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Input: mad16 (OSS) - do not carry around gameport code if gameport core 

support is disabled.

Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
This commit is contained in:
Dmitry Torokhov 2005-06-01 02:38:46 -05:00
parent ba7376e934
commit e608460dee
1 changed files with 23 additions and 7 deletions
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30
sound/oss/mad16.c
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@ -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);
}