HID: wiimote: Add read-mem helpers
Add helper functions similar to the write-mem helpers but for reading wiimote
memory and eeprom.
Signed-off-by: David Herrmann <dh.herrmann@googlemail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
diff --git a/drivers/hid/hid-wiimote.h b/drivers/hid/hid-wiimote.h
index d78f79c..865740d 100644
--- a/drivers/hid/hid-wiimote.h
+++ b/drivers/hid/hid-wiimote.h
@@ -62,6 +62,8 @@
/* results of synchronous requests */
__u8 cmd_battery;
__u8 cmd_err;
+ __u8 *cmd_read_buf;
+ __u8 cmd_read_size;
};
struct wiimote_data {
@@ -113,6 +115,8 @@
extern void wiiproto_req_drm(struct wiimote_data *wdata, __u8 drm);
extern int wiimote_cmd_write(struct wiimote_data *wdata, __u32 offset,
const __u8 *wmem, __u8 size);
+extern ssize_t wiimote_cmd_read(struct wiimote_data *wdata, __u32 offset,
+ __u8 *rmem, __u8 size);
/* requires the state.lock spinlock to be held */
static inline bool wiimote_cmd_pending(struct wiimote_data *wdata, int cmd,
