snd_pcm_sw_params 420 include/uapi/sound/asound.h struct snd_pcm_sw_params { snd_pcm_sw_params 790 sound/core/pcm_native.c static int snd_pcm_sw_params(struct snd_pcm_substream *substream, snd_pcm_sw_params 420 tools/include/uapi/sound/asound.h struct snd_pcm_sw_params {