-enum {
- SNDRV_PCM_IOCTL_PVERSION = _IOR('A', 0x00, int),
- SNDRV_PCM_IOCTL_INFO = _IOR('A', 0x01, struct snd_pcm_info),
- SNDRV_PCM_IOCTL_TSTAMP = _IOW('A', 0x02, int),
- SNDRV_PCM_IOCTL_TTSTAMP = _IOW('A', 0x03, int),
- SNDRV_PCM_IOCTL_HW_REFINE = _IOWR('A', 0x10, struct snd_pcm_hw_params),
- SNDRV_PCM_IOCTL_HW_PARAMS = _IOWR('A', 0x11, struct snd_pcm_hw_params),
- SNDRV_PCM_IOCTL_HW_FREE = _IO('A', 0x12),
- SNDRV_PCM_IOCTL_SW_PARAMS = _IOWR('A', 0x13, struct snd_pcm_sw_params),
- SNDRV_PCM_IOCTL_STATUS = _IOR('A', 0x20, struct snd_pcm_status),
- SNDRV_PCM_IOCTL_DELAY = _IOR('A', 0x21, snd_pcm_sframes_t),
- SNDRV_PCM_IOCTL_HWSYNC = _IO('A', 0x22),
- SNDRV_PCM_IOCTL_SYNC_PTR = _IOWR('A', 0x23, struct snd_pcm_sync_ptr),
- SNDRV_PCM_IOCTL_CHANNEL_INFO = _IOR('A', 0x32, struct snd_pcm_channel_info),
- SNDRV_PCM_IOCTL_PREPARE = _IO('A', 0x40),
- SNDRV_PCM_IOCTL_RESET = _IO('A', 0x41),
- SNDRV_PCM_IOCTL_START = _IO('A', 0x42),
- SNDRV_PCM_IOCTL_DROP = _IO('A', 0x43),
- SNDRV_PCM_IOCTL_DRAIN = _IO('A', 0x44),
- SNDRV_PCM_IOCTL_PAUSE = _IOW('A', 0x45, int),
- SNDRV_PCM_IOCTL_REWIND = _IOW('A', 0x46, snd_pcm_uframes_t),
- SNDRV_PCM_IOCTL_RESUME = _IO('A', 0x47),
- SNDRV_PCM_IOCTL_XRUN = _IO('A', 0x48),
- SNDRV_PCM_IOCTL_FORWARD = _IOW('A', 0x49, snd_pcm_uframes_t),
- SNDRV_PCM_IOCTL_WRITEI_FRAMES = _IOW('A', 0x50, struct snd_xferi),
- SNDRV_PCM_IOCTL_READI_FRAMES = _IOR('A', 0x51, struct snd_xferi),
- SNDRV_PCM_IOCTL_WRITEN_FRAMES = _IOW('A', 0x52, struct snd_xfern),
- SNDRV_PCM_IOCTL_READN_FRAMES = _IOR('A', 0x53, struct snd_xfern),
- SNDRV_PCM_IOCTL_LINK = _IOW('A', 0x60, int),
- SNDRV_PCM_IOCTL_UNLINK = _IO('A', 0x61),
-};
-
-/* Trick to make alsa-lib/acinclude.m4 happy */
-#define SNDRV_PCM_IOCTL_REWIND SNDRV_PCM_IOCTL_REWIND
+#define SNDRV_PCM_IOCTL_PVERSION _IOR('A', 0x00, int)
+#define SNDRV_PCM_IOCTL_INFO _IOR('A', 0x01, struct snd_pcm_info)
+#define SNDRV_PCM_IOCTL_TSTAMP _IOW('A', 0x02, int)
+#define SNDRV_PCM_IOCTL_TTSTAMP _IOW('A', 0x03, int)
+#define SNDRV_PCM_IOCTL_HW_REFINE _IOWR('A', 0x10, struct snd_pcm_hw_params)
+#define SNDRV_PCM_IOCTL_HW_PARAMS _IOWR('A', 0x11, struct snd_pcm_hw_params)
+#define SNDRV_PCM_IOCTL_HW_FREE _IO('A', 0x12)
+#define SNDRV_PCM_IOCTL_SW_PARAMS _IOWR('A', 0x13, struct snd_pcm_sw_params)
+#define SNDRV_PCM_IOCTL_STATUS _IOR('A', 0x20, struct snd_pcm_status)
+#define SNDRV_PCM_IOCTL_DELAY _IOR('A', 0x21, snd_pcm_sframes_t)
+#define SNDRV_PCM_IOCTL_HWSYNC _IO('A', 0x22)
+#define SNDRV_PCM_IOCTL_SYNC_PTR _IOWR('A', 0x23, struct snd_pcm_sync_ptr)
+#define SNDRV_PCM_IOCTL_CHANNEL_INFO _IOR('A', 0x32, struct snd_pcm_channel_info)
+#define SNDRV_PCM_IOCTL_PREPARE _IO('A', 0x40)
+#define SNDRV_PCM_IOCTL_RESET _IO('A', 0x41)
+#define SNDRV_PCM_IOCTL_START _IO('A', 0x42)
+#define SNDRV_PCM_IOCTL_DROP _IO('A', 0x43)
+#define SNDRV_PCM_IOCTL_DRAIN _IO('A', 0x44)
+#define SNDRV_PCM_IOCTL_PAUSE _IOW('A', 0x45, int)
+#define SNDRV_PCM_IOCTL_REWIND _IOW('A', 0x46, snd_pcm_uframes_t)
+#define SNDRV_PCM_IOCTL_RESUME _IO('A', 0x47)
+#define SNDRV_PCM_IOCTL_XRUN _IO('A', 0x48)
+#define SNDRV_PCM_IOCTL_FORWARD _IOW('A', 0x49, snd_pcm_uframes_t)
+#define SNDRV_PCM_IOCTL_WRITEI_FRAMES _IOW('A', 0x50, struct snd_xferi)
+#define SNDRV_PCM_IOCTL_READI_FRAMES _IOR('A', 0x51, struct snd_xferi)
+#define SNDRV_PCM_IOCTL_WRITEN_FRAMES _IOW('A', 0x52, struct snd_xfern)
+#define SNDRV_PCM_IOCTL_READN_FRAMES _IOR('A', 0x53, struct snd_xfern)
+#define SNDRV_PCM_IOCTL_LINK _IOW('A', 0x60, int)
+#define SNDRV_PCM_IOCTL_UNLINK _IO('A', 0x61)