diff options
| -rw-r--r-- | include/sound/soc.h | 6 | ||||
| -rw-r--r-- | sound/soc/soc-core.c | 63 |
2 files changed, 42 insertions, 27 deletions
diff --git a/include/sound/soc.h b/include/sound/soc.h index 0bd57b77d010..13cc64e5bb77 100644 --- a/include/sound/soc.h +++ b/include/sound/soc.h @@ -782,6 +782,8 @@ struct snd_soc_component_driver { int (*probe)(struct snd_soc_component *); void (*remove)(struct snd_soc_component *); + int (*suspend)(struct snd_soc_component *); + int (*resume)(struct snd_soc_component *); /* DT */ int (*of_xlate_dai_name)(struct snd_soc_component *component, @@ -808,6 +810,7 @@ struct snd_soc_component { unsigned int ignore_pmdown_time:1; /* pmdown_time is ignored at stop */ unsigned int registered_as_component:1; unsigned int auxiliary:1; /* for auxiliary component of the card */ + unsigned int suspended:1; /* is in suspend PM state */ struct list_head list; struct list_head card_list; @@ -853,6 +856,8 @@ struct snd_soc_component { int (*probe)(struct snd_soc_component *); void (*remove)(struct snd_soc_component *); + int (*suspend)(struct snd_soc_component *); + int (*resume)(struct snd_soc_component *); /* machine specific init */ int (*init)(struct snd_soc_component *component); @@ -872,7 +877,6 @@ struct snd_soc_codec { /* runtime */ unsigned int cache_bypass:1; /* Suppress access to the cache */ - unsigned int suspended:1; /* Codec is in suspend PM state */ unsigned int cache_init:1; /* codec cache has been initialized */ /* codec IO */ diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c index ba8e000faaf1..f35ec5bf3b78 100644 --- a/sound/soc/soc-core.c +++ b/sound/soc/soc-core.c @@ -702,43 +702,39 @@ int snd_soc_suspend(struct device *dev) dapm_mark_endpoints_dirty(card); snd_soc_dapm_sync(&card->dapm); - /* suspend all CODECs */ + /* suspend all COMPONENTs */ list_for_each_entry(component, &card->component_dev_list, card_list) { struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(component); - struct snd_soc_codec *codec = snd_soc_component_to_codec(component); - if (!codec) - continue; - - /* If there are paths active then the CODEC will be held with + /* If there are paths active then the COMPONENT will be held with * bias _ON and should not be suspended. */ - if (!codec->suspended) { + if (!component->suspended) { switch (snd_soc_dapm_get_bias_level(dapm)) { case SND_SOC_BIAS_STANDBY: /* - * If the CODEC is capable of idle + * If the COMPONENT is capable of idle * bias off then being in STANDBY * means it's doing something, * otherwise fall through. */ if (dapm->idle_bias_off) { - dev_dbg(codec->dev, + dev_dbg(component->dev, "ASoC: idle_bias_off CODEC on over suspend\n"); break; } case SND_SOC_BIAS_OFF: - if (codec->driver->suspend) - codec->driver->suspend(codec); - codec->suspended = 1; - if (codec->component.regmap) - regcache_mark_dirty(codec->component.regmap); + if (component->suspend) + component->suspend(component); + component->suspended = 1; + if (component->regmap) + regcache_mark_dirty(component->regmap); /* deactivate pins to sleep state */ - pinctrl_pm_select_sleep_state(codec->dev); + pinctrl_pm_select_sleep_state(component->dev); break; default: - dev_dbg(codec->dev, - "ASoC: CODEC is on over suspend\n"); + dev_dbg(component->dev, + "ASoC: COMPONENT is on over suspend\n"); break; } } @@ -799,15 +795,10 @@ static void soc_resume_deferred(struct work_struct *work) } list_for_each_entry(component, &card->component_dev_list, card_list) { - struct snd_soc_codec *codec = snd_soc_component_to_codec(component); - - if (!codec) - continue; - - if (codec->suspended) { - if (codec->driver->resume) - codec->driver->resume(codec); - codec->suspended = 0; + if (component->suspended) { + if (component->resume) + component->resume(component); + component->suspended = 0; } } @@ -2937,6 +2928,8 @@ static int snd_soc_component_initialize(struct snd_soc_component *component, component->driver = driver; component->probe = component->driver->probe; component->remove = component->driver->remove; + component->suspend = component->driver->suspend; + component->resume = component->driver->resume; dapm = &component->dapm; dapm->dev = dev; @@ -3286,6 +3279,20 @@ static void snd_soc_codec_drv_remove(struct snd_soc_component *component) codec->driver->remove(codec); } +static int snd_soc_codec_drv_suspend(struct snd_soc_component *component) +{ + struct snd_soc_codec *codec = snd_soc_component_to_codec(component); + + return codec->driver->suspend(codec); +} + +static int snd_soc_codec_drv_resume(struct snd_soc_component *component) +{ + struct snd_soc_codec *codec = snd_soc_component_to_codec(component); + + return codec->driver->resume(codec); +} + static int snd_soc_codec_drv_write(struct snd_soc_component *component, unsigned int reg, unsigned int val) { @@ -3347,6 +3354,10 @@ int snd_soc_register_codec(struct device *dev, codec->component.probe = snd_soc_codec_drv_probe; if (codec_drv->remove) codec->component.remove = snd_soc_codec_drv_remove; + if (codec_drv->suspend) + codec->component.suspend = snd_soc_codec_drv_suspend; + if (codec_drv->resume) + codec->component.resume = snd_soc_codec_drv_resume; if (codec_drv->write) codec->component.write = snd_soc_codec_drv_write; if (codec_drv->read) |