Input: elantech - add support for elantech fast command
Starting with v3 hardware, the firmware supports this shorter
elantech_send_cmd. Teach the driver to use it.
Signed-off-by: JJ Ding <jj_ding@emc.com.tw>
Reviewed-by: Daniel Kurtz <djkurtz@chromium.org>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
diff --git a/drivers/input/mouse/elantech.h b/drivers/input/mouse/elantech.h
index 9e5f1aa..08d00bd 100644
--- a/drivers/input/mouse/elantech.h
+++ b/drivers/input/mouse/elantech.h
@@ -135,6 +135,7 @@
unsigned int width;
struct finger_pos mt[ETP_MAX_FINGERS];
unsigned char parity[256];
+ int (*send_cmd)(struct psmouse *psmouse, unsigned char c, unsigned char *param);
};
#ifdef CONFIG_MOUSE_PS2_ELANTECH