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authorLen Brown <len.brown@intel.com>2009-12-24 01:17:46 -0500
committerLen Brown <len.brown@intel.com>2009-12-24 01:17:46 -0500
commit78a5331dddcffabadef024ccc051f7a519b13238 (patch)
tree612915bee76ab646d1d281b8ab8c556ad0a4e337
parentfe7fa9c51a76cf67934c2e77dc9d84800c9fbf79 (diff)
parent8e698a3c47887fe5aa5e2252c27bb6ff416a07e4 (diff)
downloadlinux-linaro-78a5331dddcffabadef024ccc051f7a519b13238.tar.gz
Merge branch 'tc1100-wmi' into release
-rw-r--r--drivers/platform/x86/tc1100-wmi.c115
1 files changed, 55 insertions, 60 deletions
diff --git a/drivers/platform/x86/tc1100-wmi.c b/drivers/platform/x86/tc1100-wmi.c
index 44166003d4e..dd33b51c348 100644
--- a/drivers/platform/x86/tc1100-wmi.c
+++ b/drivers/platform/x86/tc1100-wmi.c
@@ -47,22 +47,6 @@ MODULE_DESCRIPTION("HP Compaq TC1100 Tablet WMI Extras");
MODULE_LICENSE("GPL");
MODULE_ALIAS("wmi:C364AC71-36DB-495A-8494-B439D472A505");
-static int tc1100_probe(struct platform_device *device);
-static int tc1100_remove(struct platform_device *device);
-static int tc1100_suspend(struct platform_device *device, pm_message_t state);
-static int tc1100_resume(struct platform_device *device);
-
-static struct platform_driver tc1100_driver = {
- .driver = {
- .name = "tc1100-wmi",
- .owner = THIS_MODULE,
- },
- .probe = tc1100_probe,
- .remove = tc1100_remove,
- .suspend = tc1100_suspend,
- .resume = tc1100_resume,
-};
-
static struct platform_device *tc1100_device;
struct tc1100_data {
@@ -183,51 +167,35 @@ static DEVICE_ATTR(value, S_IWUGO | S_IRUGO | S_IWUSR, \
show_set_bool(wireless, TC1100_INSTANCE_WIRELESS);
show_set_bool(jogdial, TC1100_INSTANCE_JOGDIAL);
-static void remove_fs(void)
-{
- device_remove_file(&tc1100_device->dev, &dev_attr_wireless);
- device_remove_file(&tc1100_device->dev, &dev_attr_jogdial);
-}
-
-static int add_fs(void)
-{
- int ret;
-
- ret = device_create_file(&tc1100_device->dev, &dev_attr_wireless);
- if (ret)
- goto add_sysfs_error;
-
- ret = device_create_file(&tc1100_device->dev, &dev_attr_jogdial);
- if (ret)
- goto add_sysfs_error;
-
- return ret;
+static struct attribute *tc1100_attributes[] = {
+ &dev_attr_wireless.attr,
+ &dev_attr_jogdial.attr,
+ NULL
+};
-add_sysfs_error:
- remove_fs();
- return ret;
-}
+static struct attribute_group tc1100_attribute_group = {
+ .attrs = tc1100_attributes,
+};
/* --------------------------------------------------------------------------
Driver Model
-------------------------------------------------------------------------- */
-static int tc1100_probe(struct platform_device *device)
+static int __init tc1100_probe(struct platform_device *device)
{
- int result = 0;
-
- result = add_fs();
- return result;
+ return sysfs_create_group(&device->dev.kobj, &tc1100_attribute_group);
}
-static int tc1100_remove(struct platform_device *device)
+static int __devexit tc1100_remove(struct platform_device *device)
{
- remove_fs();
+ sysfs_remove_group(&device->dev.kobj, &tc1100_attribute_group);
+
return 0;
}
-static int tc1100_suspend(struct platform_device *dev, pm_message_t state)
+#ifdef CONFIG_PM
+static int tc1100_suspend(struct device *dev)
{
int ret;
@@ -239,10 +207,10 @@ static int tc1100_suspend(struct platform_device *dev, pm_message_t state)
if (ret)
return ret;
- return ret;
+ return 0;
}
-static int tc1100_resume(struct platform_device *dev)
+static int tc1100_resume(struct device *dev)
{
int ret;
@@ -254,34 +222,61 @@ static int tc1100_resume(struct platform_device *dev)
if (ret)
return ret;
- return ret;
+ return 0;
}
+static const struct dev_pm_ops tc1100_pm_ops = {
+ .suspend = tc1100_suspend,
+ .resume = tc1100_resume,
+ .freeze = tc1100_suspend,
+ .restore = tc1100_resume,
+};
+#endif
+
+static struct platform_driver tc1100_driver = {
+ .driver = {
+ .name = "tc1100-wmi",
+ .owner = THIS_MODULE,
+#ifdef CONFIG_PM
+ .pm = &tc1100_pm_ops,
+#endif
+ },
+ .remove = __devexit_p(tc1100_remove),
+};
+
static int __init tc1100_init(void)
{
- int result = 0;
+ int error;
if (!wmi_has_guid(GUID))
return -ENODEV;
- result = platform_driver_register(&tc1100_driver);
- if (result)
- return result;
-
tc1100_device = platform_device_alloc("tc1100-wmi", -1);
- platform_device_add(tc1100_device);
+ if (!tc1100_device)
+ return -ENOMEM;
+
+ error = platform_device_add(tc1100_device);
+ if (error)
+ goto err_device_put;
+
+ error = platform_driver_probe(&tc1100_driver, tc1100_probe);
+ if (error)
+ goto err_device_del;
printk(TC1100_INFO "HP Compaq TC1100 Tablet WMI Extras loaded\n");
+ return 0;
- return result;
+ err_device_del:
+ platform_device_del(tc1100_device);
+ err_device_put:
+ platform_device_put(tc1100_device);
+ return error;
}
static void __exit tc1100_exit(void)
{
- platform_device_del(tc1100_device);
+ platform_device_unregister(tc1100_device);
platform_driver_unregister(&tc1100_driver);
-
- printk(TC1100_INFO "HP Compaq TC1100 Tablet WMI Extras unloaded\n");
}
module_init(tc1100_init);