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path: root/drivers/platform/x86/eeepc-wmi.c
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Diffstat (limited to 'drivers/platform/x86/eeepc-wmi.c')
-rw-r--r--drivers/platform/x86/eeepc-wmi.c56
1 files changed, 56 insertions, 0 deletions
diff --git a/drivers/platform/x86/eeepc-wmi.c b/drivers/platform/x86/eeepc-wmi.c
index 9dc50fbf3d0b..462ceab93f87 100644
--- a/drivers/platform/x86/eeepc-wmi.c
+++ b/drivers/platform/x86/eeepc-wmi.c
@@ -57,6 +57,7 @@ MODULE_ALIAS("wmi:"EEEPC_WMI_MGMT_GUID);
#define EEEPC_WMI_METHODID_DEVS 0x53564544
#define EEEPC_WMI_METHODID_DSTS 0x53544344
+#define EEEPC_WMI_METHODID_CFVS 0x53564643
#define EEEPC_WMI_DEVID_BACKLIGHT 0x00050012
@@ -69,6 +70,11 @@ static const struct key_entry eeepc_wmi_keymap[] = {
{ KE_IGNORE, NOTIFY_BRNDOWN_MIN, { KEY_BRIGHTNESSDOWN } },
{ KE_IGNORE, NOTIFY_BRNUP_MIN, { KEY_BRIGHTNESSUP } },
{ KE_KEY, 0xcc, { KEY_SWITCHVIDEOMODE } },
+ { KE_KEY, 0x6b, { KEY_F13 } }, /* Disable Touchpad */
+ { KE_KEY, 0xe1, { KEY_F14 } },
+ { KE_KEY, 0xe9, { KEY_DISPLAY_OFF } },
+ { KE_KEY, 0xe0, { KEY_PROG1 } },
+ { KE_KEY, 0x5c, { KEY_F15 } },
{ KE_END, 0},
};
@@ -292,6 +298,49 @@ static void eeepc_wmi_notify(u32 value, void *context)
kfree(obj);
}
+static int store_cpufv(struct device *dev, struct device_attribute *attr,
+ const char *buf, size_t count)
+{
+ int value;
+ struct acpi_buffer input = { (acpi_size)sizeof(value), &value };
+ acpi_status status;
+
+ if (!count || sscanf(buf, "%i", &value) != 1)
+ return -EINVAL;
+ if (value < 0 || value > 2)
+ return -EINVAL;
+
+ status = wmi_evaluate_method(EEEPC_WMI_MGMT_GUID,
+ 1, EEEPC_WMI_METHODID_CFVS, &input, NULL);
+
+ if (ACPI_FAILURE(status))
+ return -EIO;
+ else
+ return count;
+}
+
+static DEVICE_ATTR(cpufv, S_IRUGO | S_IWUSR, NULL, store_cpufv);
+
+static void eeepc_wmi_sysfs_exit(struct platform_device *device)
+{
+ device_remove_file(&device->dev, &dev_attr_cpufv);
+}
+
+static int eeepc_wmi_sysfs_init(struct platform_device *device)
+{
+ int retval = -ENOMEM;
+
+ retval = device_create_file(&device->dev, &dev_attr_cpufv);
+ if (retval)
+ goto error_sysfs;
+
+ return 0;
+
+error_sysfs:
+ eeepc_wmi_sysfs_exit(platform_device);
+ return retval;
+}
+
static int __devinit eeepc_wmi_platform_probe(struct platform_device *device)
{
struct eeepc_wmi *eeepc;
@@ -387,8 +436,14 @@ static int __init eeepc_wmi_init(void)
goto del_dev;
}
+ err = eeepc_wmi_sysfs_init(platform_device);
+ if (err)
+ goto del_sysfs;
+
return 0;
+del_sysfs:
+ eeepc_wmi_sysfs_exit(platform_device);
del_dev:
platform_device_del(platform_device);
put_dev:
@@ -403,6 +458,7 @@ static void __exit eeepc_wmi_exit(void)
{
struct eeepc_wmi *eeepc;
+ eeepc_wmi_sysfs_exit(platform_device);
eeepc = platform_get_drvdata(platform_device);
platform_driver_unregister(&platform_driver);
platform_device_unregister(platform_device);