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| author | Dmitry Torokhov <dtor_core@ameritech.net> | 2005-06-01 11:38:46 +0400 |
|---|---|---|
| committer | Dmitry Torokhov <dtor_core@ameritech.net> | 2005-06-01 11:38:46 +0400 |
| commit | e608460dee4c2de3a01f67c1bac21adb61d617e3 (patch) | |
| tree | b37a75642947a0a45afbba40c76c82985675d155 /sound/oss/mad16.c | |
| parent | ba7376e9348eceda21884cda87e714093260aed2 (diff) | |
| download | linux-e608460dee4c2de3a01f67c1bac21adb61d617e3.tar.xz | |
Input: mad16 (OSS) - do not carry around gameport code if gameport core
support is disabled.
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
Diffstat (limited to 'sound/oss/mad16.c')
| -rw-r--r-- | sound/oss/mad16.c | 30 |
1 files changed, 23 insertions, 7 deletions
diff --git a/sound/oss/mad16.c b/sound/oss/mad16.c index a7067f169919..aa3c50db66c4 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); } |