From f848ef318f6a89b30f9c1edaed2413ffbc8d20ce Mon Sep 17 00:00:00 2001
From: David Herrmann <dh.herrmann@googlemail.com>
Date: Wed, 17 Aug 2011 11:43:23 +0200
Subject: [PATCH] --- yaml --- r: 263273 b: refs/heads/master c:
 2cb5e4bc530471e9596cd32390bf70c8ada13d9a h: refs/heads/master i:   263271:
 f6db90c6200ce2219add3f10952a61968a8657ec v: v3

---
 [refs]                          |  2 +-
 trunk/drivers/hid/hid-wiimote.c | 26 ++++++++++++++++++++++++++
 2 files changed, 27 insertions(+), 1 deletion(-)

diff --git a/[refs] b/[refs]
index 9f7ca517d4fd..6101e5ef6dc7 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 23a5a4a39eddbe515a832767a371cc54e82cc25e
+refs/heads/master: 2cb5e4bc530471e9596cd32390bf70c8ada13d9a
diff --git a/trunk/drivers/hid/hid-wiimote.c b/trunk/drivers/hid/hid-wiimote.c
index 29edd55d4bb0..84c9eb9c8e0d 100644
--- a/trunk/drivers/hid/hid-wiimote.c
+++ b/trunk/drivers/hid/hid-wiimote.c
@@ -57,7 +57,9 @@ struct wiimote_data {
 #define WIIPROTO_FLAG_LED(num) (WIIPROTO_FLAG_LED1 << (num - 1))
 
 enum wiiproto_reqs {
+	WIIPROTO_REQ_NULL = 0x0,
 	WIIPROTO_REQ_LED = 0x11,
+	WIIPROTO_REQ_DRM = 0x12,
 	WIIPROTO_REQ_DRM_K = 0x30,
 };
 
@@ -192,6 +194,30 @@ static void wiiproto_req_leds(struct wiimote_data *wdata, int leds)
 	wiimote_queue(wdata, cmd, sizeof(cmd));
 }
 
+/*
+ * Check what peripherals of the wiimote are currently
+ * active and select a proper DRM that supports all of
+ * the requested data inputs.
+ */
+static __u8 select_drm(struct wiimote_data *wdata)
+{
+	return WIIPROTO_REQ_DRM_K;
+}
+
+static void wiiproto_req_drm(struct wiimote_data *wdata, __u8 drm)
+{
+	__u8 cmd[3];
+
+	if (drm == WIIPROTO_REQ_NULL)
+		drm = select_drm(wdata);
+
+	cmd[0] = WIIPROTO_REQ_DRM;
+	cmd[1] = 0;
+	cmd[2] = drm;
+
+	wiimote_queue(wdata, cmd, sizeof(cmd));
+}
+
 static enum led_brightness wiimote_leds_get(struct led_classdev *led_dev)
 {
 	struct wiimote_data *wdata;