Input: psmouse - add module parameters to control OLPC touchpad delays

[cascardo/linux.git] / drivers / input / mouse / hgpk.c

diff --git a/drivers/input/mouse/hgpk.c b/drivers/input/mouse/hgpk.c
index 88f04bf..81e6ebf 100644 (file)
--- a/drivers/input/mouse/hgpk.c
+++ b/drivers/input/mouse/hgpk.c
@@ -48,6 +48,30 @@ module_param(recalib_delta, int, 0644);
 MODULE_PARM_DESC(recalib_delta,
        "packets containing a delta this large will cause a recalibration.");
 
+static int jumpy_delay = 1000;
+module_param(jumpy_delay, int, 0644);
+MODULE_PARM_DESC(jumpy_delay,
+       "delay (ms) before recal after jumpiness detected");
+
+static int spew_delay = 1000;
+module_param(spew_delay, int, 0644);
+MODULE_PARM_DESC(spew_delay,
+       "delay (ms) before recal after packet spew detected");
+
+static int recal_guard_time = 2000;
+module_param(recal_guard_time, int, 0644);
+MODULE_PARM_DESC(recal_guard_time,
+       "interval (ms) during which recal will be restarted if packet received");
+
+static int post_interrupt_delay = 1000;
+module_param(post_interrupt_delay, int, 0644);
+MODULE_PARM_DESC(post_interrupt_delay,
+       "delay (ms) before recal after recal interrupt detected");
+
+static int autorecal = 1;
+module_param(autorecal, int, 0644);
+MODULE_PARM_DESC(autorecal, "enable recalibration in the driver");
+
 /*
  * When the touchpad gets ultra-sensitive, one can keep their finger 1/2"
  * above the pad and still have it send packets.  This causes a jump cursor
@@ -66,7 +90,7 @@ static void hgpk_jumpy_hack(struct psmouse *psmouse, int x, int y)
                /* My car gets forty rods to the hogshead and that's the
                 * way I likes it! */
                psmouse_queue_work(psmouse, &priv->recalib_wq,
-                               msecs_to_jiffies(1000));
+                               msecs_to_jiffies(jumpy_delay));
        }
 }
 
@@ -103,7 +127,7 @@ static void hgpk_spewing_hack(struct psmouse *psmouse,
                        hgpk_dbg(psmouse, "packet spew detected (%d,%d)\n",
                                 priv->x_tally, priv->y_tally);
                        psmouse_queue_work(psmouse, &priv->recalib_wq,
-                                          msecs_to_jiffies(1000));
+                                          msecs_to_jiffies(spew_delay));
                }
                /* reset every 100 packets */
                priv->count = 0;
@@ -181,7 +205,7 @@ static psmouse_ret_t hgpk_process_byte(struct psmouse *psmouse)
                                 "packet inside calibration window, "
                                 "queueing another recalibration\n");
                        psmouse_queue_work(psmouse, &priv->recalib_wq,
-                                       msecs_to_jiffies(1000));
+                                       msecs_to_jiffies(post_interrupt_delay));
                }
                priv->recalib_window = 0;
        }
@@ -231,7 +255,7 @@ static int hgpk_force_recalibrate(struct psmouse *psmouse)
         * If someone's finger *was* on the touchpad, it's probably
         * miscalibrated.  So, we should schedule another recalibration
         */
-       priv->recalib_window = jiffies +  msecs_to_jiffies(2000);
+       priv->recalib_window = jiffies +  msecs_to_jiffies(recal_guard_time);
 
        return 0;
 }