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authorDavid Herrmann <dh.herrmann@googlemail.com>2011-11-17 14:12:10 +0100
committerJiri Kosina <jkosina@suse.cz>2011-11-22 23:10:26 +0100
commit43e5e7c60ee7039f538ccfaaa4e99829719d9bea (patch)
treec97a33352738f583e8f0c563af733914e02b147a /drivers/hid/hid-wiimote.h
parentHID: wiimote: Parse classic controller data (diff)
downloadlinux-43e5e7c60ee7039f538ccfaaa4e99829719d9bea.tar.xz
linux-43e5e7c60ee7039f538ccfaaa4e99829719d9bea.zip
HID: wiimote: Add debugfs support stubs
Add initializer and deinitializer for debugfs support. This will later allow raw eeprom access and direct DRM modifications to debug wiimote behaviour and further protocol reverse-engineerings. Signed-off-by: David Herrmann <dh.herrmann@googlemail.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Diffstat (limited to 'drivers/hid/hid-wiimote.h')
-rw-r--r--drivers/hid/hid-wiimote.h13
1 files changed, 13 insertions, 0 deletions
diff --git a/drivers/hid/hid-wiimote.h b/drivers/hid/hid-wiimote.h
index 1f3e53a3a148..89b8851dbf1f 100644
--- a/drivers/hid/hid-wiimote.h
+++ b/drivers/hid/hid-wiimote.h
@@ -74,6 +74,7 @@ struct wiimote_data {
struct input_dev *ir;
struct power_supply battery;
struct wiimote_ext *ext;
+ struct wiimote_debug *debug;
spinlock_t qlock;
__u8 head;
@@ -137,6 +138,18 @@ static inline void wiiext_handle(void *u, const __u8 *p) { }
#endif
+#ifdef CONFIG_DEBUG_FS
+
+extern int wiidebug_init(struct wiimote_data *wdata);
+extern void wiidebug_deinit(struct wiimote_data *wdata);
+
+#else
+
+static inline int wiidebug_init(void *u) { return 0; }
+static inline void wiidebug_deinit(void *u) { }
+
+#endif
+
/* requires the state.lock spinlock to be held */
static inline bool wiimote_cmd_pending(struct wiimote_data *wdata, int cmd,
__u32 opt)