--- linux-2.6.16/drivers/input/touchscreen/pcap_ts.c.orig	2006-07-20 10:45:10.000000000 +0800
+++ linux-2.6.16/drivers/input/touchscreen/pcap_ts.c	2006-07-27 14:23:39.000000000 +0800
@@ -61,6 +61,8 @@
 #define PRESSURE_MAX	X_AXIS_MAX
 #define PRESSURE_MIN	X_AXIS_MIN
 
+#define SAMPLE_INTERVAL		(HZ/100)
+
 static int pcap_ts_mode(u_int32_t mode)
 {
 	int ret;
@@ -154,8 +156,6 @@
 		pcap_ts->x, pcap_ts->y, pcap_ts->pressure);
 
 	if (pcap_ts->read_state == PRESSURE) {
-		input_report_abs(pcap_ts->input, ABS_PRESSURE,
-				 pcap_ts->pressure);
 		if ((pcap_ts->pressure >= PRESSURE_MAX ||
 		     pcap_ts->pressure <= PRESSURE_MIN ) &&
 		    pcap_ts->pressure == pcap_ts->pressure_last) {
@@ -163,6 +163,8 @@
 			input_report_key(pcap_ts->input, BTN_TOUCH, 0);
 			input_sync(pcap_ts->input);
 
+			input_report_abs(pcap_ts->input, ABS_PRESSURE, 0);
+
 			pcap_ts->x = pcap_ts->y = 0;
 
 			/* ask PCAP2 to interrupt us if touch event happens
@@ -179,18 +181,24 @@
 			input_report_key(pcap_ts->input, BTN_TOUCH, 1);
 			/* don't input_sync(), we don't know position yet */
 
+			if (pcap_ts->pressure == 0) 
+				pcap_ts->pressure = pcap_ts->pressure_last;
+
+			input_report_abs(pcap_ts->input, ABS_PRESSURE,
+				pcap_ts->pressure);
+
 			/* switch state machine into coordinate read mode */
 			pcap_ts->read_state = COORDINATE;
 			pcap_ts_mode(PCAP_TS_POSITION_XY_MEASUREMENT);
 			pcap_ts_start_xy_read(pcap_ts);
-
-			mod_timer(&pcap_ts->timer, jiffies + HZ/20);
 		}
 	} else {
 		/* we are in coordinate mode */
 		if (pcap_ts->x <= X_AXIS_MIN || pcap_ts->x >= X_AXIS_MAX ||
 		    pcap_ts->y <= Y_AXIS_MIN || pcap_ts->y >= Y_AXIS_MAX) {
 			DEBUGP("invalid x/y coordinate position: PEN_UP?\n");
+
+			pcap_ts->pressure = 0;
 #if 0
 			input_report_key(pcap_ts->input, BTN_TOUCH, 0);
 			pcap_ts->x = pcap_ts->y = 0;
@@ -203,8 +211,8 @@
 
 		/* switch back to pressure read mode */
 		pcap_ts->read_state = PRESSURE;
-		pcap_ts_mode(PCAP_TS_STANDBY_MODE);
-		ezx_pcap_bit_set(SSP_PCAP_ADJ_BIT_MSR_TSM, 0);
+		pcap_ts_mode(PCAP_TS_PRESSURE_MEASUREMENT);
+		mod_timer(&pcap_ts->timer, jiffies + SAMPLE_INTERVAL);
 	}
 
 	return IRQ_HANDLED;
@@ -231,9 +239,6 @@
 {
 	struct pcap_ts *pcap_ts = (struct pcap_ts *) data;
 
-	ezx_pcap_bit_set(SSP_PCAP_ADJ_BIT_MSR_TSM, 1);
-	pcap_ts_mode(PCAP_TS_PRESSURE_MEASUREMENT);
-	pcap_ts->read_state = PRESSURE;
 	pcap_ts_start_xy_read(pcap_ts);
 }