Input: trackpoint - add new trackpoint variant IDs

Add trackpoint variant IDs to allow supported control on Synaptics
trackpoints.
Signed-off-by: Vincent Huang <vincent.huang@tw.synaptics.com>
Link: https://lore.kernel.org/r/20200914120327.2592-1-vincent.huang@tw.synaptics.com
Cc: stable@vger.kernel.org
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>

drivers/input/mouse/trackpoint.c

@@ -21,6 +21,8 @@ static const char * const trackpoint_variants[] = {
 	[TP_VARIANT_ALPS]		= "ALPS",
 	[TP_VARIANT_ELAN]		= "Elan",
 	[TP_VARIANT_NXP]		= "NXP",
+	[TP_VARIANT_JYT_SYNAPTICS]	= "JYT_Synaptics",
+	[TP_VARIANT_SYNAPTICS]		= "Synaptics",
 };
 
 /*

drivers/input/mouse/trackpoint.h

@@ -28,6 +28,8 @@
 #define TP_VARIANT_ALPS			0x02
 #define TP_VARIANT_ELAN			0x03
 #define TP_VARIANT_NXP			0x04
+#define TP_VARIANT_JYT_SYNAPTICS	0x05
+#define TP_VARIANT_SYNAPTICS		0x06
 
 /*
  * Commands