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-rw-r--r--drivers/hid/hid-wiimote.c26
1 files changed, 26 insertions, 0 deletions
diff --git a/drivers/hid/hid-wiimote.c b/drivers/hid/hid-wiimote.c
index 29edd55..84c9eb9 100644
--- a/drivers/hid/hid-wiimote.c
+++ b/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;