diff options
| author | Bard Liao <yung-chuan.liao@linux.intel.com> | 2026-07-30 09:25:18 +0800 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2026-07-31 13:23:10 +0100 |
| commit | 992eb0dfbc4f594d60ae57974efa835bfac34d1e (patch) | |
| tree | b94603b2f06bedd495fdb9874e41b7a01de2dd00 /sound/soc/sof | |
| parent | e780e4917d43683224812400fe3dc4816fceba75 (diff) | |
ASoC/soundwire: Intel: reset the PCMSyCM registers in hda_sdw_bpt_close
Resetting the PCMSyCM registers is required for Intel SoundWire stream. The
same procedure is done in sdw_hda_dai_hw_params() for the normal
SoundWire stream, too.
Signed-off-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Reviewed-by: Péter Ujfalusi <peter.ujfalusi@linux.intel.com>
Reviewed-by: Liam Girdwood <liam.r.girdwood@intel.com>
Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.dev>
Acked-by: Vinod Koul <vkoul@kernel.org>
Link: https://patch.msgid.link/20260730012518.2180906-1-yung-chuan.liao@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound/soc/sof')
| -rw-r--r-- | sound/soc/sof/intel/hda-sdw-bpt.c | 31 |
1 files changed, 28 insertions, 3 deletions
diff --git a/sound/soc/sof/intel/hda-sdw-bpt.c b/sound/soc/sof/intel/hda-sdw-bpt.c index 728ffe7ae54d..7351a0870725 100644 --- a/sound/soc/sof/intel/hda-sdw-bpt.c +++ b/sound/soc/sof/intel/hda-sdw-bpt.c @@ -322,7 +322,8 @@ int hda_sdw_bpt_open(struct device *dev, int link_id, struct hdac_ext_stream **b __func__, ret); close: - ret1 = hda_sdw_bpt_close(dev, *bpt_tx_stream, dmab_tx_bdl, *bpt_rx_stream, dmab_rx_bdl); + ret1 = hda_sdw_bpt_close(dev, link_id, *bpt_tx_stream, dmab_tx_bdl, + *bpt_rx_stream, dmab_rx_bdl); if (ret1 < 0) dev_err(dev, "%s: hda_sdw_bpt_close failed: %d\n", __func__, ret1); @@ -447,14 +448,38 @@ dma_disable: } EXPORT_SYMBOL_NS(hda_sdw_bpt_wait, "SND_SOC_SOF_INTEL_HDA_SDW_BPT"); -int hda_sdw_bpt_close(struct device *dev, struct hdac_ext_stream *bpt_tx_stream, +int hda_sdw_bpt_close(struct device *dev, int link_id, struct hdac_ext_stream *bpt_tx_stream, struct snd_dma_buffer *dmab_tx_bdl, struct hdac_ext_stream *bpt_rx_stream, struct snd_dma_buffer *dmab_rx_bdl) { + struct snd_sof_dev *sdev = dev_get_drvdata(dev); int ret; int ret1; - ret = hda_sdw_bpt_dma_deprepare(dev, bpt_rx_stream, dmab_rx_bdl); + /* + * In the case of SoundWire we need to reset the PCMSyCM registers. + * Need to continue depreparing the DMA buffers even if this fails. + */ + ret = hdac_bus_eml_sdw_map_stream_ch(sof_to_bus(sdev), link_id, + 0, /* PDI0 */ + 0, 0, SNDRV_PCM_STREAM_PLAYBACK); + if (ret < 0) + dev_err(dev, "%s: hdac_bus_eml_sdw_map_stream_ch failed %d for PDI0\n", + __func__, ret); + + ret1 = hdac_bus_eml_sdw_map_stream_ch(sof_to_bus(sdev), link_id, + 1, /* PDI1 */ + 0, 0, SNDRV_PCM_STREAM_CAPTURE); + if (ret1 < 0) { + dev_err(dev, "%s: hdac_bus_eml_sdw_map_stream_ch failed %d for PDI1\n", + __func__, ret1); + if (!ret) + ret = ret1; + } + + ret1 = hda_sdw_bpt_dma_deprepare(dev, bpt_rx_stream, dmab_rx_bdl); + if (!ret) + ret = ret1; ret1 = hda_sdw_bpt_dma_deprepare(dev, bpt_tx_stream, dmab_tx_bdl); if (!ret) |