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sysprog21 · Dec 16, 2024 · 7a7c07b · 7a7c07b
1 parent 4d9aefd
commit 7a7c07b
Showing 1 changed file with 21 additions and 18 deletions.
diff --git a/virtio-snd.c b/virtio-snd.c
@@ -64,31 +64,34 @@ enum {
     VIRTIO_SND_S_IO_ERR,
 };
 
+/* Unit: Hz */
+#define SND_PCM_RATE \
+    _(5512)          \
+    _(8000)          \
+    _(11025)         \
+    _(16000)         \
+    _(22050)         \
+    _(32000)         \
+    _(44100)         \
+    _(48000)         \
+    _(64000)         \
+    _(88200)         \
+    _(96000)         \
+    _(176400)        \
+    _(192000)        \
+    _(384000)
+
 /* supported PCM frame rates */
 enum {
-#define _(rate) VIRTIO_SND_PCM_RATE_##rate
-    _(5512) = 0, /* 5512 Hz */
-    _(8000),     /* 8000 Hz */
-    _(11025),    /* 11025 Hz */
-    _(16000),    /* 16000 Hz */
-    _(22050),    /* 22050 Hz */
-    _(32000),    /* 32000 Hz */
-    _(44100),    /* 44100 Hz */
-    _(48000),    /* 48000 Hz */
-    _(64000),    /* 64000 Hz */
-    _(88200),    /* 88200 Hz */
-    _(96000),    /* 96000 Hz */
-    _(176400),   /* 176400 Hz */
-    _(192000),   /* 192000 Hz */
-    _(384000),   /* 384000 Hz */
+#define _(rate) VIRTIO_SND_PCM_RATE_##rate,
+    SND_PCM_RATE
 #undef _
 };
 
 /* supported PCM frames rates mapping */
 int pcm_rate_tbl[] = {
-#define _(rate) [VIRTIO_SND_PCM_RATE_##rate] = rate
-    _(5512),  _(8000),  _(11025), _(16000), _(22050),  _(32000),  _(44100),
-    _(48000), _(64000), _(88200), _(96000), _(176400), _(192000), _(384000),
+#define _(rate) [VIRTIO_SND_PCM_RATE_##rate] = rate,
+    SND_PCM_RATE
 #undef _
 };