_STEP;
+ data->REG_PWM[6] = NCT6776_REG_WEIGHT_DUTY_BASE;
data->REG_PWM_READ = NCT6775_REG_PWM_READ;
data->REG_PWM_MODE = NCT6776_REG_PWM_MODE;
data->PWM_MODE_MASK = NCT6776_PWM_MODE_MASK;
@@ -3269,6 +3505,10 @@ static int nct6775_probe(struct platform_device *pdev)
data->REG_TEMP_OFFSET = NCT6775_REG_TEMP_OFFSET;
data->REG_TEMP_SOURCE = NCT6775_REG_TEMP_SOURCE;
data->REG_TEMP_SEL = NCT6775_REG_TEMP_SEL;
+ data->REG_WEIGHT_TEMP_SEL = NCT6775_REG_WEIGHT_TEMP_SEL;
+ data->REG_WEIGHT_TEMP[0] = NCT6775_REG_WEIGHT_TEMP_STEP;
+ data->REG_WEIGHT_TEMP[1] = NCT6775_REG_WEIGHT_TEMP_STEP_TOL;
+ data->REG_WEIGHT_TEMP[2] = NCT6775_REG_WEIGHT_TEMP_BASE;
data->REG_ALARM = NCT6775_REG_ALARM;
reg_temp = NCT6775_REG_TEMP;
@@ -3316,6 +3556,8 @@ static int nct6775_probe(struct platform_device *pdev)
data->REG_PWM[0] = NCT6775_REG_PWM;
data->REG_PWM[1] = NCT6775_REG_FAN_START_OUTPUT;
data->REG_PWM[2] = NCT6775_REG_FAN_STOP_OUTPUT;
+ data->REG_PWM[5] = NCT6775_REG_WEIGHT_DUTY_STEP;
+ data->REG_PWM[6] = NCT6776_REG_WEIGHT_DUTY_BASE;
data->REG_PWM_READ = NCT6775_REG_PWM_READ;
data->REG_PWM_MODE = NCT6776_REG_PWM_MODE;
data->PWM_MODE_MASK = NCT6776_PWM_MODE_MASK;
@@ -3327,6 +3569,10 @@ static int nct6775_probe(struct platform_device *pdev)
data->REG_TEMP_OFFSET = NCT6779_REG_TEMP_OFFSET;
data->REG_TEMP_SOURCE = NCT6775_REG_TEMP_SOURCE;
data->REG_TEMP_SEL = NCT6775_REG_TEMP_SEL;
+ data->REG_WEIGHT_TEMP_SEL = NCT6775_REG_WEIGHT_TEMP_SEL;
+ data->REG_WEIGHT_TEMP[0] = NCT6775_REG_WEIGHT_TEMP_STEP;
+ data->REG_WEIGHT_TEMP[1] = NCT6775_REG_WEIGHT_TEMP_STEP_TOL;
+ data->REG_WEIGHT_TEMP[2] = NCT6775_REG_WEIGHT_TEMP_BASE;
data->REG_ALARM = NCT6779_REG_ALARM;
reg_temp = NCT6779_REG_TEMP;
@@ -3554,6 +3800,12 @@ static int nct6775_probe(struct platform_device *pdev)
if (err)
goto exit_remove;
}
+ if (data->REG_PWM[6]) {
+ err = device_create_file(dev,
+ &sda_weight_duty_base[i].dev_attr);
+ if (err)
+ goto exit_remove;
+ }
}
for (i = 0; i < ARRAY_SIZE(sda_auto_pwm_arrays); i++) {
struct sensor_device_attribute_2 *attr =
--
1.7.9.7
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