cleanup

svn-id: r10894

2 files changed, 6 insertions, 6 deletions

diff --git a/backends/midi/adlib.cpp b/backends/midi/adlib.cpp
index 8cde3a0b6e..8eebde5240 100644
--- a/backends/midi/adlib.cpp
+++ b/backends/midi/adlib.cpp
@@ -561,7 +561,7 @@ public:
 	void setPitchBendRange(byte channel, uint range); 
 	void sysEx_customInstrument(byte channel, uint32 type, byte *instr);
 
-	void setTimerCallback(void *timer_param, void (*timer_proc) (void *));
+	void setTimerCallback(void *timer_param, TimerProc timer_proc);
 	uint32 getBaseTempo() {
 		return 1000000 / BASE_FREQ;
 	}
@@ -970,8 +970,8 @@ void MidiDriver_ADLIB::sysEx_customInstrument(byte channel, uint32 type, byte *i
 	_parts[channel].sysEx_customInstrument(type, instr);
 }
 
-void MidiDriver_ADLIB::setTimerCallback(void *timer_param, void (*timer_proc) (void *)) {
-	_timer_proc = (TimerCallback *) timer_proc;
+void MidiDriver_ADLIB::setTimerCallback(void *timer_param, TimerProc timer_proc) {
+	_timer_proc = timer_proc;
 	_timer_param = timer_param;
 }
 
diff --git a/backends/midi/ym2612.cpp b/backends/midi/ym2612.cpp
index 0b1eb28c9f..f90c330aba 100644
--- a/backends/midi/ym2612.cpp
+++ b/backends/midi/ym2612.cpp
@@ -193,7 +193,7 @@ public:
 	void setPitchBendRange(byte channel, uint range) { }
 	void sysEx(byte *msg, uint16 length);
 
-	void setTimerCallback(void *timer_param, void (*timer_proc)(void *));
+	void setTimerCallback(void *timer_param, TimerProc timer_proc);
 	uint32 getBaseTempo() { return 1000000 / BASE_FREQ; }
 
 	MidiChannel *allocateChannel() { return 0; }
@@ -770,8 +770,8 @@ void MidiDriver_YM2612::close() {
 	_mixer->setupPremix(0, 0);
 }
 
-void MidiDriver_YM2612::setTimerCallback(void *timer_param, void (*timer_proc)(void *)) {
-	_timer_proc = (TimerCallback *) timer_proc;
+void MidiDriver_YM2612::setTimerCallback(void *timer_param, TimerProc timer_proc) {
+	_timer_proc = timer_proc;
 	_timer_param = timer_param;
 }