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ASoC: SOF: hda-stream: only enable DPIB if needed

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The existing code is inconsistent, we should only enable DPIB if the
'use_posbuf' field is true.

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>
Link: https://lore.kernel.org/r/20211207193947.71080-5-pierre-louis.bossart@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Pierre-Louis Bossart 2021-12-07 13:39:44 -06:00 committed by Mark Brown
parent 12ce213821
commit ae81d8fd57
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GPG Key ID: 24D68B725D5487D0
1 changed files with 4 additions and 3 deletions
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7
sound/soc/sof/intel/hda-stream.c
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@ -626,9 +626,10 @@ int hda_dsp_stream_hw_params(struct snd_sof_dev *sdev,
sd_offset + SOF_HDA_ADSP_REG_CL_SD_BDLPU,
upper_32_bits(hstream->bdl.addr));
/* enable position buffer */
if (!(snd_sof_dsp_read(sdev, HDA_DSP_HDA_BAR, SOF_HDA_ADSP_DPLBASE)
& SOF_HDA_ADSP_DPLBASE_ENABLE)) {
/* enable position buffer, if needed */
if (bus->use_posbuf && bus->posbuf.addr &&
!(snd_sof_dsp_read(sdev, HDA_DSP_HDA_BAR, SOF_HDA_ADSP_DPLBASE)
& SOF_HDA_ADSP_DPLBASE_ENABLE)) {
snd_sof_dsp_write(sdev, HDA_DSP_HDA_BAR, SOF_HDA_ADSP_DPUBASE,
upper_32_bits(bus->posbuf.addr));
snd_sof_dsp_write(sdev, HDA_DSP_HDA_BAR, SOF_HDA_ADSP_DPLBASE,