diff options
Diffstat (limited to 'sound/soc/codecs/rt715-sdca.c')
| -rw-r--r-- | sound/soc/codecs/rt715-sdca.c | 41 |
1 files changed, 31 insertions, 10 deletions
diff --git a/sound/soc/codecs/rt715-sdca.c b/sound/soc/codecs/rt715-sdca.c index b989f907784b..9fa96fd83d4a 100644 --- a/sound/soc/codecs/rt715-sdca.c +++ b/sound/soc/codecs/rt715-sdca.c @@ -761,8 +761,12 @@ static const struct snd_soc_dapm_route rt715_sdca_audio_map[] = { static int rt715_sdca_probe(struct snd_soc_component *component) { + struct rt715_sdca_priv *rt715 = snd_soc_component_get_drvdata(component); int ret; + if (!rt715->first_hw_init) + return 0; + ret = pm_runtime_resume(component->dev); if (ret < 0 && ret != -EACCES) return ret; @@ -977,6 +981,10 @@ int rt715_sdca_init(struct device *dev, struct regmap *mbq_regmap, rt715->regmap = regmap; rt715->mbq_regmap = mbq_regmap; rt715->hw_sdw_ver = slave->id.sdw_version; + + regcache_cache_only(rt715->regmap, true); + regcache_cache_only(rt715->mbq_regmap, true); + /* * Mark hw_init to false * HW init will be performed when device reports present @@ -988,6 +996,25 @@ int rt715_sdca_init(struct device *dev, struct regmap *mbq_regmap, &soc_codec_dev_rt715_sdca, rt715_sdca_dai, ARRAY_SIZE(rt715_sdca_dai)); + if (ret < 0) + return ret; + + /* set autosuspend parameters */ + pm_runtime_set_autosuspend_delay(dev, 3000); + pm_runtime_use_autosuspend(dev); + + /* make sure the device does not suspend immediately */ + pm_runtime_mark_last_busy(dev); + + pm_runtime_enable(dev); + + /* important note: the device is NOT tagged as 'active' and will remain + * 'suspended' until the hardware is enumerated/initialized. This is required + * to make sure the ASoC framework use of pm_runtime_get_sync() does not silently + * fail with -EACCESS because of race conditions between card creation and enumeration + */ + + dev_dbg(dev, "%s\n", __func__); return ret; } @@ -1000,22 +1027,16 @@ int rt715_sdca_io_init(struct device *dev, struct sdw_slave *slave) if (rt715->hw_init) return 0; + regcache_cache_only(rt715->regmap, false); + regcache_cache_only(rt715->mbq_regmap, false); + /* - * PM runtime is only enabled when a Slave reports as Attached + * PM runtime status is marked as 'active' only when a Slave reports as Attached */ if (!rt715->first_hw_init) { - /* set autosuspend parameters */ - pm_runtime_set_autosuspend_delay(&slave->dev, 3000); - pm_runtime_use_autosuspend(&slave->dev); - /* update count of parent 'active' children */ pm_runtime_set_active(&slave->dev); - /* make sure the device does not suspend immediately */ - pm_runtime_mark_last_busy(&slave->dev); - - pm_runtime_enable(&slave->dev); - rt715->first_hw_init = true; } |