if (runtime->status->state == SNDRV_PCM_STATE_RUNNING)
snd_pcm_update_hw_ptr(substream);
+ /*
+ * If size < start_threshold, wait indefinitely. Another
+ * thread may start capture
+ */
if (!is_playback &&
runtime->status->state == SNDRV_PCM_STATE_PREPARED &&
size >= runtime->start_threshold) {
if (frames > cont)
frames = cont;
if (snd_BUG_ON(!frames)) {
- runtime->twake = 0;
- snd_pcm_stream_unlock_irq(substream);
- return -EINVAL;
+ err = -EINVAL;
+ goto _end_unlock;
}
snd_pcm_stream_unlock_irq(substream);
err = writer(substream, appl_ofs, data, offset, frames,