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-rw-r--r--src/devices/sound/spkrdev.cpp11
1 files changed, 4 insertions, 7 deletions
diff --git a/src/devices/sound/spkrdev.cpp b/src/devices/sound/spkrdev.cpp
index 4af44791921..fc912fbd367 100644
--- a/src/devices/sound/spkrdev.cpp
+++ b/src/devices/sound/spkrdev.cpp
@@ -76,20 +76,17 @@
#include "sound/spkrdev.h"
-static const int16_t default_levels[2] = {0, 32767};
+static constexpr int16_t default_levels[2] = {0, 32767};
// Internal oversampling factor (interm. samples vs stream samples)
-static const int RATE_MULTIPLIER = 4;
+static constexpr int RATE_MULTIPLIER = 4;
-const device_type SPEAKER_SOUND = device_creator<speaker_sound_device>;
-
-template class device_finder<speaker_sound_device, false>;
-template class device_finder<speaker_sound_device, true>;
+DEFINE_DEVICE_TYPE(SPEAKER_SOUND, speaker_sound_device, "speaker_sound_device", "Filtered 1-bit DAC")
speaker_sound_device::speaker_sound_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock)
- : device_t(mconfig, SPEAKER_SOUND, "Filtered 1-bit DAC", tag, owner, clock, "speaker_sound", __FILE__)
+ : device_t(mconfig, SPEAKER_SOUND, tag, owner, clock)
, device_sound_interface(mconfig, *this)
, m_num_levels(2)
, m_levels(default_levels)