Drivers: platform: x86: remove __dev* attributes.
[linux-3.10.git] / drivers / platform / x86 / ideapad-laptop.c
index 7bc1b6c..64bfb30 100644 (file)
@@ -64,8 +64,10 @@ enum {
        VPCCMD_R_3G,
        VPCCMD_W_3G,
        VPCCMD_R_ODD, /* 0x21 */
-       VPCCMD_R_RF = 0x23,
+       VPCCMD_W_FAN,
+       VPCCMD_R_RF,
        VPCCMD_W_RF,
+       VPCCMD_R_FAN = 0x2B,
        VPCCMD_R_SPECIAL_BUTTONS = 0x31,
        VPCCMD_W_BL_POWER = 0x33,
 };
@@ -296,7 +298,7 @@ static const struct file_operations debugfs_cfg_fops = {
        .release = single_release,
 };
 
-static int __devinit ideapad_debugfs_init(struct ideapad_private *priv)
+static int ideapad_debugfs_init(struct ideapad_private *priv)
 {
        struct dentry *node;
 
@@ -358,14 +360,46 @@ static ssize_t store_ideapad_cam(struct device *dev,
                return -EINVAL;
        ret = write_ec_cmd(ideapad_handle, VPCCMD_W_CAMERA, state);
        if (ret < 0)
-               return ret;
+               return -EIO;
        return count;
 }
 
 static DEVICE_ATTR(camera_power, 0644, show_ideapad_cam, store_ideapad_cam);
 
+static ssize_t show_ideapad_fan(struct device *dev,
+                               struct device_attribute *attr,
+                               char *buf)
+{
+       unsigned long result;
+
+       if (read_ec_data(ideapad_handle, VPCCMD_R_FAN, &result))
+               return sprintf(buf, "-1\n");
+       return sprintf(buf, "%lu\n", result);
+}
+
+static ssize_t store_ideapad_fan(struct device *dev,
+                                struct device_attribute *attr,
+                                const char *buf, size_t count)
+{
+       int ret, state;
+
+       if (!count)
+               return 0;
+       if (sscanf(buf, "%i", &state) != 1)
+               return -EINVAL;
+       if (state < 0 || state > 4 || state == 3)
+               return -EINVAL;
+       ret = write_ec_cmd(ideapad_handle, VPCCMD_W_FAN, state);
+       if (ret < 0)
+               return -EIO;
+       return count;
+}
+
+static DEVICE_ATTR(fan_mode, 0644, show_ideapad_fan, store_ideapad_fan);
+
 static struct attribute *ideapad_attributes[] = {
        &dev_attr_camera_power.attr,
+       &dev_attr_fan_mode.attr,
        NULL
 };
 
@@ -379,7 +413,10 @@ static umode_t ideapad_is_visible(struct kobject *kobj,
 
        if (attr == &dev_attr_camera_power.attr)
                supported = test_bit(CFG_CAMERA_BIT, &(priv->cfg));
-       else
+       else if (attr == &dev_attr_fan_mode.attr) {
+               unsigned long value;
+               supported = !read_ec_data(ideapad_handle, VPCCMD_R_FAN, &value);
+       } else
                supported = true;
 
        return supported ? attr->mode : 0;
@@ -431,8 +468,7 @@ static void ideapad_sync_rfk_state(struct ideapad_private *priv)
                        rfkill_set_hw_state(priv->rfk[i], hw_blocked);
 }
 
-static int __devinit ideapad_register_rfkill(struct acpi_device *adevice,
-                                            int dev)
+static int ideapad_register_rfkill(struct acpi_device *adevice, int dev)
 {
        struct ideapad_private *priv = dev_get_drvdata(&adevice->dev);
        int ret;
@@ -482,7 +518,7 @@ static void ideapad_unregister_rfkill(struct acpi_device *adevice, int dev)
 /*
  * Platform device
  */
-static int __devinit ideapad_platform_init(struct ideapad_private *priv)
+static int ideapad_platform_init(struct ideapad_private *priv)
 {
        int result;
 
@@ -532,7 +568,7 @@ static const struct key_entry ideapad_keymap[] = {
        { KE_END, 0 },
 };
 
-static int __devinit ideapad_input_init(struct ideapad_private *priv)
+static int ideapad_input_init(struct ideapad_private *priv)
 {
        struct input_dev *inputdev;
        int error;
@@ -739,7 +775,7 @@ static void ideapad_sync_touchpad_state(struct acpi_device *adevice)
        }
 }
 
-static int __devinit ideapad_acpi_add(struct acpi_device *adevice)
+static int ideapad_acpi_add(struct acpi_device *adevice)
 {
        int ret, i;
        int cfg;
@@ -798,7 +834,7 @@ platform_failed:
        return ret;
 }
 
-static int __devexit ideapad_acpi_remove(struct acpi_device *adevice, int type)
+static int ideapad_acpi_remove(struct acpi_device *adevice, int type)
 {
        struct ideapad_private *priv = dev_get_drvdata(&adevice->dev);
        int i;
@@ -880,20 +916,8 @@ static struct acpi_driver ideapad_acpi_driver = {
        .drv.pm = &ideapad_pm,
        .owner = THIS_MODULE,
 };
-
-static int __init ideapad_acpi_module_init(void)
-{
-       return acpi_bus_register_driver(&ideapad_acpi_driver);
-}
-
-static void __exit ideapad_acpi_module_exit(void)
-{
-       acpi_bus_unregister_driver(&ideapad_acpi_driver);
-}
+module_acpi_driver(ideapad_acpi_driver);
 
 MODULE_AUTHOR("David Woodhouse <dwmw2@infradead.org>");
 MODULE_DESCRIPTION("IdeaPad ACPI Extras");
 MODULE_LICENSE("GPL");
-
-module_init(ideapad_acpi_module_init);
-module_exit(ideapad_acpi_module_exit);