diff options
Diffstat (limited to 'sound/soc/codecs/rt1316-sdw.c')
| -rw-r--r-- | sound/soc/codecs/rt1316-sdw.c | 56 |
1 files changed, 39 insertions, 17 deletions
diff --git a/sound/soc/codecs/rt1316-sdw.c b/sound/soc/codecs/rt1316-sdw.c index 721821d9e9af..47511f70119a 100644 --- a/sound/soc/codecs/rt1316-sdw.c +++ b/sound/soc/codecs/rt1316-sdw.c @@ -272,25 +272,16 @@ static int rt1316_io_init(struct device *dev, struct sdw_slave *slave) if (rt1316->hw_init) return 0; + regcache_cache_only(rt1316->regmap, false); if (rt1316->first_hw_init) { - regcache_cache_only(rt1316->regmap, false); regcache_cache_bypass(rt1316->regmap, true); } else { /* - * 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 */ - /* 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); } pm_runtime_get_noresume(&slave->dev); @@ -424,6 +415,15 @@ static SOC_ENUM_SINGLE_DECL(rt1316_rx_data_ch_enum, SDW_SDCA_CTL(FUNC_NUM_SMART_AMP, RT1316_SDCA_ENT_UDMPU21, RT1316_SDCA_CTL_UDMPU_CLUSTER, 0), 0, rt1316_rx_data_ch_select); +static const char * const rt1316_dac_output_vol_select[] = { + "immediately", + "zero crossing", + "zero crossing with soft ramp", +}; + +static SOC_ENUM_SINGLE_DECL(rt1316_dac_vol_ctl_enum, + 0xc010, 6, rt1316_dac_output_vol_select); + static const struct snd_kcontrol_new rt1316_snd_controls[] = { /* I2S Data Channel Selection */ @@ -442,6 +442,9 @@ static const struct snd_kcontrol_new rt1316_snd_controls[] = { /* IV mixer Control */ SOC_DOUBLE("Isense Mixer Switch", 0xc605, 2, 0, 1, 1), SOC_DOUBLE("Vsense Mixer Switch", 0xc605, 3, 1, 1, 1), + + /* DAC Output Volume Control */ + SOC_ENUM("DAC Output Vol Control", rt1316_dac_vol_ctl_enum), }; static const struct snd_kcontrol_new rt1316_sto_dac = @@ -595,6 +598,9 @@ static int rt1316_sdw_component_probe(struct snd_soc_component *component) rt1316->component = component; rt1316_sdw_parse_dt(rt1316, &rt1316->sdw_slave->dev); + if (!rt1316->first_hw_init) + return 0; + ret = pm_runtime_resume(component->dev); if (ret < 0 && ret != -EACCES) return ret; @@ -662,6 +668,8 @@ static int rt1316_sdw_init(struct device *dev, struct regmap *regmap, rt1316->sdw_slave = slave; rt1316->regmap = regmap; + regcache_cache_only(rt1316->regmap, true); + /* * Mark hw_init to false * HW init will be performed when device reports present @@ -673,10 +681,27 @@ static int rt1316_sdw_init(struct device *dev, struct regmap *regmap, &soc_component_sdw_rt1316, rt1316_sdw_dai, ARRAY_SIZE(rt1316_sdw_dai)); + if (ret < 0) + return ret; - dev_dbg(&slave->dev, "%s\n", __func__); + /* set autosuspend parameters */ + pm_runtime_set_autosuspend_delay(dev, 3000); + pm_runtime_use_autosuspend(dev); - return ret; + /* 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 0; } static int rt1316_sdw_probe(struct sdw_slave *slave, @@ -694,10 +719,7 @@ static int rt1316_sdw_probe(struct sdw_slave *slave, static int rt1316_sdw_remove(struct sdw_slave *slave) { - struct rt1316_sdw_priv *rt1316 = dev_get_drvdata(&slave->dev); - - if (rt1316->first_hw_init) - pm_runtime_disable(&slave->dev); + pm_runtime_disable(&slave->dev); return 0; } |