diff options
Diffstat (limited to 'sound/soc/sof/intel/hda.c')
| -rw-r--r-- | sound/soc/sof/intel/hda.c | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/sound/soc/sof/intel/hda.c b/sound/soc/sof/intel/hda.c index 835c2568dd60..066f27e3402f 100644 --- a/sound/soc/sof/intel/hda.c +++ b/sound/soc/sof/intel/hda.c @@ -222,6 +222,31 @@ int hda_sdw_check_lcount_common(struct snd_sof_dev *sdev) return 0; } +int hda_sdw_check_lcount_ext(struct snd_sof_dev *sdev) +{ + struct sof_intel_hda_dev *hdev; + struct sdw_intel_ctx *ctx; + struct hdac_bus *bus; + u32 slcount; + + bus = sof_to_bus(sdev); + + hdev = sdev->pdata->hw_pdata; + ctx = hdev->sdw; + + slcount = hdac_bus_eml_get_count(bus, true, AZX_REG_ML_LEPTR_ID_SDW); + + /* Check HW supported vs property value */ + if (slcount < ctx->count) { + dev_err(sdev->dev, + "%s: BIOS master count %d is larger than hardware capabilities %d\n", + __func__, ctx->count, slcount); + return -EINVAL; + } + + return 0; +} + static int hda_sdw_check_lcount(struct snd_sof_dev *sdev) { const struct sof_intel_dsp_desc *chip; |