diff options
Diffstat (limited to 'drivers/platform')
| -rw-r--r-- | drivers/platform/x86/toshiba_acpi.c | 51 |
1 files changed, 50 insertions, 1 deletions
diff --git a/drivers/platform/x86/toshiba_acpi.c b/drivers/platform/x86/toshiba_acpi.c index fe5987e80e66..47d47b507c5f 100644 --- a/drivers/platform/x86/toshiba_acpi.c +++ b/drivers/platform/x86/toshiba_acpi.c @@ -1533,6 +1533,11 @@ static const struct backlight_ops toshiba_backlight_data = { */ static ssize_t toshiba_version_show(struct device *dev, struct device_attribute *attr, char *buf); +static ssize_t toshiba_fan_store(struct device *dev, + struct device_attribute *attr, + const char *buf, size_t count); +static ssize_t toshiba_fan_show(struct device *dev, + struct device_attribute *attr, char *buf); static ssize_t toshiba_kbd_bl_mode_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count); @@ -1586,6 +1591,8 @@ static ssize_t toshiba_usb_sleep_music_store(struct device *dev, const char *buf, size_t count); static DEVICE_ATTR(version, S_IRUGO, toshiba_version_show, NULL); +static DEVICE_ATTR(fan, S_IRUGO | S_IWUSR, + toshiba_fan_show, toshiba_fan_store); static DEVICE_ATTR(kbd_backlight_mode, S_IRUGO | S_IWUSR, toshiba_kbd_bl_mode_show, toshiba_kbd_bl_mode_store); static DEVICE_ATTR(kbd_type, S_IRUGO, toshiba_kbd_type_show, NULL); @@ -1611,6 +1618,7 @@ static DEVICE_ATTR(usb_sleep_music, S_IRUGO | S_IWUSR, static struct attribute *toshiba_attributes[] = { &dev_attr_version.attr, + &dev_attr_fan.attr, &dev_attr_kbd_backlight_mode.attr, &dev_attr_kbd_type.attr, &dev_attr_available_kbd_modes.attr, @@ -1638,6 +1646,45 @@ static ssize_t toshiba_version_show(struct device *dev, return sprintf(buf, "%s\n", TOSHIBA_ACPI_VERSION); } +static ssize_t toshiba_fan_store(struct device *dev, + struct device_attribute *attr, + const char *buf, size_t count) +{ + struct toshiba_acpi_dev *toshiba = dev_get_drvdata(dev); + u32 result; + int state; + int ret; + + ret = kstrtoint(buf, 0, &state); + if (ret) + return ret; + + if (state != 0 && state != 1) + return -EINVAL; + + result = hci_write1(toshiba, HCI_FAN, state); + if (result == TOS_FAILURE) + return -EIO; + else if (result == TOS_NOT_SUPPORTED) + return -ENODEV; + + return count; +} + +static ssize_t toshiba_fan_show(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct toshiba_acpi_dev *toshiba = dev_get_drvdata(dev); + u32 value; + int ret; + + ret = get_fan_status(toshiba, &value); + if (ret) + return ret; + + return sprintf(buf, "%d\n", value); +} + static ssize_t toshiba_kbd_bl_mode_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) @@ -2034,7 +2081,9 @@ static umode_t toshiba_sysfs_is_visible(struct kobject *kobj, struct toshiba_acpi_dev *drv = dev_get_drvdata(dev); bool exists = true; - if (attr == &dev_attr_kbd_backlight_mode.attr) + if (attr == &dev_attr_fan.attr) + exists = (drv->fan_supported) ? true : false; + else if (attr == &dev_attr_kbd_backlight_mode.attr) exists = (drv->kbd_illum_supported) ? true : false; else if (attr == &dev_attr_kbd_backlight_timeout.attr) exists = (drv->kbd_mode == SCI_KBD_MODE_AUTO) ? true : false; |