Use C99 initializers for audio_option

Signed-off-by: Juan Quintela <quintela@redhat.com>

10 files changed, 258 insertions, 168 deletions

diff --git a/audio/alsaaudio.c b/audio/alsaaudio.c
index 61a8cd03ac..574531297c 100644
--- a/audio/alsaaudio.c
+++ b/audio/alsaaudio.c
@@ -935,37 +935,51 @@ static void alsa_audio_fini (void *opaque)
 }
 
 static struct audio_option alsa_options[] = {
-    {"DAC_SIZE_IN_USEC", AUD_OPT_BOOL, &conf.size_in_usec_out,
-     "DAC period/buffer size in microseconds (otherwise in frames)", NULL, 0},
-    {"DAC_PERIOD_SIZE", AUD_OPT_INT, &conf.period_size_out,
-     "DAC period size (0 to go with system default)",
-     &conf.period_size_out_overridden, 0},
-    {"DAC_BUFFER_SIZE", AUD_OPT_INT, &conf.buffer_size_out,
-     "DAC buffer size (0 to go with system default)",
-     &conf.buffer_size_out_overridden, 0},
-
-    {"ADC_SIZE_IN_USEC", AUD_OPT_BOOL, &conf.size_in_usec_in,
-     "ADC period/buffer size in microseconds (otherwise in frames)", NULL, 0},
-    {"ADC_PERIOD_SIZE", AUD_OPT_INT, &conf.period_size_in,
-     "ADC period size (0 to go with system default)",
-     &conf.period_size_in_overridden, 0},
-    {"ADC_BUFFER_SIZE", AUD_OPT_INT, &conf.buffer_size_in,
-     "ADC buffer size (0 to go with system default)",
-     &conf.buffer_size_in_overridden, 0},
-
-    {"THRESHOLD", AUD_OPT_INT, &conf.threshold,
-     "(undocumented)", NULL, 0},
-
-    {"DAC_DEV", AUD_OPT_STR, &conf.pcm_name_out,
-     "DAC device name (for instance dmix)", NULL, 0},
-
-    {"ADC_DEV", AUD_OPT_STR, &conf.pcm_name_in,
-     "ADC device name", NULL, 0},
-
-    {"VERBOSE", AUD_OPT_BOOL, &conf.verbose,
-     "Behave in a more verbose way", NULL, 0},
-
-    {NULL, 0, NULL, NULL, NULL, 0}
+    {.name        = "DAC_SIZE_IN_USEC",
+     .tag         = AUD_OPT_BOOL,
+     .valp        = &conf.size_in_usec_out,
+     .descr       = "DAC period/buffer size in microseconds (otherwise in frames)"},
+    {.name        = "DAC_PERIOD_SIZE",
+     .tag         = AUD_OPT_INT,
+     .valp        = &conf.period_size_out,
+     .descr       = "DAC period size (0 to go with system default)",
+     .overriddenp = &conf.period_size_out_overridden},
+    {.name        = "DAC_BUFFER_SIZE",
+     .tag         = AUD_OPT_INT,
+     .valp        = &conf.buffer_size_out,
+     .descr       = "DAC buffer size (0 to go with system default)",
+     .overriddenp = &conf.buffer_size_out_overridden},
+    {.name        = "ADC_SIZE_IN_USEC",
+     .tag         = AUD_OPT_BOOL,
+     .valp        = &conf.size_in_usec_in,
+     .descr       = "ADC period/buffer size in microseconds (otherwise in frames)"},
+    {.name        = "ADC_PERIOD_SIZE",
+     .tag         = AUD_OPT_INT,
+     .valp        = &conf.period_size_in,
+     .descr       = "ADC period size (0 to go with system default)",
+     .overriddenp = &conf.period_size_in_overridden},
+    {.name        = "ADC_BUFFER_SIZE",
+     .tag         = AUD_OPT_INT,
+     .valp        = &conf.buffer_size_in,
+     .descr       = "ADC buffer size (0 to go with system default)",
+     .overriddenp = &conf.buffer_size_in_overridden},
+    {.name        = "THRESHOLD",
+     .tag         = AUD_OPT_INT,
+     .valp        = &conf.threshold,
+     .descr       = "(undocumented)"},
+    {.name        = "DAC_DEV",
+     .tag         = AUD_OPT_STR,
+     .valp        = &conf.pcm_name_out,
+     .descr       = "DAC device name (for instance dmix)"},
+    {.name        = "ADC_DEV",
+     .tag         = AUD_OPT_STR,
+     .valp        = &conf.pcm_name_in,
+     .descr       = "ADC device name"},
+    {.name        = "VERBOSE",
+     .tag         = AUD_OPT_BOOL,
+     .valp        = &conf.verbose,
+     .descr       = "Behave in a more verbose way"},
+    { /* End of list */ }
 };
 
 static struct audio_pcm_ops alsa_pcm_ops = {
diff --git a/audio/audio.c b/audio/audio.c
index 0a3830dc43..4033a935cf 100644
--- a/audio/audio.c
+++ b/audio/audio.c
@@ -1493,48 +1493,61 @@ static void audio_timer (void *opaque)
 
 static struct audio_option audio_options[] = {
     /* DAC */
-    {"DAC_FIXED_SETTINGS", AUD_OPT_BOOL, &conf.fixed_out.enabled,
-     "Use fixed settings for host DAC", NULL, 0},
-
-    {"DAC_FIXED_FREQ", AUD_OPT_INT, &conf.fixed_out.settings.freq,
-     "Frequency for fixed host DAC", NULL, 0},
-
-    {"DAC_FIXED_FMT", AUD_OPT_FMT, &conf.fixed_out.settings.fmt,
-     "Format for fixed host DAC", NULL, 0},
-
-    {"DAC_FIXED_CHANNELS", AUD_OPT_INT, &conf.fixed_out.settings.nchannels,
-     "Number of channels for fixed DAC (1 - mono, 2 - stereo)", NULL, 0},
-
-    {"DAC_VOICES", AUD_OPT_INT, &conf.fixed_out.nb_voices,
-     "Number of voices for DAC", NULL, 0},
-
+    {.name  = "DAC_FIXED_SETTINGS",
+     .tag   = AUD_OPT_BOOL,
+     .valp  = &conf.fixed_out.enabled,
+     .descr = "Use fixed settings for host DAC"},
+    {.name  = "DAC_FIXED_FREQ",
+     .tag   = AUD_OPT_INT,
+     .valp  = &conf.fixed_out.settings.freq,
+     .descr = "Frequency for fixed host DAC"},
+    {.name  = "DAC_FIXED_FMT",
+     .tag   = AUD_OPT_FMT,
+     .valp  = &conf.fixed_out.settings.fmt,
+     .descr = "Format for fixed host DAC"},
+    {.name  = "DAC_FIXED_CHANNELS",
+     .tag   = AUD_OPT_INT,
+     .valp  = &conf.fixed_out.settings.nchannels,
+     .descr = "Number of channels for fixed DAC (1 - mono, 2 - stereo)"},
+    {.name  = "DAC_VOICES",
+     .tag   = AUD_OPT_INT,
+     .valp  = &conf.fixed_out.nb_voices,
+     .descr = "Number of voices for DAC"},
     /* ADC */
-    {"ADC_FIXED_SETTINGS", AUD_OPT_BOOL, &conf.fixed_in.enabled,
-     "Use fixed settings for host ADC", NULL, 0},
-
-    {"ADC_FIXED_FREQ", AUD_OPT_INT, &conf.fixed_in.settings.freq,
-     "Frequency for fixed host ADC", NULL, 0},
-
-    {"ADC_FIXED_FMT", AUD_OPT_FMT, &conf.fixed_in.settings.fmt,
-     "Format for fixed host ADC", NULL, 0},
-
-    {"ADC_FIXED_CHANNELS", AUD_OPT_INT, &conf.fixed_in.settings.nchannels,
-     "Number of channels for fixed ADC (1 - mono, 2 - stereo)", NULL, 0},
-
-    {"ADC_VOICES", AUD_OPT_INT, &conf.fixed_in.nb_voices,
-     "Number of voices for ADC", NULL, 0},
-
+    {.name  = "ADC_FIXED_SETTINGS",
+     .tag   = AUD_OPT_BOOL,
+     .valp  = &conf.fixed_in.enabled,
+     .descr = "Use fixed settings for host ADC"},
+    {.name  = "ADC_FIXED_FREQ",
+     .tag   = AUD_OPT_INT,
+     .valp  = &conf.fixed_in.settings.freq,
+     .descr = "Frequency for fixed host ADC"},
+    {.name  = "ADC_FIXED_FMT",
+     .tag   = AUD_OPT_FMT,
+     .valp  = &conf.fixed_in.settings.fmt,
+     .descr = "Format for fixed host ADC"},
+    {.name  = "ADC_FIXED_CHANNELS",
+     .tag   = AUD_OPT_INT,
+     .valp  = &conf.fixed_in.settings.nchannels,
+     .descr = "Number of channels for fixed ADC (1 - mono, 2 - stereo)"},
+    {.name  = "ADC_VOICES",
+     .tag   = AUD_OPT_INT,
+     .valp  = &conf.fixed_in.nb_voices,
+     .descr = "Number of voices for ADC"},
     /* Misc */
-    {"TIMER_PERIOD", AUD_OPT_INT, &conf.period.hertz,
-     "Timer period in HZ (0 - use lowest possible)", NULL, 0},
-
-    {"PLIVE", AUD_OPT_BOOL, &conf.plive,
-     "(undocumented)", NULL, 0},
-
-    {"LOG_TO_MONITOR", AUD_OPT_BOOL, &conf.log_to_monitor,
-     "print logging messages to monitor instead of stderr", NULL, 0},
-
-    {NULL, 0, NULL, NULL, NULL, 0}
+    {.name  = "TIMER_PERIOD",
+     .tag   = AUD_OPT_INT,
+     .valp  = &conf.period.hertz,
+     .descr = "Timer period in HZ (0 - use lowest possible)"},
+    {.name  = "PLIVE",
+     .tag   = AUD_OPT_BOOL,
+     .valp  = &conf.plive,
+     .descr = "(undocumented)"},
+    {.name  = "LOG_TO_MONITOR",
+     .tag   = AUD_OPT_BOOL,
+     .valp  = &conf.log_to_monitor,
+     .descr = ".descr = print logging messages to monitor instead of stderr"},
+    { /* End of list */ }
 };
 
 static void audio_pp_nb_voices (const char *typ, int nb)
diff --git a/audio/coreaudio.c b/audio/coreaudio.c
index c46b357d1f..ffeaa7f90b 100644
--- a/audio/coreaudio.c
+++ b/audio/coreaudio.c
@@ -513,11 +513,15 @@ static void coreaudio_audio_fini (void *opaque)
 }
 
 static struct audio_option coreaudio_options[] = {
-    {"BUFFER_SIZE", AUD_OPT_INT, &conf.buffer_frames,
-     "Size of the buffer in frames", NULL, 0},
-    {"BUFFER_COUNT", AUD_OPT_INT, &conf.nbuffers,
-     "Number of buffers", NULL, 0},
-    {NULL, 0, NULL, NULL, NULL, 0}
+    {.name  = "BUFFER_SIZE",
+     .tag   = AUD_OPT_INT,
+     .valp  = &conf.buffer_frames,
+     .descr = "Size of the buffer in frames"},
+    {.name  = "BUFFER_COUNT",
+     .tag   = AUD_OPT_INT,
+     .valp  = &conf.nbuffers,
+     .descr = "Number of buffers"},
+    { /* End of list */ }
 };
 
 static struct audio_pcm_ops coreaudio_pcm_ops = {
diff --git a/audio/dsoundaudio.c b/audio/dsoundaudio.c
index 7c087903f4..6c52c65a61 100644
--- a/audio/dsoundaudio.c
+++ b/audio/dsoundaudio.c
@@ -1035,27 +1035,47 @@ static void *dsound_audio_init (void)
 }
 
 static struct audio_option dsound_options[] = {
-    {"LOCK_RETRIES", AUD_OPT_INT, &conf.lock_retries,
-     "Number of times to attempt locking the buffer", NULL, 0},
-    {"RESTOURE_RETRIES", AUD_OPT_INT, &conf.restore_retries,
-     "Number of times to attempt restoring the buffer", NULL, 0},
-    {"GETSTATUS_RETRIES", AUD_OPT_INT, &conf.getstatus_retries,
-     "Number of times to attempt getting status of the buffer", NULL, 0},
-    {"SET_PRIMARY", AUD_OPT_BOOL, &conf.set_primary,
-     "Set the parameters of primary buffer", NULL, 0},
-    {"LATENCY_MILLIS", AUD_OPT_INT, &conf.latency_millis,
-     "(undocumented)", NULL, 0},
-    {"PRIMARY_FREQ", AUD_OPT_INT, &conf.settings.freq,
-     "Primary buffer frequency", NULL, 0},
-    {"PRIMARY_CHANNELS", AUD_OPT_INT, &conf.settings.nchannels,
-     "Primary buffer number of channels (1 - mono, 2 - stereo)", NULL, 0},
-    {"PRIMARY_FMT", AUD_OPT_FMT, &conf.settings.fmt,
-     "Primary buffer format", NULL, 0},
-    {"BUFSIZE_OUT", AUD_OPT_INT, &conf.bufsize_out,
-     "(undocumented)", NULL, 0},
-    {"BUFSIZE_IN", AUD_OPT_INT, &conf.bufsize_in,
-     "(undocumented)", NULL, 0},
-    {NULL, 0, NULL, NULL, NULL, 0}
+    {.name  = "LOCK_RETRIES",
+     .tag   = AUD_OPT_INT,
+     .valp  = &conf.lock_retries,
+     .descr = "Number of times to attempt locking the buffer"},
+    {.name  = "RESTOURE_RETRIES",
+     .tag   = AUD_OPT_INT,
+     .valp  = &conf.restore_retries,
+     .descr = "Number of times to attempt restoring the buffer"},
+    {.name  = "GETSTATUS_RETRIES",
+     .tag   = AUD_OPT_INT,
+     .valp  = &conf.getstatus_retries,
+     .descr = "Number of times to attempt getting status of the buffer"},
+    {.name  = "SET_PRIMARY",
+     .tag   = AUD_OPT_BOOL,
+     .valp  = &conf.set_primary
+     .descr = "Set the parameters of primary buffer"},
+    {.name  = "LATENCY_MILLIS",
+     .tag   = AUD_OPT_INT,
+     .valp  = &conf.latency_millis,
+     .descr = "(undocumented)"},
+    {.name  = "PRIMARY_FREQ",
+     .tag   = AUD_OPT_INT,
+     .valp  = &conf.settings.freq,
+     .descr = "Primary buffer frequency"},
+    {.name  = "PRIMARY_CHANNELS",
+     .tag   = AUD_OPT_INT,
+     .valp  = &conf.settings.nchannels,
+     .descr = "Primary buffer number of channels (1 - mono, 2 - stereo)"},
+    {.name  = "PRIMARY_FMT",
+     .tag   = AUD_OPT_FMT,
+     .valp  = &conf.settings.fmt,
+     .descr = "Primary buffer format"},
+    {.name  = "BUFSIZE_OUT",
+     .tag   = AUD_OPT_INT,
+     .valp  = &conf.bufsize_out,
+     .descr = "(undocumented)"},
+    {.name  = "BUFSIZE_IN",
+     .tag   = AUD_OPT_INT,
+     .valp  = &conf.bufsize_in,
+     .descr = "(undocumented)"},
+    { /* End of list */ }
 };
 
 static struct audio_pcm_ops dsound_pcm_ops = {
diff --git a/audio/esdaudio.c b/audio/esdaudio.c
index ff6725e306..83c18964fe 100644
--- a/audio/esdaudio.c
+++ b/audio/esdaudio.c
@@ -551,19 +551,23 @@ static void qesd_audio_fini (void *opaque)
 }
 
 struct audio_option qesd_options[] = {
-    {"SAMPLES", AUD_OPT_INT, &conf.samples,
-     "buffer size in samples", NULL, 0},
-
-    {"DIVISOR", AUD_OPT_INT, &conf.divisor,
-     "threshold divisor", NULL, 0},
-
-    {"DAC_HOST", AUD_OPT_STR, &conf.dac_host,
-     "playback host", NULL, 0},
-
-    {"ADC_HOST", AUD_OPT_STR, &conf.adc_host,
-     "capture host", NULL, 0},
-
-    {NULL, 0, NULL, NULL, NULL, 0}
+    {.name  = "SAMPLES",
+     .tag   = AUD_OPT_INT,
+     .valp  = &conf.samples,
+     .descr = "buffer size in samples"},
+    {.name  = "DIVISOR",
+     .tag   = AUD_OPT_INT,
+     .valp  = &conf.divisor,
+     .descr = "threshold divisor"},
+    {.name  = "DAC_HOST",
+     .tag   = AUD_OPT_STR,
+     .valp  = &conf.dac_host,
+     .descr = "playback host"},
+    {.name  = "ADC_HOST",
+     .tag   = AUD_OPT_STR,
+     .valp  = &conf.adc_host,
+     .descr = "capture host"},
+    { /* End of list */ }
 };
 
 static struct audio_pcm_ops qesd_pcm_ops = {
diff --git a/audio/fmodaudio.c b/audio/fmodaudio.c
index 8259551890..8239ed7d24 100644
--- a/audio/fmodaudio.c
+++ b/audio/fmodaudio.c
@@ -639,22 +639,33 @@ static void fmod_audio_fini (void *opaque)
 }
 
 static struct audio_option fmod_options[] = {
-    {"DRV", AUD_OPT_STR, &conf.drvname,
-     "FMOD driver", NULL, 0},
-    {"FREQ", AUD_OPT_INT, &conf.freq,
-     "Default frequency", NULL, 0},
-    {"SAMPLES", AUD_OPT_INT, &conf.nb_samples,
-     "Buffer size in samples", NULL, 0},
-    {"CHANNELS", AUD_OPT_INT, &conf.nb_channels,
-     "Number of default channels (1 - mono, 2 - stereo)", NULL, 0},
-    {"BUFSIZE", AUD_OPT_INT, &conf.bufsize,
-     "(undocumented)", NULL, 0},
+    {.name  = "DRV",
+     .tag   = AUD_OPT_STR,
+     .valp  = &conf.drvname,
+     .descr = "FMOD driver"},
+    {.name  = "FREQ",
+     .tag   = AUD_OPT_INT,
+     .valp  = &conf.freq,
+     .descr = "Default frequency"},
+    {.name  = "SAMPLES",
+     .tag   = AUD_OPT_INT,
+     .valp  = &conf.nb_samples,
+     .descr = "Buffer size in samples"},
+    {.name  = "CHANNELS",
+     .tag   = AUD_OPT_INT,
+     .valp  = &conf.nb_channels,
+     .descr = "Number of default channels (1 - mono, 2 - stereo)"},
+    {.name  = "BUFSIZE",
+     .tag   = AUD_OPT_INT,
+     .valp  = &conf.bufsize,
+     .descr = "(undocumented)"}
 #if 0
-    {"THRESHOLD", AUD_OPT_INT, &conf.threshold,
-     "(undocumented)"},
+    {.name  = "THRESHOLD",
+     .tag   = AUD_OPT_INT,
+     .valp  = &conf.threshold,
+     .descr = "(undocumented)"}
 #endif
-
-    {NULL, 0, NULL, NULL, NULL, 0}
+    { /* End of list */ }
 };
 
 static struct audio_pcm_ops fmod_pcm_ops = {
diff --git a/audio/ossaudio.c b/audio/ossaudio.c
index 97edf9fc35..b8e6ec3615 100644
--- a/audio/ossaudio.c
+++ b/audio/ossaudio.c
@@ -736,19 +736,31 @@ static void oss_audio_fini (void *opaque)
 }
 
 static struct audio_option oss_options[] = {
-    {"FRAGSIZE", AUD_OPT_INT, &conf.fragsize,
-     "Fragment size in bytes", NULL, 0},
-    {"NFRAGS", AUD_OPT_INT, &conf.nfrags,
-     "Number of fragments", NULL, 0},
-    {"MMAP", AUD_OPT_BOOL, &conf.try_mmap,
-     "Try using memory mapped access", NULL, 0},
-    {"DAC_DEV", AUD_OPT_STR, &conf.devpath_out,
-     "Path to DAC device", NULL, 0},
-    {"ADC_DEV", AUD_OPT_STR, &conf.devpath_in,
-     "Path to ADC device", NULL, 0},
-    {"DEBUG", AUD_OPT_BOOL, &conf.debug,
-     "Turn on some debugging messages", NULL, 0},
-    {NULL, 0, NULL, NULL, NULL, 0}
+    {.name  = "FRAGSIZE",
+     .tag   = AUD_OPT_INT,
+     .valp  = &conf.fragsize,
+     .descr = "Fragment size in bytes"},
+    {.name  = "NFRAGS",
+     .tag   = AUD_OPT_INT,
+     .valp  = &conf.nfrags,
+     .descr = "Number of fragments"},
+    {.name  = "MMAP",
+     .tag   = AUD_OPT_BOOL,
+     .valp  = &conf.try_mmap,
+     .descr = "Try using memory mapped access"},
+    {.name  = "DAC_DEV",
+     .tag   = AUD_OPT_STR,
+     .valp  = &conf.devpath_out,
+     .descr = "Path to DAC device"},
+    {.name  = "ADC_DEV",
+     .tag   = AUD_OPT_STR,
+     .valp  = &conf.devpath_in,
+     .descr = "Path to ADC device"},
+    {.name  = "DEBUG",
+     .tag   = AUD_OPT_BOOL,
+     .valp  = &conf.debug,
+     .descr = "Turn on some debugging messages"},
+    { /* End of list */ }
 };
 
 static struct audio_pcm_ops oss_pcm_ops = {
diff --git a/audio/paaudio.c b/audio/paaudio.c
index 0b469cf992..2488f74d53 100644
--- a/audio/paaudio.c
+++ b/audio/paaudio.c
@@ -469,22 +469,27 @@ static void qpa_audio_fini (void *opaque)
 }
 
 struct audio_option qpa_options[] = {
-    {"SAMPLES", AUD_OPT_INT, &conf.samples,
-     "buffer size in samples", NULL, 0},
-
-    {"DIVISOR", AUD_OPT_INT, &conf.divisor,
-     "threshold divisor", NULL, 0},
-
-    {"SERVER", AUD_OPT_STR, &conf.server,
-     "server address", NULL, 0},
-
-    {"SINK", AUD_OPT_STR, &conf.sink,
-     "sink device name", NULL, 0},
-
-    {"SOURCE", AUD_OPT_STR, &conf.source,
-     "source device name", NULL, 0},
-
-    {NULL, 0, NULL, NULL, NULL, 0}
+    {.name  = "SAMPLES",
+     .tag   = AUD_OPT_INT,
+     .valp  = &conf.samples,
+     .descr = "buffer size in samples"},
+    {.name  = "DIVISOR",
+     .tag   = AUD_OPT_INT,
+     .valp  = &conf.divisor,
+     .descr = "threshold divisor"},
+    {.name  = "SERVER",
+     .tag   = AUD_OPT_STR,
+     .valp  = &conf.server,
+     .descr = "server address"},
+    {.name  = "SINK",
+     .tag   = AUD_OPT_STR,
+     .valp  = &conf.sink,
+     .descr = "sink device name"},
+    {.name  = "SOURCE",
+     .tag   = AUD_OPT_STR,
+     .valp  = &conf.source,
+     .descr = "source device name"},
+    { /* End of list */ }
 };
 
 static struct audio_pcm_ops qpa_pcm_ops = {
diff --git a/audio/sdlaudio.c b/audio/sdlaudio.c
index 6870fdf1ed..e2563ba532 100644
--- a/audio/sdlaudio.c
+++ b/audio/sdlaudio.c
@@ -420,9 +420,11 @@ static void sdl_audio_fini (void *opaque)
 }
 
 static struct audio_option sdl_options[] = {
-    {"SAMPLES", AUD_OPT_INT, &conf.nb_samples,
-     "Size of SDL buffer in samples", NULL, 0},
-    {NULL, 0, NULL, NULL, NULL, 0}
+    {.name  = "SAMPLES",
+     .tag   = AUD_OPT_INT,
+     .valp  = &conf.nb_samples,
+     .descr = "Size of SDL buffer in samples"},
+    { /* End of list */ }
 };
 
 static struct audio_pcm_ops sdl_pcm_ops = {
diff --git a/audio/wavaudio.c b/audio/wavaudio.c
index 96cc49d136..51ed6eb5dc 100644
--- a/audio/wavaudio.c
+++ b/audio/wavaudio.c
@@ -219,18 +219,23 @@ static void wav_audio_fini (void *opaque)
 }
 
 static struct audio_option wav_options[] = {
-    {"FREQUENCY", AUD_OPT_INT, &conf.settings.freq,
-     "Frequency", NULL, 0},
-
-    {"FORMAT", AUD_OPT_FMT, &conf.settings.fmt,
-     "Format", NULL, 0},
-
-    {"DAC_FIXED_CHANNELS", AUD_OPT_INT, &conf.settings.nchannels,
-     "Number of channels (1 - mono, 2 - stereo)", NULL, 0},
-
-    {"PATH", AUD_OPT_STR, &conf.wav_path,
-     "Path to wave file", NULL, 0},
-    {NULL, 0, NULL, NULL, NULL, 0}
+    {.name  = "FREQUENCY",
+     .tag   = AUD_OPT_INT,
+     .valp  = &conf.settings.freq,
+     .descr = "Frequency"},
+    {.name  = "FORMAT",
+     .tag   = AUD_OPT_FMT,
+     .valp  = &conf.settings.fmt,
+     .descr = "Format"},
+    {.name  = "DAC_FIXED_CHANNELS",
+     .tag   = AUD_OPT_INT,
+     .valp  = &conf.settings.nchannels,
+     .descr = "Number of channels (1 - mono, 2 - stereo)"},
+    {.name  = "PATH",
+     .tag   = AUD_OPT_STR,
+     .valp  = &conf.wav_path,
+     .descr = "Path to wave file"},
+    { /* End of list */ }
 };
 
 static struct audio_pcm_ops wav_pcm_ops = {