X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=gp2x%2Fgp2x.c;h=56fbf5cde9a2343da28504fd8ef32a5aa2ac906b;hb=f7c40368a7700e5f18993c71a7d77bfe768c4900;hp=78e8561f857034c6a6bf16d7876238bfd3e4d2d9;hpb=3f2aaff20c940e90e970c008e56f5253d494a92c;p=libpicofe.git

diff --git a/gp2x/gp2x.c b/gp2x/gp2x.c
index 78e8561..56fbf5c 100644
--- a/gp2x/gp2x.c
+++ b/gp2x/gp2x.c
@@ -231,21 +231,24 @@ typedef struct ucb1x00_ts_event
 int gp2x_touchpad_read(int *x, int *y)
 {
 	UCB1X00_TS_EVENT event;
+	static int zero_seen = 0;
 	int retval;
 
 	if (touchdev < 0) return -1;
 
 	retval = read(touchdev, &event, sizeof(event));
-	if (retval < 0) {
+	if (retval <= 0) {
 		printf("touch read failed %i %i\n", retval, errno);
 		return -1;
 	}
+	// this is to ignore the messed-up 4.1.x driver
+	if (event.pressure == 0) zero_seen = 1;
 
 	if (x) *x = (event.x * touchcal[0] + touchcal[2]) >> 16;
 	if (y) *y = (event.y * touchcal[4] + touchcal[5]) >> 16;
 	// printf("read %i %i %i\n", event.pressure, *x, *y);
 
-	return event.pressure;
+	return zero_seen ? event.pressure : 0;
 }