---

yaml
---
r: 53439
b: refs/heads/master
c: b5b16c5
h: refs/heads/master
i:
  53437: daea1b0
  53435: 411afcf
  53431: d48592b
  53423: 4144c95
  53407: 95eba17
  53375: b493e10
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 293e6392d72dfaef1f6aef605769869512bec45d
+refs/heads/master: b5b16c5296c3276bb409a948173d557241b74379

trunk/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);
 }
@@ -571,7 +574,15 @@ 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);