X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=linux%2Fin_evdev.c;h=c61506125322bc150671cab4629fc32e5f1f4fe6;hb=705bdf63669b4703c79b10342b21acc97a14107c;hp=7dd631e43e832157af5eb09a965be879f7f64b7e;hpb=f342bededbe5d51afd1632e689f5105e50d4f63e;p=libpicofe.git

diff --git a/linux/in_evdev.c b/linux/in_evdev.c
index 7dd631e..c615061 100644
--- a/linux/in_evdev.c
+++ b/linux/in_evdev.c
@@ -37,8 +37,8 @@ typedef struct {
 	int kc_first;
 	int kc_last;
 	unsigned int abs_count;
-	/* 16.16 multiplier to IN_ABS_RANGE */
-	unsigned int abs_mult[MAX_ABS_DEVS];
+	int abs_mult[MAX_ABS_DEVS]; /* 16.16 multiplier to IN_ABS_RANGE */
+	int abs_adj[MAX_ABS_DEVS];  /* adjust for centering */
 	unsigned int abs_to_digital:1;
 } in_evdev_t;
 
@@ -246,6 +246,7 @@ static void in_evdev_probe(void)
 				dist = ainfo.maximum - ainfo.minimum;
 				if (dist != 0)
 					dev->abs_mult[u] = IN_ABS_RANGE * 2 * 65536 / dist;
+				dev->abs_adj[u] = -(ainfo.maximum + ainfo.minimum + 1) / 2;
 				have_abs = 1;
 			}
 			dev->abs_count = u;
@@ -371,7 +372,8 @@ static int in_evdev_update_analog(void *drv_data, int axis_id, int *result)
 	if (ret != 0)
 		return ret;
 
-	*result = (int)(ainfo.value * dev->abs_mult[axis_id]) >> 16;
+	*result = (ainfo.value + dev->abs_adj[axis_id]) * dev->abs_mult[axis_id];
+	*result >>= 16;
 	return 0;
 }
 
@@ -584,18 +586,6 @@ static int in_evdev_menu_translate(void *drv_data, int keycode)
 	return 0;
 }
 
-static void in_evdev_get_def_binds(int *binds)
-{
-	int i;
-
-	for (i = 0; ; i++) {
-		if (in_evdev_defbinds[i].bit == 0 && in_evdev_defbinds[i].code == 0)
-			break;
-		binds[IN_BIND_OFFS(in_evdev_defbinds[i].code, in_evdev_defbinds[i].btype)] =
-			1 << in_evdev_defbinds[i].bit;
-	}
-}
-
 /* remove binds of missing keys, count remaining ones */
 static int in_evdev_clean_binds(void *drv_data, int *binds, int *def_binds)
 {
@@ -635,7 +625,6 @@ static const in_drv_t in_evdev_drv = {
 	.probe          = in_evdev_probe,
 	.free           = in_evdev_free,
 	.get_key_names  = in_evdev_get_key_names,
-	.get_def_binds  = in_evdev_get_def_binds,
 	.clean_binds    = in_evdev_clean_binds,
 	.get_config     = in_evdev_get_config,
 	.set_config     = in_evdev_set_config,
@@ -645,8 +634,8 @@ static const in_drv_t in_evdev_drv = {
 	.menu_translate = in_evdev_menu_translate,
 };
 
-void in_evdev_init(void)
+void in_evdev_init(const struct in_default_bind *defbinds)
 {
-	in_register_driver(&in_evdev_drv);
+	in_register_driver(&in_evdev_drv, defbinds);
 }