platform/x86: asus-wmi: Add support for SW_TABLET_MODE

[sfrench/cifs-2.6.git] / drivers / platform / x86 / asus-wmi.c

diff --git a/drivers/platform/x86/asus-wmi.c b/drivers/platform/x86/asus-wmi.c
index 91d0c8be63a58d1207939c8533062cfbec5339c9..a97aba2ba4670d15d0eff021ea44d8a74b7c7809 100644 (file)
--- a/drivers/platform/x86/asus-wmi.c
+++ b/drivers/platform/x86/asus-wmi.c
@@ -57,6 +57,7 @@ MODULE_LICENSE("GPL");
 #define NOTIFY_BRNDOWN_MIN             0x20
 #define NOTIFY_BRNDOWN_MAX             0x2e
 #define NOTIFY_FNLOCK_TOGGLE           0x4e
+#define NOTIFY_KBD_DOCK_CHANGE         0x75
 #define NOTIFY_KBD_BRTUP               0xc4
 #define NOTIFY_KBD_BRTDWN              0xc5
 #define NOTIFY_KBD_BRTTOGGLE           0xc7
@@ -346,7 +347,7 @@ static bool asus_wmi_dev_is_present(struct asus_wmi *asus, u32 dev_id)
 
 static int asus_wmi_input_init(struct asus_wmi *asus)
 {
-       int err;
+       int err, result;
 
        asus->inputdev = input_allocate_device();
        if (!asus->inputdev)
@@ -362,6 +363,14 @@ static int asus_wmi_input_init(struct asus_wmi *asus)
        if (err)
                goto err_free_dev;
 
+       result = asus_wmi_get_devstate_simple(asus, ASUS_WMI_DEVID_KBD_DOCK);
+       if (result >= 0) {
+               input_set_capability(asus->inputdev, EV_SW, SW_TABLET_MODE);
+               input_report_switch(asus->inputdev, SW_TABLET_MODE, !result);
+       } else if (result != -ENODEV) {
+               pr_err("Error checking for keyboard-dock: %d\n", result);
+       }
+
        err = input_register_device(asus->inputdev);
        if (err)
                goto err_free_dev;
@@ -2055,9 +2064,9 @@ static int asus_wmi_get_event_code(u32 value)
 
 static void asus_wmi_handle_event_code(int code, struct asus_wmi *asus)
 {
-       int orig_code;
        unsigned int key_value = 1;
        bool autorelease = 1;
+       int result, orig_code;
 
        orig_code = code;
 
@@ -2102,6 +2111,17 @@ static void asus_wmi_handle_event_code(int code, struct asus_wmi *asus)
                return;
        }
 
+       if (code == NOTIFY_KBD_DOCK_CHANGE) {
+               result = asus_wmi_get_devstate_simple(asus,
+                                                     ASUS_WMI_DEVID_KBD_DOCK);
+               if (result >= 0) {
+                       input_report_switch(asus->inputdev, SW_TABLET_MODE,
+                                           !result);
+                       input_sync(asus->inputdev);
+               }
+               return;
+       }
+
        if (asus->fan_boost_mode_available && code == NOTIFY_KBD_FBM) {
                fan_boost_mode_switch_next(asus);
                return;