From: Kuninori Morimoto kuninori.morimoto.gx@renesas.com
In current ALSA SoC, Platform only has pcm_new/pcm_free feature, but it should be supported on Component level. This patch adds it.
Signed-off-by: Kuninori Morimoto kuninori.morimoto.gx@renesas.com --- include/sound/soc.h | 6 ++++++ sound/soc/soc-core.c | 21 +++++++++++++++++++++ sound/soc/soc-pcm.c | 32 +++++++++++++++++++++++--------- 3 files changed, 50 insertions(+), 9 deletions(-)
diff --git a/include/sound/soc.h b/include/sound/soc.h index 2b502f6..e580a67 100644 --- a/include/sound/soc.h +++ b/include/sound/soc.h @@ -785,6 +785,10 @@ struct snd_soc_component_driver { int (*suspend)(struct snd_soc_component *); int (*resume)(struct snd_soc_component *);
+ /* pcm creation and destruction */ + int (*pcm_new)(struct snd_soc_pcm_runtime *); + void (*pcm_free)(struct snd_pcm *); + /* DT */ int (*of_xlate_dai_name)(struct snd_soc_component *component, struct of_phandle_args *args, @@ -858,6 +862,8 @@ struct snd_soc_component { void (*remove)(struct snd_soc_component *); int (*suspend)(struct snd_soc_component *); int (*resume)(struct snd_soc_component *); + int (*pcm_new)(struct snd_soc_pcm_runtime *); + void (*pcm_free)(struct snd_pcm *);
/* machine specific init */ int (*init)(struct snd_soc_component *component); diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c index f1901bb..981443e 100644 --- a/sound/soc/soc-core.c +++ b/sound/soc/soc-core.c @@ -2976,6 +2976,8 @@ static int snd_soc_component_initialize(struct snd_soc_component *component, component->remove = component->driver->remove; component->suspend = component->driver->suspend; component->resume = component->driver->resume; + component->pcm_new = component->driver->pcm_new; + component->pcm_free= component->driver->pcm_free;
dapm = &component->dapm; dapm->dev = dev; @@ -3158,6 +3160,21 @@ static void snd_soc_platform_drv_remove(struct snd_soc_component *component) platform->driver->remove(platform); }
+static int snd_soc_platform_drv_pcm_new(struct snd_soc_pcm_runtime *rtd) +{ + struct snd_soc_platform *platform = rtd->platform; + + return platform->driver->pcm_new(rtd); +} + +static void snd_soc_platform_drv_pcm_free(struct snd_pcm *pcm) +{ + struct snd_soc_pcm_runtime *rtd = pcm->private_data; + struct snd_soc_platform *platform = rtd->platform; + + platform->driver->pcm_free(pcm); +} + /** * snd_soc_add_platform - Add a platform to the ASoC core * @dev: The parent device for the platform @@ -3181,6 +3198,10 @@ int snd_soc_add_platform(struct device *dev, struct snd_soc_platform *platform, platform->component.probe = snd_soc_platform_drv_probe; if (platform_drv->remove) platform->component.remove = snd_soc_platform_drv_remove; + if (platform_drv->pcm_new) + platform->component.pcm_new = snd_soc_platform_drv_pcm_new; + if (platform_drv->pcm_free) + platform->component.pcm_free = snd_soc_platform_drv_pcm_free;
#ifdef CONFIG_DEBUG_FS platform->component.debugfs_prefix = "platform"; diff --git a/sound/soc/soc-pcm.c b/sound/soc/soc-pcm.c index e7a1eaa..a9ef8ae 100644 --- a/sound/soc/soc-pcm.c +++ b/sound/soc/soc-pcm.c @@ -2640,12 +2640,25 @@ static int dpcm_fe_dai_close(struct snd_pcm_substream *fe_substream) return ret; }
+static void soc_pcm_free(struct snd_pcm *pcm) +{ + struct snd_soc_pcm_runtime *rtd = pcm->private_data; + struct snd_soc_component *component; + + list_for_each_entry(component, &rtd->card->component_dev_list, + card_list) { + if (component->pcm_free) + component->pcm_free(pcm); + } +} + /* create a new pcm */ int soc_new_pcm(struct snd_soc_pcm_runtime *rtd, int num) { struct snd_soc_platform *platform = rtd->platform; struct snd_soc_dai *codec_dai; struct snd_soc_dai *cpu_dai = rtd->cpu_dai; + struct snd_soc_component *component; struct snd_pcm *pcm; char new_name[64]; int ret = 0, playback = 0, capture = 0; @@ -2754,17 +2767,18 @@ int soc_new_pcm(struct snd_soc_pcm_runtime *rtd, int num) if (capture) snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &rtd->ops);
- if (platform->driver->pcm_new) { - ret = platform->driver->pcm_new(rtd); - if (ret < 0) { - dev_err(platform->dev, - "ASoC: pcm constructor failed: %d\n", - ret); - return ret; + list_for_each_entry(component, &rtd->card->component_dev_list, card_list) { + if (component->pcm_new) { + ret = component->pcm_new(rtd); + if (ret < 0) { + dev_err(component->dev, + "ASoC: pcm constructor failed: %d\n", + ret); + return ret; + } } } - - pcm->private_free = platform->driver->pcm_free; + pcm->private_free = soc_pcm_free; out: dev_info(rtd->card->dev, "%s <-> %s mapping ok\n", (rtd->num_codecs > 1) ? "multicodec" : rtd->codec_dai->name,