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Input: synaptics - fix compile warning

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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: JJ Ding <dgdunix@gmail.com>
Reviewed-by: Daniel Kurtz <djkurtz@chromium.org>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
This commit is contained in:
JJ Ding 2012-05-10 22:32:00 -07:00 committed by Dmitry Torokhov
parent f4eea7e213
commit 1a49a0a04d
1 changed files with 10 additions and 10 deletions
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20
drivers/input/mouse/synaptics.c
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@ -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
*/