soc/sof/compress.c

50 	struct snd_soc_pcm_runtime *rtd;
59 	rtd = cstream->private_data;
62 	component = snd_soc_rtdcom_lookup(rtd, SOF_AUDIO_PCM_DRV_NAME);
64 	spcm = snd_sof_find_spcm_dai(component, rtd);
83 	struct snd_soc_pcm_runtime *rtd = cstream->private_data;
87 	spcm = snd_sof_find_spcm_dai(component, rtd);
98 	struct snd_soc_pcm_runtime *rtd = cstream->private_data;
108 	spcm = snd_sof_find_spcm_dai(component, rtd);
136 	struct snd_soc_pcm_runtime *rtd = cstream->private_data;
141 	spcm = snd_sof_find_spcm_dai(component, rtd);
166 	struct snd_soc_pcm_runtime *rtd = cstream->private_data;
188 	spcm = snd_sof_find_spcm_dai(component, rtd);
272 	struct snd_soc_pcm_runtime *rtd = cstream->private_data;
276 	spcm = snd_sof_find_spcm_dai(component, rtd);
305 static int sof_compr_copy_playback(struct snd_compr_runtime *rtd,
312 	div_u64_rem(rtd->total_bytes_available, rtd->buffer_size, &offset);
313 	ptr = rtd->dma_area + offset;
314 	n = rtd->buffer_size - offset;
320 		ret += copy_from_user(rtd->dma_area, buf + n, count - n);
326 static int sof_compr_copy_capture(struct snd_compr_runtime *rtd,
333 	div_u64_rem(rtd->total_bytes_transferred, rtd->buffer_size, &offset);
334 	ptr = rtd->dma_area + offset;
335 	n = rtd->buffer_size - offset;
341 		ret += copy_to_user(buf + n, rtd->dma_area, count - n);
351 	struct snd_compr_runtime *rtd = cstream->runtime;
353 	if (count > rtd->buffer_size)
354 		count = rtd->buffer_size;
357 		return sof_compr_copy_playback(rtd, buf, count);
359 		return sof_compr_copy_capture(rtd, buf, count);
367 	struct snd_soc_pcm_runtime *rtd = cstream->private_data;
370 	spcm = snd_sof_find_spcm_dai(component, rtd);