fill_silence
int (*fill_silence)(struct snd_pcm_substream *substream, int channel,
if (substream->ops->fill_silence)
return substream->ops->fill_silence(substream, channel,
err = fill_silence(substream, c, hwoff, NULL, frames);
fill_silence, true);
fill_silence, true);
transfer = fill_silence;
.fill_silence = dummy_pcm_silence,
.fill_silence = snd_gf1_pcm_playback_silence,
.fill_silence = emu8k_pcm_silence,
.fill_silence = snd_korg1212_playback_silence,
.fill_silence = snd_nm256_playback_silence,
.fill_silence = snd_rme32_playback_silence,
.fill_silence = snd_rme32_playback_silence,
.fill_silence = snd_rme96_playback_silence,
.fill_silence = snd_rme96_playback_silence,
.fill_silence = snd_hdsp_hw_silence,
.fill_silence = snd_rme9652_hw_silence,
.fill_silence = snd_sh_dac_pcm_silence,
.fill_silence = alsa_pb_fill_silence,