[Precise PATCH 1/6] Input: psmouse - allow drivers to use psmouse_{de, }activate

[Eric Miao]

From: Andres Salomon <dilinger at queued.net>

Other drivers duplicate this code; no sense in having it be private
to psmouse-base.

Signed-off-by: Andres Salomon <dilinger at queued.net>
Signed-off-by: Dmitry Torokhov <dtor at mail.ru>
---
 drivers/input/mouse/psmouse-base.c |   15 ++++++++++-----
 drivers/input/mouse/psmouse.h      |    2 ++
 2 files changed, 12 insertions(+), 5 deletions(-)

diff --git a/drivers/input/mouse/psmouse-base.c b/drivers/input/mouse/psmouse-base.c
index 9f352fb..f554f85 100644
--- a/drivers/input/mouse/psmouse-base.c
+++ b/drivers/input/mouse/psmouse-base.c
@@ -1011,28 +1011,33 @@ static void psmouse_initialize(struct psmouse *psmouse)
  * psmouse_activate() enables the mouse so that we get motion reports from it.
  */
 
-static void psmouse_activate(struct psmouse *psmouse)
+int psmouse_activate(struct psmouse *psmouse)
 {
-	if (ps2_command(&psmouse->ps2dev, NULL, PSMOUSE_CMD_ENABLE))
+	if (ps2_command(&psmouse->ps2dev, NULL, PSMOUSE_CMD_ENABLE)) {
 		psmouse_warn(psmouse, "Failed to enable mouse on %s\n",
 			     psmouse->ps2dev.serio->phys);
+		return -1;
+	}
 
 	psmouse_set_state(psmouse, PSMOUSE_ACTIVATED);
+	return 0;
 }
 
-
 /*
  * psmouse_deactivate() puts the mouse into poll mode so that we don't get motion
  * reports from it unless we explicitly request it.
  */
 
-static void psmouse_deactivate(struct psmouse *psmouse)
+int psmouse_deactivate(struct psmouse *psmouse)
 {
-	if (ps2_command(&psmouse->ps2dev, NULL, PSMOUSE_CMD_DISABLE))
+	if (ps2_command(&psmouse->ps2dev, NULL, PSMOUSE_CMD_DISABLE)) {
 		psmouse_warn(psmouse, "Failed to deactivate mouse on %s\n",
 			     psmouse->ps2dev.serio->phys);
+		return -1;
+	}
 
 	psmouse_set_state(psmouse, PSMOUSE_CMD_MODE);
+	return 0;
 }
 
 /*
diff --git a/drivers/input/mouse/psmouse.h b/drivers/input/mouse/psmouse.h
index 11a9c6c..56d784b 100644
--- a/drivers/input/mouse/psmouse.h
+++ b/drivers/input/mouse/psmouse.h
@@ -103,6 +103,8 @@ int psmouse_sliced_command(struct psmouse *psmouse, unsigned char command);
 int psmouse_reset(struct psmouse *psmouse);
 void psmouse_set_state(struct psmouse *psmouse, enum psmouse_state new_state);
 void psmouse_set_resolution(struct psmouse *psmouse, unsigned int resolution);
+int psmouse_activate(struct psmouse *psmouse);
+int psmouse_deactivate(struct psmouse *psmouse);
 
 struct psmouse_attribute {
 	struct device_attribute dattr;
-- 
1.7.9.1