Some fixes

Author: Vitozz

alsawork/alsadevice.cpp

@@ -368,7 +368,6 @@ void AlsaDevice::setMute(bool enabled)
 
 bool AlsaDevice::getMute()
 {
-	bool isMute = true;
 	if (!currentMixerName_.empty()) {
 		snd_mixer_t *handle = getMixerHanlde(id_);
 		snd_mixer_elem_t* elem = initMixerElement(handle, currentMixerName_.c_str());
@@ -378,20 +377,22 @@ bool AlsaDevice::getMute()
 			    || snd_mixer_selem_has_playback_switch_joined(elem)) {
 				int value = 0;
 				checkError(snd_mixer_selem_get_playback_switch(elem, channel, &value));
-				isMute = bool(value);
+				checkError(snd_mixer_close(handle));
+				return bool(value);
 			}
 			if (snd_mixer_selem_has_capture_switch(elem)
 			    || snd_mixer_selem_has_common_switch(elem)
 			    || snd_mixer_selem_has_capture_switch_joined(elem)
 			    || snd_mixer_selem_has_capture_switch_exclusive(elem)) {
 				int value = 0;
 				checkError(snd_mixer_selem_get_capture_switch(elem, channel, &value));
-				isMute = bool(value);
+				checkError(snd_mixer_close(handle));
+				return bool(value);
 			}
 		}
 		checkError(snd_mixer_close(handle));
 	}
-	return isMute;
+	return true;
 }
 
 std::string AlsaDevice::formatCardName(long long int id)