From ae81d8fd57ff7d2b421c80f0f9426d9e775023b5 Mon Sep 17 00:00:00 2001 From: Pierre-Louis Bossart Date: Tue, 7 Dec 2021 13:39:44 -0600 Subject: [PATCH] ASoC: SOF: hda-stream: only enable DPIB if needed MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit The existing code is inconsistent, we should only enable DPIB if the 'use_posbuf' field is true. Signed-off-by: Pierre-Louis Bossart Reviewed-by: Ranjani Sridharan Reviewed-by: Péter Ujfalusi Link: https://lore.kernel.org/r/20211207193947.71080-5-pierre-louis.bossart@linux.intel.com Signed-off-by: Mark Brown --- sound/soc/sof/intel/hda-stream.c | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) diff --git a/sound/soc/sof/intel/hda-stream.c b/sound/soc/sof/intel/hda-stream.c index 5f9eb5bdcdba..e910f68706d9 100644 --- a/sound/soc/sof/intel/hda-stream.c +++ b/sound/soc/sof/intel/hda-stream.c @@ -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, -- 2.11.0