winealsa: Supply FFFFFFFF for midiOutGetVolume, no garbage.
diff --git a/dlls/winealsa.drv/midi.c b/dlls/winealsa.drv/midi.c
index 0eee1c8..49b7f94 100644
--- a/dlls/winealsa.drv/midi.c
+++ b/dlls/winealsa.drv/midi.c
@@ -1066,6 +1066,17 @@
}
/**************************************************************************
+ * modGetVolume [internal]
+ */
+static DWORD modGetVolume(WORD wDevID, DWORD* lpdwVolume)
+{
+ if (!lpdwVolume) return MMSYSERR_INVALPARAM;
+ if (wDevID >= MODM_NumDevs) return MMSYSERR_BADDEVICEID;
+ *lpdwVolume = 0xFFFFFFFF;
+ return (MidiOutDev[wDevID].caps.dwSupport & MIDICAPS_VOLUME) ? 0 : MMSYSERR_NOTSUPPORTED;
+}
+
+/**************************************************************************
* modReset [internal]
*/
static DWORD modReset(WORD wDevID)
@@ -1371,7 +1382,7 @@
case MODM_GETNUMDEVS:
return MODM_NumDevs;
case MODM_GETVOLUME:
- return 0;
+ return modGetVolume(wDevID, (DWORD*)dwParam1);
case MODM_SETVOLUME:
return 0;
case MODM_RESET:
