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path: root/sound/drivers/opl4/opl4_lib.c
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Diffstat (limited to 'sound/drivers/opl4/opl4_lib.c')
-rw-r--r--sound/drivers/opl4/opl4_lib.c16
1 files changed, 11 insertions, 5 deletions
diff --git a/sound/drivers/opl4/opl4_lib.c b/sound/drivers/opl4/opl4_lib.c
index ddfc10d04be..b953fb4aa29 100644
--- a/sound/drivers/opl4/opl4_lib.c
+++ b/sound/drivers/opl4/opl4_lib.c
@@ -20,7 +20,9 @@
#include "opl4_local.h"
#include <sound/initval.h>
#include <linux/ioport.h>
+#include <linux/slab.h>
#include <linux/init.h>
+#include <linux/module.h>
#include <asm/io.h>
MODULE_AUTHOR("Clemens Ladisch <clemens@ladisch.de>");
@@ -43,6 +45,8 @@ void snd_opl4_write(struct snd_opl4 *opl4, u8 reg, u8 value)
outb(value, opl4->pcm_port + 1);
}
+EXPORT_SYMBOL(snd_opl4_write);
+
u8 snd_opl4_read(struct snd_opl4 *opl4, u8 reg)
{
snd_opl4_wait(opl4);
@@ -52,6 +56,8 @@ u8 snd_opl4_read(struct snd_opl4 *opl4, u8 reg)
return inb(opl4->pcm_port + 1);
}
+EXPORT_SYMBOL(snd_opl4_read);
+
void snd_opl4_read_memory(struct snd_opl4 *opl4, char *buf, int offset, int size)
{
unsigned long flags;
@@ -76,6 +82,8 @@ void snd_opl4_read_memory(struct snd_opl4 *opl4, char *buf, int offset, int size
spin_unlock_irqrestore(&opl4->reg_lock, flags);
}
+EXPORT_SYMBOL(snd_opl4_read_memory);
+
void snd_opl4_write_memory(struct snd_opl4 *opl4, const char *buf, int offset, int size)
{
unsigned long flags;
@@ -100,6 +108,8 @@ void snd_opl4_write_memory(struct snd_opl4 *opl4, const char *buf, int offset, i
spin_unlock_irqrestore(&opl4->reg_lock, flags);
}
+EXPORT_SYMBOL(snd_opl4_write_memory);
+
static void snd_opl4_enable_opl4(struct snd_opl4 *opl4)
{
outb(OPL3_REG_MODE, opl4->fm_port + 2);
@@ -214,7 +224,7 @@ int snd_opl4_create(struct snd_card *card,
opl4->fm_port = fm_port;
opl4->pcm_port = pcm_port;
spin_lock_init(&opl4->reg_lock);
- init_MUTEX(&opl4->access_mutex);
+ mutex_init(&opl4->access_mutex);
err = snd_opl4_detect(opl4);
if (err < 0) {
@@ -256,10 +266,6 @@ int snd_opl4_create(struct snd_card *card,
return 0;
}
-EXPORT_SYMBOL(snd_opl4_write);
-EXPORT_SYMBOL(snd_opl4_read);
-EXPORT_SYMBOL(snd_opl4_write_memory);
-EXPORT_SYMBOL(snd_opl4_read_memory);
EXPORT_SYMBOL(snd_opl4_create);
static int __init alsa_opl4_init(void)