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Commit 1a49a0a0 authored by JJ Ding's avatar JJ Ding Committed by Dmitry Torokhov
Browse files

Input: synaptics - fix compile warning 



Move synaptics_invert_y() inside CONFIG_MOUSE_PS2_SYNAPTICS to get rid of
a compile warning when we don't select synaptics support.

drivers/input/mouse/synaptics.c:53:12: warning: ‘synaptics_invert_y’ defined but not used [-Wunused-function]

Signed-off-by: default avatarJJ Ding <dgdunix@gmail.com>
Reviewed-by: default avatarDaniel Kurtz <djkurtz@chromium.org>
Signed-off-by: default avatarDmitry Torokhov <dtor@mail.ru>
parent f4eea7e2

drivers/input/mouse/synaptics.c

+10 −10
Original line number Diff line number Diff line
@@ -45,16 +45,6 @@ 
#define YMIN_NOMINAL 1408

#define YMAX_NOMINAL 4448



/*

 * Synaptics touchpads report the y coordinate from bottom to top, which is

 * opposite from what userspace expects.

 * This function is used to invert y before reporting.

 */

static int synaptics_invert_y(int y)

{

	return YMAX_NOMINAL + YMIN_NOMINAL - y;

}





/*****************************************************************************

 *	Stuff we need even when we do not want native Synaptics support
@@ -111,6 +101,16 @@ void synaptics_reset(struct psmouse *psmouse) 
 *	Synaptics communications functions

 ****************************************************************************/



/*

 * Synaptics touchpads report the y coordinate from bottom to top, which is

 * opposite from what userspace expects.

 * This function is used to invert y before reporting.

 */

static int synaptics_invert_y(int y)

{

	return YMAX_NOMINAL + YMIN_NOMINAL - y;

}



/*

 * Send a command to the synpatics touchpad by special commands

 */