318 	return bytes_to_frames(substream->runtime, prm->hw_ptr);  in uac2_pcm_pointer()
336 		prm->dma_bytes = substream->runtime->dma_bytes;  in uac2_pcm_hw_params()
337 		prm->dma_area = substream->runtime->dma_area;  in uac2_pcm_hw_params()
364 	struct snd_pcm_runtime *runtime = substream->runtime;  in uac2_pcm_open()  local
381 	runtime->hw = uac2_pcm_hardware;  in uac2_pcm_open()
385 		runtime->hw.rate_min = p_srate;  in uac2_pcm_open()
388 			runtime->hw.formats = SNDRV_PCM_FMTBIT_S24_3LE;  in uac2_pcm_open()
391 			runtime->hw.formats = SNDRV_PCM_FMTBIT_S32_LE;  in uac2_pcm_open()
394 			runtime->hw.formats = SNDRV_PCM_FMTBIT_S16_LE;  in uac2_pcm_open()
397 		runtime->hw.channels_min = num_channels(p_chmask);  in uac2_pcm_open()
398 		runtime->hw.period_bytes_min = 2 * uac2->p_prm.max_psize  in uac2_pcm_open()
399 						/ runtime->hw.periods_min;  in uac2_pcm_open()
402 		runtime->hw.rate_min = c_srate;  in uac2_pcm_open()
405 			runtime->hw.formats = SNDRV_PCM_FMTBIT_S24_3LE;  in uac2_pcm_open()
408 			runtime->hw.formats = SNDRV_PCM_FMTBIT_S32_LE;  in uac2_pcm_open()
411 			runtime->hw.formats = SNDRV_PCM_FMTBIT_S16_LE;  in uac2_pcm_open()
414 		runtime->hw.channels_min = num_channels(c_chmask);  in uac2_pcm_open()
415 		runtime->hw.period_bytes_min = 2 * uac2->c_prm.max_psize  in uac2_pcm_open()
416 						/ runtime->hw.periods_min;  in uac2_pcm_open()
419 	runtime->hw.rate_max = runtime->hw.rate_min;  in uac2_pcm_open()
420 	runtime->hw.channels_max = runtime->hw.channels_min;  in uac2_pcm_open()
422 	snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS);  in uac2_pcm_open()