diff options
| author | Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com> | 2022-07-15 09:52:16 -0500 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2022-07-15 20:11:40 +0100 |
| commit | 321add801bcd186c6b5477c0857521e127dbf016 (patch) | |
| tree | 835ae596591c855a3b118e6da47b86a1a0fff36c /sound/soc/sof/intel/hda-stream.c | |
| parent | bdcf7926fab202d37bfc8e17f1c8ed5d2e611404 (diff) | |
ASoC: SOF: Intel: hda-stream: test DMA buffer first in hw_params
We should be consistent and always test that the DMA buffer is
allocated before continuing with the hw_params setup.
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Reviewed-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
Reviewed-by: Péter Ujfalusi <peter.ujfalusi@linux.intel.com>
Reviewed-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Link: https://lore.kernel.org/r/20220715145216.277003-12-pierre-louis.bossart@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound/soc/sof/intel/hda-stream.c')
| -rw-r--r-- | sound/soc/sof/intel/hda-stream.c | 15 |
1 files changed, 10 insertions, 5 deletions
diff --git a/sound/soc/sof/intel/hda-stream.c b/sound/soc/sof/intel/hda-stream.c index 4531e1ee5ed0..b58662faa4aa 100644 --- a/sound/soc/sof/intel/hda-stream.c +++ b/sound/soc/sof/intel/hda-stream.c @@ -411,6 +411,11 @@ int hda_dsp_iccmax_stream_hw_params(struct snd_sof_dev *sdev, struct hdac_ext_st return -ENODEV; } + if (!dmab) { + dev_err(sdev->dev, "error: no dma buffer allocated!\n"); + return -ENODEV; + } + if (hstream->posbuf) *hstream->posbuf = 0; @@ -485,16 +490,16 @@ int hda_dsp_stream_hw_params(struct snd_sof_dev *sdev, return -ENODEV; } - /* decouple host and link DMA */ - mask = 0x1 << hstream->index; - snd_sof_dsp_update_bits(sdev, HDA_DSP_PP_BAR, SOF_HDA_REG_PP_PPCTL, - mask, mask); - if (!dmab) { dev_err(sdev->dev, "error: no dma buffer allocated!\n"); return -ENODEV; } + /* decouple host and link DMA */ + mask = 0x1 << hstream->index; + snd_sof_dsp_update_bits(sdev, HDA_DSP_PP_BAR, SOF_HDA_REG_PP_PPCTL, + mask, mask); + /* clear stream status */ snd_sof_dsp_update_bits(sdev, HDA_DSP_HDA_BAR, sd_offset, SOF_HDA_CL_DMA_SD_INT_MASK | |