X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=sound%2Foss%2Fmad16.c;h=aa3c50db66c49d589102e6b68bd4f4c5b9075c47;hb=43bc926fffd92024b46cafaf7350d669ba9ca884;hp=a7067f169919c0b163c2ab4ad48b51136143634e;hpb=cee37fe97739d85991964371c1f3a745c00dd236;p=linux-2.6.git

diff --git a/sound/oss/mad16.c b/sound/oss/mad16.c
index a7067f169..aa3c50db6 100644
--- a/sound/oss/mad16.c
+++ b/sound/oss/mad16.c
@@ -50,9 +50,12 @@
 #include "sb.h"
 #include "mpu401.h"
 
+#if defined(CONFIG_GAMEPORT) || (defined(MODULE) && defined(CONFIG_GAMEPORT_MODULE))
+#define SUPPORT_JOYSTICK 1
+#endif
+
 static int      mad16_conf;
 static int      mad16_cdsel;
-static struct gameport *gameport;
 static DEFINE_SPINLOCK(lock);
 
 #define C928	1
@@ -902,6 +905,10 @@ static int __initdata irq_map[16] =
 	-1, -1, -1, -1
 };
 
+#ifdef SUPPORT_JOYSTICK
+
+static struct gameport *gameport;
+
 static int __devinit mad16_register_gameport(int io_port)
 {
 	if (!request_region(io_port, 1, "mad16 gameport")) {
@@ -925,6 +932,20 @@ static int __devinit mad16_register_gameport(int io_port)
 	return 0;
 }
 
+static inline void mad16_unregister_gameport(void)
+{
+	if (gameport) {
+		/* the gameport was initialized so we must free it up */
+		gameport_unregister_port(gameport);
+		gameport = NULL;
+		release_region(0x201, 1);
+	}
+}
+#else
+static inline int mad16_register_gameport(int io_port) { return -ENOSYS; }
+static inline void mad16_unregister_gameport(void) { }
+#endif
+
 static int __devinit init_mad16(void)
 {
 	int dmatype = 0;
@@ -1060,12 +1081,7 @@ static void __exit cleanup_mad16(void)
 {
 	if (found_mpu)
 		unload_mad16_mpu(&cfg_mpu);
-	if (gameport) {
-		/* the gameport was initialized so we must free it up */
-		gameport_unregister_port(gameport);
-		gameport = NULL;
-		release_region(0x201, 1);
-	}
+	mad16_unregister_gameport();
 	unload_mad16(&cfg);
 	release_region(MC0_PORT, 12);
 }