diff options
Diffstat (limited to 'sound')
| -rw-r--r-- | sound/soc/sof/intel/hda.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/sound/soc/sof/intel/hda.c b/sound/soc/sof/intel/hda.c index 4d48f4018617..388e41057172 100644 --- a/sound/soc/sof/intel/hda.c +++ b/sound/soc/sof/intel/hda.c @@ -175,6 +175,15 @@ static int hda_sdw_probe(struct snd_sof_dev *sdev) res.alh_base = hdev->desc->sdw_alh_base; res.ext = false; } else { + /* + * retrieve eml_lock needed to protect shared registers + * in the HDaudio multi-link areas + */ + res.eml_lock = hdac_bus_eml_get_mutex(sof_to_bus(sdev), true, + AZX_REG_ML_LEPTR_ID_SDW); + if (!res.eml_lock) + return -ENODEV; + res.mmio_base = sdev->bar[HDA_DSP_HDA_BAR]; /* * the SHIM and SoundWire register offsets are link-specific |