diff options
| -rw-r--r-- | drivers/hwmon/Kconfig | 17 | ||||
| -rw-r--r-- | drivers/hwmon/w83795.c | 10 |
2 files changed, 27 insertions, 0 deletions
diff --git a/drivers/hwmon/Kconfig b/drivers/hwmon/Kconfig index d229f459284..a06ac97229d 100644 --- a/drivers/hwmon/Kconfig +++ b/drivers/hwmon/Kconfig @@ -1041,6 +1041,23 @@ config SENSORS_W83795 This driver can also be built as a module. If so, the module will be called w83795. +config SENSORS_W83795_FANCTRL + boolean "Include fan control support (DANGEROUS)" + depends on SENSORS_W83795 && EXPERIMENTAL + default n + help + If you say yes here, support for the both manual and automatic + fan control features will be included in the driver. + + This part of the code wasn't carefully reviewed and tested yet, + so enabling this option is strongly discouraged on production + servers. Only developers and testers should enable it for the + time being. + + Please also note that this option will create sysfs attribute + files which may change in the future, so you shouldn't rely + on them being stable. + config SENSORS_W83L785TS tristate "Winbond W83L785TS-S" depends on I2C && EXPERIMENTAL diff --git a/drivers/hwmon/w83795.c b/drivers/hwmon/w83795.c index a9116ad747f..c461e753f9b 100644 --- a/drivers/hwmon/w83795.c +++ b/drivers/hwmon/w83795.c @@ -1455,6 +1455,7 @@ store_in(struct device *dev, struct device_attribute *attr, } +#ifdef CONFIG_SENSORS_W83795_FANCTRL static ssize_t show_sf_setup(struct device *dev, struct device_attribute *attr, char *buf) { @@ -1506,6 +1507,7 @@ store_sf_setup(struct device *dev, struct device_attribute *attr, mutex_unlock(&data->update_lock); return count; } +#endif #define NOT_USED -1 @@ -1711,6 +1713,7 @@ static const struct sensor_device_attribute_2 sda_single_files[] = { store_chassis_clear, ALARM_STATUS, 46), SENSOR_ATTR_2(beep_enable, S_IWUSR | S_IRUGO, show_alarm_beep, store_beep, BEEP_ENABLE, 47), +#ifdef CONFIG_SENSORS_W83795_FANCTRL SENSOR_ATTR_2(speed_cruise_tolerance, S_IWUSR | S_IRUGO, show_fanin, store_fanin, FANIN_TOL, NOT_USED), SENSOR_ATTR_2(pwm_default, S_IWUSR | S_IRUGO, show_sf_setup, @@ -1719,6 +1722,7 @@ static const struct sensor_device_attribute_2 sda_single_files[] = { store_sf_setup, SETUP_PWM_UPTIME, NOT_USED), SENSOR_ATTR_2(pwm_downtime, S_IWUSR | S_IRUGO, show_sf_setup, store_sf_setup, SETUP_PWM_DOWNTIME, NOT_USED), +#endif }; /* @@ -1872,6 +1876,7 @@ static int w83795_handle_files(struct device *dev, int (*fn)(struct device *, return err; } +#ifdef CONFIG_SENSORS_W83795_FANCTRL for (i = 0; i < data->has_pwm; i++) { for (j = 0; j < ARRAY_SIZE(w83795_pwm[0]); j++) { err = fn(dev, &w83795_pwm[i][j].dev_attr); @@ -1879,11 +1884,16 @@ static int w83795_handle_files(struct device *dev, int (*fn)(struct device *, return err; } } +#endif for (i = 0; i < ARRAY_SIZE(w83795_temp); i++) { if (!(data->has_temp & (1 << i))) continue; +#ifdef CONFIG_SENSORS_W83795_FANCTRL for (j = 0; j < ARRAY_SIZE(w83795_temp[0]); j++) { +#else + for (j = 0; j < 8; j++) { +#endif err = fn(dev, &w83795_temp[i][j].dev_attr); if (err) return err; |