1 files changed, 19 insertions, 7 deletions

diff --git a/drivers/input/touchscreen/ucb1400_ts.c b/drivers/input/touchscreen/ucb1400_ts.c
index e8606c48c9c3..6582816a0477 100644
--- a/drivers/input/touchscreen/ucb1400_ts.c
+++ b/drivers/input/touchscreen/ucb1400_ts.c
@@ -97,6 +97,8 @@ struct ucb1400 {
 };
 
 static int adcsync;
+static int ts_delay = 55; /* us */
+static int ts_delay_pressure;   /* us */
 
 static inline u16 ucb1400_reg_read(struct ucb1400 *ucb, u16 reg)
 {
@@ -159,6 +161,7 @@ static inline unsigned int ucb1400_ts_read_pressure(struct ucb1400 *ucb)
                         UCB_TS_CR_TSMX_POW | UCB_TS_CR_TSPX_POW |
                         UCB_TS_CR_TSMY_GND | UCB_TS_CR_TSPY_GND |
                         UCB_TS_CR_MODE_PRES | UCB_TS_CR_BIAS_ENA);
+        udelay(ts_delay_pressure);
         return ucb1400_adc_read(ucb, UCB_ADC_INP_TSPY);
 }
 
@@ -180,7 +183,7 @@ static inline unsigned int ucb1400_ts_read_xpos(struct ucb1400 *ucb)
                         UCB_TS_CR_TSMX_GND | UCB_TS_CR_TSPX_POW |
                         UCB_TS_CR_MODE_POS | UCB_TS_CR_BIAS_ENA);
 
-        udelay(55);
+        udelay(ts_delay);
 
         return ucb1400_adc_read(ucb, UCB_ADC_INP_TSPY);
 }
@@ -203,7 +206,7 @@ static inline unsigned int ucb1400_ts_read_ypos(struct ucb1400 *ucb)
                         UCB_TS_CR_TSMY_GND | UCB_TS_CR_TSPY_POW |
                         UCB_TS_CR_MODE_POS | UCB_TS_CR_BIAS_ENA);
 
-        udelay(55);
+        udelay(ts_delay);
 
         return ucb1400_adc_read(ucb, UCB_ADC_INP_TSPX);
 }
@@ -369,7 +372,7 @@ static irqreturn_t ucb1400_hard_irq(int irqnr, void *devid)
 
 static int ucb1400_ts_open(struct input_dev *idev)
 {
-        struct ucb1400 *ucb = idev->private;
+        struct ucb1400 *ucb = input_get_drvdata(idev);
         int ret = 0;
 
         BUG_ON(ucb->ts_task);
@@ -385,7 +388,7 @@ static int ucb1400_ts_open(struct input_dev *idev)
 
 static void ucb1400_ts_close(struct input_dev *idev)
 {
-        struct ucb1400 *ucb = idev->private;
+        struct ucb1400 *ucb = input_get_drvdata(idev);
 
         if (ucb->ts_task)
                 kthread_stop(ucb->ts_task);
@@ -507,8 +510,9 @@ static int ucb1400_ts_probe(struct device *dev)
         }
         printk(KERN_DEBUG "UCB1400: found IRQ %d\n", ucb->irq);
 
-        idev->private           = ucb;
-        idev->cdev.dev          = dev;
+        input_set_drvdata(idev, ucb);
+
+        idev->dev.parent        = dev;
         idev->name              = "UCB1400 touchscreen interface";
         idev->id.vendor         = ucb1400_reg_read(ucb, AC97_VENDOR_ID1);
         idev->id.product        = id;
@@ -571,7 +575,15 @@ static void __exit ucb1400_ts_exit(void)
         driver_unregister(&ucb1400_ts_driver);
 }
 
-module_param(adcsync, int, 0444);
+module_param(adcsync, bool, 0444);
+MODULE_PARM_DESC(adcsync, "Synchronize touch readings with ADCSYNC pin.");
+
+module_param(ts_delay, int, 0444);
+MODULE_PARM_DESC(ts_delay, "Delay between panel setup and position read. Default = 55us.");
+
+module_param(ts_delay_pressure, int, 0444);
+MODULE_PARM_DESC(ts_delay_pressure,
+                  "delay between panel setup and pressure read.  Default = 0us.");
 
 module_init(ucb1400_ts_init);
 module_exit(ucb1400_ts_exit);