From: Chao Song chao.song@linux.intel.com

Existing HDA stream creation is split into two for loops for capture and playback, but most of the code in the two for loops are duplicated.

This patch refactors HDA stream creation with a single for loop, thus remove code duplication.

No functional change in this patch.

Reviewed-by: Bard Liao yung-chuan.liao@linux.intel.com Reviewed-by: Rander Wang rander.wang@intel.com Reviewed-by: Ranjani Sridharan ranjani.sridharan@linux.intel.com Signed-off-by: Chao Song chao.song@linux.intel.com Signed-off-by: Pierre-Louis Bossart pierre-louis.bossart@linux.intel.com --- sound/soc/sof/intel/hda-stream.c | 68 ++++---------------------------- 1 file changed, 8 insertions(+), 60 deletions(-)

diff --git a/sound/soc/sof/intel/hda-stream.c b/sound/soc/sof/intel/hda-stream.c index b13acb959653..0b0087abcc50 100644 --- a/sound/soc/sof/intel/hda-stream.c +++ b/sound/soc/sof/intel/hda-stream.c @@ -869,8 +869,8 @@ int hda_dsp_stream_init(struct snd_sof_dev *sdev) return -ENOMEM; }

- /* create capture streams */ - for (i = 0; i < num_capture; i++) { + /* create capture and playback streams */ + for (i = 0; i < num_total; i++) { struct sof_intel_hda_stream *hda_stream;

hda_stream = devm_kzalloc(sdev->dev, sizeof(*hda_stream), @@ -909,69 +909,17 @@ int hda_dsp_stream_init(struct snd_sof_dev *sdev) hstream->index = i; sd_offset = SOF_STREAM_SD_OFFSET(hstream); hstream->sd_addr = sdev->bar[HDA_DSP_HDA_BAR] + sd_offset; - hstream->stream_tag = i + 1; hstream->opened = false; hstream->running = false; - hstream->direction = SNDRV_PCM_STREAM_CAPTURE;

- /* memory alloc for stream BDL */ - ret = snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, &pci->dev, - HDA_DSP_BDL_SIZE, &hstream->bdl); - if (ret < 0) { - dev_err(sdev->dev, "error: stream bdl dma alloc failed\n"); - return -ENOMEM; - } - hstream->posbuf = (__le32 *)(bus->posbuf.area + - (hstream->index) * 8); - - list_add_tail(&hstream->list, &bus->stream_list); - } - - /* create playback streams */ - for (i = num_capture; i < num_total; i++) { - struct sof_intel_hda_stream *hda_stream; - - hda_stream = devm_kzalloc(sdev->dev, sizeof(*hda_stream), - GFP_KERNEL); - if (!hda_stream) - return -ENOMEM; - - hda_stream->sdev = sdev; - - hext_stream = &hda_stream->hext_stream; - - if (sdev->bar[HDA_DSP_PP_BAR]) { - hext_stream->pphc_addr = sdev->bar[HDA_DSP_PP_BAR] + - SOF_HDA_PPHC_BASE + SOF_HDA_PPHC_INTERVAL * i; - - hext_stream->pplc_addr = sdev->bar[HDA_DSP_PP_BAR] + - SOF_HDA_PPLC_BASE + SOF_HDA_PPLC_MULTI * num_total + - SOF_HDA_PPLC_INTERVAL * i; + if (i < num_capture) { + hstream->stream_tag = i + 1; + hstream->direction = SNDRV_PCM_STREAM_CAPTURE; + } else { + hstream->stream_tag = i - num_capture + 1; + hstream->direction = SNDRV_PCM_STREAM_PLAYBACK; }

- hstream = &hext_stream->hstream; - - /* do we support SPIB */ - if (sdev->bar[HDA_DSP_SPIB_BAR]) { - hstream->spib_addr = sdev->bar[HDA_DSP_SPIB_BAR] + - SOF_HDA_SPIB_BASE + SOF_HDA_SPIB_INTERVAL * i + - SOF_HDA_SPIB_SPIB; - - hstream->fifo_addr = sdev->bar[HDA_DSP_SPIB_BAR] + - SOF_HDA_SPIB_BASE + SOF_HDA_SPIB_INTERVAL * i + - SOF_HDA_SPIB_MAXFIFO; - } - - hstream->bus = bus; - hstream->sd_int_sta_mask = 1 << i; - hstream->index = i; - sd_offset = SOF_STREAM_SD_OFFSET(hstream); - hstream->sd_addr = sdev->bar[HDA_DSP_HDA_BAR] + sd_offset; - hstream->stream_tag = i - num_capture + 1; - hstream->opened = false; - hstream->running = false; - hstream->direction = SNDRV_PCM_STREAM_PLAYBACK; - /* mem alloc for stream BDL */ ret = snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, &pci->dev, HDA_DSP_BDL_SIZE, &hstream->bdl);