Input: add ps2_drain() to libps2 to allow reading and discarding

[deliverable/linux.git] / drivers / input / mouse / alps.c

diff --git a/drivers/input/mouse/alps.c b/drivers/input/mouse/alps.c
index 2679a165d399118fd8224cd0cd5c23877b6dc471..ffdc823131928ef229143b1fafc6dccdbf1a2549 100644 (file)
--- a/drivers/input/mouse/alps.c
+++ b/drivers/input/mouse/alps.c
@@ -270,7 +270,6 @@ static struct alps_model_info *alps_get_model(struct psmouse *psmouse, int *vers
 static int alps_passthrough_mode(struct psmouse *psmouse, int enable)
 {
        struct ps2dev *ps2dev = &psmouse->ps2dev;
-       unsigned char param[3];
        int cmd = enable ? PSMOUSE_CMD_SETSCALE21 : PSMOUSE_CMD_SETSCALE11;
 
        if (ps2_command(ps2dev, NULL, cmd) ||
@@ -280,7 +279,7 @@ static int alps_passthrough_mode(struct psmouse *psmouse, int enable)
                return -1;
 
        /* we may get 3 more bytes, just ignore them */
-       ps2_command(ps2dev, param, 0x0300);
+       ps2_drain(ps2dev, 3, 100);
 
        return 0;
 }