.compat_ioctl = snd_pcm_ioctl_compat, .mmap = snd_pcm_mmap, .fasync = snd_pcm_fasync, .get_unmapped_area = snd_pcm_get_unmapped_area, }, { .owner = THIS_MODULE, .read = snd_pcm_read, .aio_read = snd_pcm_aio_read, .open = snd_pcm_capture_open, .release = snd_pcm_release...
.mmap = snd_pcm_mmap, .fasync = snd_pcm_fasync, .get_unmapped_area = snd_pcm_get_unmapped_area, }, { .owner = THIS_MODULE, .read = snd_pcm_read, .aio_read = snd_pcm_aio_read, .open = snd_pcm_capture_open, .release = snd_pcm_release, .llseek = no_llseek, .poll = snd_...
.compat_ioctl = snd_pcm_ioctl_compat, .mmap = snd_pcm_mmap, .fasync = snd_pcm_fasync, .get_unmapped_area = snd_pcm_get_unmapped_area, }, { .owner = THIS_MODULE, .read = snd_pcm_read, .aio_read = snd_pcm_aio_read, .open = snd_pcm_capture_open, .release = snd_pcm_release...
.compat_ioctl = snd_pcm_ioctl_compat, .mmap = snd_pcm_mmap, .fasync = snd_pcm_fasync, .get_unmapped_area = snd_pcm_get_unmapped_area, }, { .owner = THIS_MODULE, .read = snd_pcm_read, .aio_read = snd_pcm_aio_read, .open = snd_pcm_capture_open, .release = snd_pcm_release...
.mmap = snd_pcm_mmap, .fasync = snd_pcm_fasync, .get_unmapped_area = snd_pcm_get_unmapped_area, }, { .owner = THIS_MODULE, .read = snd_pcm_read, .aio_read = snd_pcm_aio_read, .open = snd_pcm_capture_open, .release = snd_pcm_release, ...
PCM_OUT 0x00000000 #define PCM_IN 0x10000000 #define PCM_MMAP 0x00000001 #define PCM_...
intpcm_read(structpcm*pcm,void*data,unsignedintcount); 1 1 /* 这是一个可选的和hardware通信的方式。 */ 1 intpcm_mmap_write(structpcm*pcm,constvoid*data,unsignedintcount); 1 intpcm_mmap_read(structpcm*pcm,void*data,unsignedintcount); ...
.mmap=snd_pcm_mmap,.fasync=snd_pcm_fasync,.get_unmapped_area=snd_pcm_get_unmapped_area,},{.owner=THIS_MODULE,.read=snd_pcm_read,.aio_read=snd_pcm_aio_read,.open=snd_pcm_capture_open,.release=snd_pcm_release,.llseek=no_llseek,.poll=snd_pcm_capture_poll,.unlocked_ioctl=snd_pcm_...
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.mmap = snd_pcm_mmap, .fasync = snd_pcm_fasync, .get_unmapped_area = snd_pcm_get_unmapped_area, }, { .owner = THIS_MODULE, .read = snd_pcm_read, .aio_read = snd_pcm_aio_read, .open = snd_pcm_capture_open, .release = snd_pcm_release, ...