struct timespec *system_ts, struct timespec *audio_ts,
struct snd_pcm_audio_tstamp_config *audio_tstamp_config,
struct snd_pcm_audio_tstamp_report *audio_tstamp_report);
- int (*copy)(struct snd_pcm_substream *substream, int channel,
- snd_pcm_uframes_t pos,
- void __user *buf, snd_pcm_uframes_t count);
- int (*silence)(struct snd_pcm_substream *substream, int channel,
- snd_pcm_uframes_t pos, snd_pcm_uframes_t count);
int (*fill_silence)(struct snd_pcm_substream *substream, int channel,
unsigned long pos, unsigned long bytes);
int (*copy_user)(struct snd_pcm_substream *substream, int channel,
frames_to_bytes(runtime, ofs),
frames_to_bytes(runtime, transfer));
snd_BUG_ON(err < 0);
- } else if (substream->ops->silence) {
- err = substream->ops->silence(substream, -1, ofs, transfer);
- snd_BUG_ON(err < 0);
} else {
hwbuf = runtime->dma_area + frames_to_bytes(runtime, ofs);
snd_pcm_format_set_silence(runtime->format, hwbuf, transfer * runtime->channels);
samples_to_bytes(runtime, transfer));
snd_BUG_ON(err < 0);
}
- } else if (substream->ops->silence) {
- for (c = 0; c < channels; ++c) {
- err = substream->ops->silence(substream, c, ofs, transfer);
- snd_BUG_ON(err < 0);
- }
} else {
size_t dma_csize = runtime->dma_bytes / channels;
for (c = 0; c < channels; ++c) {
err = substream->ops->copy_user(substream, 0, hwoff, buf, frames);
if (err < 0)
return err;
- } else if (substream->ops->copy) {
- if ((err = substream->ops->copy(substream, -1, hwoff, buf, frames)) < 0)
- return err;
} else {
char *hwbuf = runtime->dma_area + frames_to_bytes(runtime, hwoff);
if (copy_from_user(hwbuf, buf, frames_to_bytes(runtime, frames)))
if (PCM_RUNTIME_CHECK(substream))
return -ENXIO;
runtime = substream->runtime;
- if (snd_BUG_ON(!substream->ops->copy_user && !substream->ops->copy
- && !runtime->dma_area))
+ if (snd_BUG_ON(!substream->ops->copy_user && !runtime->dma_area))
return -EINVAL;
if (runtime->status->state == SNDRV_PCM_STATE_OPEN)
return -EBADFD;
if (err < 0)
return err;
}
- } else if (substream->ops->copy) {
- if (snd_BUG_ON(!substream->ops->silence))
- return -EINVAL;
- for (c = 0; c < channels; ++c, ++bufs) {
- if (*bufs == NULL) {
- if ((err = substream->ops->silence(substream, c, hwoff, frames)) < 0)
- return err;
- } else {
- buf = *bufs + samples_to_bytes(runtime, off);
- if ((err = substream->ops->copy(substream, c, hwoff, buf, frames)) < 0)
- return err;
- }
- }
} else {
/* default transfer behaviour */
size_t dma_csize = runtime->dma_bytes / channels;
err = substream->ops->copy_user(substream, 0, hwoff, buf, frames);
if (err < 0)
return err;
- } else if (substream->ops->copy) {
- if ((err = substream->ops->copy(substream, -1, hwoff, buf, frames)) < 0)
- return err;
} else {
char *hwbuf = runtime->dma_area + frames_to_bytes(runtime, hwoff);
if (copy_to_user(buf, hwbuf, frames_to_bytes(runtime, frames)))
if (err < 0)
return err;
}
- } else if (substream->ops->copy) {
- for (c = 0; c < channels; ++c, ++bufs) {
- if (*bufs == NULL)
- continue;
- buf = *bufs + samples_to_bytes(runtime, off);
- if ((err = substream->ops->copy(substream, c, hwoff, buf, frames)) < 0)
- return err;
- }
} else {
snd_pcm_uframes_t dma_csize = runtime->dma_bytes / channels;
for (c = 0; c < channels; ++c, ++bufs) {