diff --git a/core/audio/audiobackend_oss.cpp b/core/audio/audiobackend_oss.cpp
index b9f81c601..f724dcea8 100644
--- a/core/audio/audiobackend_oss.cpp
+++ b/core/audio/audiobackend_oss.cpp
@@ -10,29 +10,87 @@ class OSSAudioBackend : public AudioBackend
 	int audioFD = -1;
 	int recordFD = -1;
 
+	static int openDevice(int flags)
+	{
+		const char* path = "/dev/dsp";
+		int fd = open(path, flags);
+
+		if (fd < 0)
+			ERROR_LOG(AUDIO, "OSS: open(%s) failed: %s", path, strerror(errno));
+
+		return fd;
+	}
+
+	static bool setRate(int fd, int rate)
+	{
+		int tmp = rate;
+
+		if (ioctl(fd, SNDCTL_DSP_SPEED, &tmp) < 0)
+		{
+			ERROR_LOG(AUDIO, "OSS: ioctl(SNDCTL_DSP_SPEED) failed: %s", strerror(errno));
+			return false;
+		}
+
+		if (tmp != rate)
+		{
+			ERROR_LOG(AUDIO, "OSS: sample rate unsupported: %d => %d", rate, tmp);
+			return false;
+		}
+
+		return true;
+	}
+
+	static bool setChannels(int fd, int channels)
+	{
+		int tmp = channels;
+
+		if (ioctl(fd, SNDCTL_DSP_CHANNELS, &tmp) < 0)
+		{
+			ERROR_LOG(AUDIO, "OSS: ioctl(SNDCTL_DSP_CHANNELS) failed: %s", strerror(errno));
+			return false;
+		}
+
+		if (tmp != channels)
+		{
+			ERROR_LOG(AUDIO, "OSS: channels unsupported: %d => %d", channels, tmp);
+			return false;
+		}
+
+		return true;
+	}
+
+	static bool setFormat(int fd, int format)
+	{
+		int tmp = format;
+
+		if (ioctl(fd, SNDCTL_DSP_SETFMT, &tmp) < 0)
+		{
+			ERROR_LOG(AUDIO, "OSS: ioctl(SNDCTL_DSP_SETFMT) failed: %s", strerror(errno));
+			return false;
+		}
+
+		if (tmp != format)
+		{
+			ERROR_LOG(AUDIO, "OSS: sample format unsupported: %#.8x => %#.8x", format, tmp);
+			return false;
+		}
+
+		return true;
+	}
+
 public:
 	OSSAudioBackend()
 		: AudioBackend("oss", "Open Sound System") {}
 
 	bool init() override
 	{
-		audioFD = open("/dev/dsp", O_WRONLY);
-		if (audioFD < 0)
+		audioFD = openDevice(O_WRONLY);
+
+		if (audioFD < 0 || !setRate(audioFD, 44100) || !setChannels(audioFD, 2) || !setFormat(audioFD, AFMT_S16_LE))
 		{
-			WARN_LOG(AUDIO, "Couldn't open /dev/dsp.");
+			term();
 			return false;
 		}
-		INFO_LOG(AUDIO, "sound enabled, dsp opened for write");
-		int tmp=44100;
-		int err_ret;
-		err_ret=ioctl(audioFD,SNDCTL_DSP_SPEED,&tmp);
-		INFO_LOG(AUDIO, "set Frequency to %i, return %i (rate=%i)", 44100, err_ret, tmp);
-		int channels=2;
-		err_ret=ioctl(audioFD, SNDCTL_DSP_CHANNELS, &channels);
-		INFO_LOG(AUDIO, "set dsp to stereo (%i => %i)", channels, err_ret);
-		int format=AFMT_S16_LE;
-		err_ret=ioctl(audioFD, SNDCTL_DSP_SETFMT, &format);
-		INFO_LOG(AUDIO, "set dsp to %s audio (%i/%i => %i)", "16bits signed", AFMT_S16_LE, format, err_ret);
 
 		return true;
 	}
@@ -54,34 +112,11 @@ public:
 
 	bool initRecord(u32 sampling_freq) override
 	{
-		recordFD = open("/dev/dsp", O_RDONLY);
-		if (recordFD < 0)
+		recordFD = openDevice(O_RDONLY);
+
+		if (recordFD < 0 || !setRate(recordFD, sampling_freq) || !setChannels(recordFD, 1) || !setFormat(recordFD, AFMT_S16_NE /* Native 16 bits */ ))
 		{
-			INFO_LOG(AUDIO, "OSS: can't open default audio capture device");
-			return false;
-		}
-		int tmp = AFMT_S16_NE;	// Native 16 bits
-		if (ioctl(recordFD, SNDCTL_DSP_SETFMT, &tmp) == -1 || tmp != AFMT_S16_NE)
-		{
-			INFO_LOG(AUDIO, "OSS: can't set sample format");
-			close(recordFD);
-			recordFD = -1;
-			return false;
-		}
-		tmp = 1;
-		if (ioctl(recordFD, SNDCTL_DSP_CHANNELS, &tmp) == -1)
-		{
-			INFO_LOG(AUDIO, "OSS: can't set channel count");
-			close(recordFD);
-			recordFD = -1;
-			return false;
-		}
-		tmp = sampling_freq;
-		if (ioctl(recordFD, SNDCTL_DSP_SPEED, &tmp) == -1)
-		{
-			INFO_LOG(AUDIO, "OSS: can't set sample rate");
-			close(recordFD);
-			recordFD = -1;
+			termRecord();
 			return false;
 		}