asus-laptop: add GLED

Add support for "gaming" led.

Signed-off-by: Corentin Chary <corentincj@iksaif.net>
Signed-off-by: Len Brown <len.brown@intel.com>

1 files changed, 14 insertions, 1 deletions

diff --git a/drivers/misc/asus-laptop.c b/drivers/misc/asus-laptop.c
index 3ba579899ac7..475709b8d391 100644
--- a/drivers/misc/asus-laptop.c
+++ b/drivers/misc/asus-laptop.c
@@ -81,7 +81,8 @@
 #define TLED_ON     0x08        //touchpad LED
 #define RLED_ON     0x10        //Record LED
 #define PLED_ON     0x20        //Phone LED
-#define LCD_ON      0x40        //LCD backlight
+#define GLED_ON     0x40        //Gaming LED
+#define LCD_ON      0x80        //LCD backlight
 
 #define ASUS_LOG    ASUS_HOTK_FILE ": "
 #define ASUS_ERR    KERN_ERR    ASUS_LOG
@@ -103,6 +104,7 @@ ASUS_HANDLE(mled_set, ASUS_HOTK_PREFIX "MLED");
 ASUS_HANDLE(tled_set, ASUS_HOTK_PREFIX "TLED");
 ASUS_HANDLE(rled_set, ASUS_HOTK_PREFIX "RLED"); /* W1JC */
 ASUS_HANDLE(pled_set, ASUS_HOTK_PREFIX "PLED"); /* A7J */
+ASUS_HANDLE(gled_set, ASUS_HOTK_PREFIX "GLED"); /* G1, G2 (probably) */
 
 /* LEDD */
 ASUS_HANDLE(ledd_set, ASUS_HOTK_PREFIX "SLCM");
@@ -221,6 +223,7 @@ ASUS_LED(mled, "mail");
 ASUS_LED(tled, "touchpad");
 ASUS_LED(rled, "record");
 ASUS_LED(pled, "phone");
+ASUS_LED(gled, "gaming");
 
 /*
  * This function evaluates an ACPI method, given an int as parameter, the
@@ -280,6 +283,9 @@ static void write_status(acpi_handle handle, int out, int mask)
         case MLED_ON:
                 out = !out & 0x1;
                 break;
+        case GLED_ON:
+                out = (out & 0x1) + 1;
+                break;
         default:
                 out &= 0x1;
                 break;
@@ -307,6 +313,7 @@ ASUS_LED_HANDLER(mled, MLED_ON);
 ASUS_LED_HANDLER(pled, PLED_ON);
 ASUS_LED_HANDLER(rled, RLED_ON);
 ASUS_LED_HANDLER(tled, TLED_ON);
+ASUS_LED_HANDLER(gled, GLED_ON);
 
 static int get_lcd_state(void)
 {
@@ -835,6 +842,7 @@ static int asus_hotk_get_info(void)
         ASUS_HANDLE_INIT(tled_set);
         ASUS_HANDLE_INIT(rled_set);
         ASUS_HANDLE_INIT(pled_set);
+        ASUS_HANDLE_INIT(gled_set);
 
         ASUS_HANDLE_INIT(ledd_set);
 
@@ -1001,6 +1009,7 @@ static void asus_led_exit(void)
         ASUS_LED_UNREGISTER(tled);
         ASUS_LED_UNREGISTER(pled);
         ASUS_LED_UNREGISTER(rled);
+        ASUS_LED_UNREGISTER(gled);
 
         destroy_workqueue(led_workqueue);
 }
@@ -1072,6 +1081,10 @@ static int asus_led_init(struct device *dev)
         if (rv)
                 return rv;
 
+        rv = ASUS_LED_REGISTER(gled, dev);
+        if (rv)
+                return rv;
+
         led_workqueue = create_singlethread_workqueue("led_workqueue");
         if (!led_workqueue)
                 return -ENOMEM;