mirror of
https://github.com/torvalds/linux.git
synced 2024-12-25 20:32:22 +00:00
hwmon/w83793: Hide invalid VID readings
Ignore the VID readings when the motherboard has not designed the function. Signed-off-by: Gong Jun <jgong@winbond.com> Signed-off-by: Rudolf Marek <r.marek@assembler.cz> Signed-off-by: Jean Delvare <khali@linux-fr.org>
This commit is contained in:
parent
c929431528
commit
c70a8c345f
@ -205,6 +205,7 @@ struct w83793_data {
|
||||
|
||||
u8 has_pwm;
|
||||
u8 has_temp;
|
||||
u8 has_vid;
|
||||
u8 pwm_enable; /* Register value, each Temp has 1 bit */
|
||||
u8 pwm_uptime; /* Register value */
|
||||
u8 pwm_downtime; /* Register value */
|
||||
@ -1025,9 +1026,12 @@ static struct sensor_device_attribute_2 w83793_left_pwm[] = {
|
||||
SENSOR_ATTR_PWM(8),
|
||||
};
|
||||
|
||||
static struct sensor_device_attribute_2 sda_single_files[] = {
|
||||
static struct sensor_device_attribute_2 w83793_vid[] = {
|
||||
SENSOR_ATTR_2(cpu0_vid, S_IRUGO, show_vid, NULL, NOT_USED, 0),
|
||||
SENSOR_ATTR_2(cpu1_vid, S_IRUGO, show_vid, NULL, NOT_USED, 1),
|
||||
};
|
||||
|
||||
static struct sensor_device_attribute_2 sda_single_files[] = {
|
||||
SENSOR_ATTR_2(vrm, S_IWUSR | S_IRUGO, show_vrm, store_vrm,
|
||||
NOT_USED, NOT_USED),
|
||||
SENSOR_ATTR_2(chassis, S_IWUSR | S_IRUGO, show_alarm_beep,
|
||||
@ -1080,6 +1084,9 @@ static int w83793_detach_client(struct i2c_client *client)
|
||||
for (i = 0; i < ARRAY_SIZE(sda_single_files); i++)
|
||||
device_remove_file(dev, &sda_single_files[i].dev_attr);
|
||||
|
||||
for (i = 0; i < ARRAY_SIZE(w83793_vid); i++)
|
||||
device_remove_file(dev, &w83793_vid[i].dev_attr);
|
||||
|
||||
for (i = 0; i < ARRAY_SIZE(w83793_left_fan); i++)
|
||||
device_remove_file(dev, &w83793_left_fan[i].dev_attr);
|
||||
|
||||
@ -1358,6 +1365,13 @@ static int w83793_detect(struct i2c_adapter *adapter, int address, int kind)
|
||||
if (tmp & 0x02)
|
||||
data->has_temp |= 0x20;
|
||||
|
||||
/* Detect the VID usage and ignore unused input */
|
||||
tmp = w83793_read_value(client, W83793_REG_MFC);
|
||||
if (!(tmp & 0x29))
|
||||
data->has_vid |= 0x1; /* has VIDA */
|
||||
if (tmp & 0x80)
|
||||
data->has_vid |= 0x2; /* has VIDB */
|
||||
|
||||
/* Register sysfs hooks */
|
||||
for (i = 0; i < ARRAY_SIZE(w83793_sensor_attr_2); i++) {
|
||||
err = device_create_file(dev,
|
||||
@ -1366,6 +1380,14 @@ static int w83793_detect(struct i2c_adapter *adapter, int address, int kind)
|
||||
goto exit_remove;
|
||||
}
|
||||
|
||||
for (i = 0; i < ARRAY_SIZE(w83793_vid); i++) {
|
||||
if (!(data->has_vid & (1 << i)))
|
||||
continue;
|
||||
err = device_create_file(dev, &w83793_vid[i].dev_attr);
|
||||
if (err)
|
||||
goto exit_remove;
|
||||
}
|
||||
|
||||
for (i = 0; i < ARRAY_SIZE(sda_single_files); i++) {
|
||||
err = device_create_file(dev, &sda_single_files[i].dev_attr);
|
||||
if (err)
|
||||
@ -1429,6 +1451,9 @@ exit_remove:
|
||||
for (i = 0; i < ARRAY_SIZE(sda_single_files); i++)
|
||||
device_remove_file(dev, &sda_single_files[i].dev_attr);
|
||||
|
||||
for (i = 0; i < ARRAY_SIZE(w83793_vid); i++)
|
||||
device_remove_file(dev, &w83793_vid[i].dev_attr);
|
||||
|
||||
for (i = 0; i < ARRAY_SIZE(w83793_left_fan); i++)
|
||||
device_remove_file(dev, &w83793_left_fan[i].dev_attr);
|
||||
|
||||
@ -1593,8 +1618,10 @@ static struct w83793_data *w83793_update_device(struct device *dev)
|
||||
for (i = 0; i < ARRAY_SIZE(data->alarms); i++)
|
||||
data->alarms[i] =
|
||||
w83793_read_value(client, W83793_REG_ALARM(i));
|
||||
data->vid[0] = w83793_read_value(client, W83793_REG_VID_INA);
|
||||
data->vid[1] = w83793_read_value(client, W83793_REG_VID_INB);
|
||||
if (data->has_vid & 0x01)
|
||||
data->vid[0] = w83793_read_value(client, W83793_REG_VID_INA);
|
||||
if (data->has_vid & 0x02)
|
||||
data->vid[1] = w83793_read_value(client, W83793_REG_VID_INB);
|
||||
w83793_update_nonvolatile(dev);
|
||||
data->last_updated = jiffies;
|
||||
data->valid = 1;
|
||||
|
Loading…
Reference in New Issue
Block a user