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-rw-r--r--include/sound/soc.h5
-rw-r--r--sound/soc/generic/simple-card.c12
-rw-r--r--sound/soc/intel/atom/sst-mfld-platform-pcm.c12
-rw-r--r--sound/soc/intel/boards/cht_bsw_max98090_ti.c7
-rw-r--r--sound/soc/intel/boards/cht_bsw_rt5645.c7
-rw-r--r--sound/soc/intel/boards/cht_bsw_rt5672.c7
-rw-r--r--sound/soc/sh/rcar/core.c2
-rw-r--r--sound/soc/sh/rcar/rsrc-card.c6
-rw-r--r--sound/soc/soc-core.c263
-rw-r--r--sound/soc/soc-dapm.c7
-rw-r--r--sound/soc/soc-pcm.c22
11 files changed, 191 insertions, 159 deletions
diff --git a/include/sound/soc.h b/include/sound/soc.h
index a8b4b9c8b1d2..232b30d3fa68 100644
--- a/include/sound/soc.h
+++ b/include/sound/soc.h
@@ -1106,7 +1106,7 @@ struct snd_soc_card {
/* CPU <--> Codec DAI links */
struct snd_soc_dai_link *dai_link;
int num_links;
- struct snd_soc_pcm_runtime *rtd;
+ struct list_head rtd_list;
int num_rtd;
/* optional codec specific configuration */
@@ -1201,6 +1201,9 @@ struct snd_soc_pcm_runtime {
struct dentry *debugfs_dpcm_root;
struct dentry *debugfs_dpcm_state;
#endif
+
+ unsigned int num; /* 0-based and monotonic increasing */
+ struct list_head list; /* rtd list of the soc card */
};
/* mixer control */
diff --git a/sound/soc/generic/simple-card.c b/sound/soc/generic/simple-card.c
index 54c33204541f..1ded8811598e 100644
--- a/sound/soc/generic/simple-card.c
+++ b/sound/soc/generic/simple-card.c
@@ -45,7 +45,7 @@ static int asoc_simple_card_startup(struct snd_pcm_substream *substream)
struct snd_soc_pcm_runtime *rtd = substream->private_data;
struct simple_card_data *priv = snd_soc_card_get_drvdata(rtd->card);
struct simple_dai_props *dai_props =
- &priv->dai_props[rtd - rtd->card->rtd];
+ &priv->dai_props[rtd->num];
int ret;
ret = clk_prepare_enable(dai_props->cpu_dai.clk);
@@ -64,7 +64,7 @@ static void asoc_simple_card_shutdown(struct snd_pcm_substream *substream)
struct snd_soc_pcm_runtime *rtd = substream->private_data;
struct simple_card_data *priv = snd_soc_card_get_drvdata(rtd->card);
struct simple_dai_props *dai_props =
- &priv->dai_props[rtd - rtd->card->rtd];
+ &priv->dai_props[rtd->num];
clk_disable_unprepare(dai_props->cpu_dai.clk);
@@ -78,8 +78,7 @@ static int asoc_simple_card_hw_params(struct snd_pcm_substream *substream,
struct snd_soc_dai *codec_dai = rtd->codec_dai;
struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
struct simple_card_data *priv = snd_soc_card_get_drvdata(rtd->card);
- struct simple_dai_props *dai_props =
- &priv->dai_props[rtd - rtd->card->rtd];
+ struct simple_dai_props *dai_props = &priv->dai_props[rtd->num];
unsigned int mclk, mclk_fs = 0;
int ret = 0;
@@ -174,10 +173,9 @@ static int asoc_simple_card_dai_init(struct snd_soc_pcm_runtime *rtd)
struct snd_soc_dai *codec = rtd->codec_dai;
struct snd_soc_dai *cpu = rtd->cpu_dai;
struct simple_dai_props *dai_props;
- int num, ret;
+ int ret;
- num = rtd - rtd->card->rtd;
- dai_props = &priv->dai_props[num];
+ dai_props = &priv->dai_props[rtd->num];
ret = __asoc_simple_card_dai_init(codec, &dai_props->codec_dai);
if (ret < 0)
return ret;
diff --git a/sound/soc/intel/atom/sst-mfld-platform-pcm.c b/sound/soc/intel/atom/sst-mfld-platform-pcm.c
index 0487cfaac538..8e475e823205 100644
--- a/sound/soc/intel/atom/sst-mfld-platform-pcm.c
+++ b/sound/soc/intel/atom/sst-mfld-platform-pcm.c
@@ -760,15 +760,15 @@ static int sst_platform_remove(struct platform_device *pdev)
static int sst_soc_prepare(struct device *dev)
{
struct sst_data *drv = dev_get_drvdata(dev);
- int i;
+ struct snd_soc_pcm_runtime *rtd;
/* suspend all pcms first */
snd_soc_suspend(drv->soc_card->dev);
snd_soc_poweroff(drv->soc_card->dev);
/* set the SSPs to idle */
- for (i = 0; i < drv->soc_card->num_rtd; i++) {
- struct snd_soc_dai *dai = drv->soc_card->rtd[i].cpu_dai;
+ list_for_each_entry(rtd, &drv->soc_card->rtd_list, list) {
+ struct snd_soc_dai *dai = rtd->cpu_dai;
if (dai->active) {
send_ssp_cmd(dai, dai->name, 0);
@@ -782,11 +782,11 @@ static int sst_soc_prepare(struct device *dev)
static void sst_soc_complete(struct device *dev)
{
struct sst_data *drv = dev_get_drvdata(dev);
- int i;
+ struct snd_soc_pcm_runtime *rtd;
/* restart SSPs */
- for (i = 0; i < drv->soc_card->num_rtd; i++) {
- struct snd_soc_dai *dai = drv->soc_card->rtd[i].cpu_dai;
+ list_for_each_entry(rtd, &drv->soc_card->rtd_list, list) {
+ struct snd_soc_dai *dai = rtd->cpu_dai;
if (dai->active) {
sst_handle_vb_timer(dai, true);
diff --git a/sound/soc/intel/boards/cht_bsw_max98090_ti.c b/sound/soc/intel/boards/cht_bsw_max98090_ti.c
index 4e2fcf188dd1..e36dad302bed 100644
--- a/sound/soc/intel/boards/cht_bsw_max98090_ti.c
+++ b/sound/soc/intel/boards/cht_bsw_max98090_ti.c
@@ -41,12 +41,9 @@ struct cht_mc_private {
static inline struct snd_soc_dai *cht_get_codec_dai(struct snd_soc_card *card)
{
- int i;
+ struct snd_soc_pcm_runtime *rtd;
- for (i = 0; i < card->num_rtd; i++) {
- struct snd_soc_pcm_runtime *rtd;
-
- rtd = card->rtd + i;
+ list_for_each_entry(rtd, &card->rtd_list, list) {
if (!strncmp(rtd->codec_dai->name, CHT_CODEC_DAI,
strlen(CHT_CODEC_DAI)))
return rtd->codec_dai;
diff --git a/sound/soc/intel/boards/cht_bsw_rt5645.c b/sound/soc/intel/boards/cht_bsw_rt5645.c
index 38d65a3529c4..1d2525a53bff 100644
--- a/sound/soc/intel/boards/cht_bsw_rt5645.c
+++ b/sound/soc/intel/boards/cht_bsw_rt5645.c
@@ -47,12 +47,9 @@ struct cht_mc_private {
static inline struct snd_soc_dai *cht_get_codec_dai(struct snd_soc_card *card)
{
- int i;
-
- for (i = 0; i < card->num_rtd; i++) {
- struct snd_soc_pcm_runtime *rtd;
+ struct snd_soc_pcm_runtime *rtd;
- rtd = card->rtd + i;
+ list_for_each_entry(rtd, &card->rtd_list, list) {
if (!strncmp(rtd->codec_dai->name, CHT_CODEC_DAI,
strlen(CHT_CODEC_DAI)))
return rtd->codec_dai;
diff --git a/sound/soc/intel/boards/cht_bsw_rt5672.c b/sound/soc/intel/boards/cht_bsw_rt5672.c
index 5621ccd92992..77fb3c419ca4 100644
--- a/sound/soc/intel/boards/cht_bsw_rt5672.c
+++ b/sound/soc/intel/boards/cht_bsw_rt5672.c
@@ -46,12 +46,9 @@ static struct snd_soc_jack_pin cht_bsw_headset_pins[] = {
static inline struct snd_soc_dai *cht_get_codec_dai(struct snd_soc_card *card)
{
- int i;
+ struct snd_soc_pcm_runtime *rtd;
- for (i = 0; i < card->num_rtd; i++) {
- struct snd_soc_pcm_runtime *rtd;
-
- rtd = card->rtd + i;
+ list_for_each_entry(rtd, &card->rtd_list, list) {
if (!strncmp(rtd->codec_dai->name, CHT_CODEC_DAI,
strlen(CHT_CODEC_DAI)))
return rtd->codec_dai;
diff --git a/sound/soc/sh/rcar/core.c b/sound/soc/sh/rcar/core.c
index deed48ef28b8..8c4f54b0cb92 100644
--- a/sound/soc/sh/rcar/core.c
+++ b/sound/soc/sh/rcar/core.c
@@ -1040,7 +1040,7 @@ static int __rsnd_kctrl_new(struct rsnd_mod *mod,
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
.name = name,
.info = rsnd_kctrl_info,
- .index = rtd - soc_card->rtd,
+ .index = rtd->num,
.get = rsnd_kctrl_get,
.put = rsnd_kctrl_put,
.private_value = (unsigned long)cfg,
diff --git a/sound/soc/sh/rcar/rsrc-card.c b/sound/soc/sh/rcar/rsrc-card.c
index d61db9c385ea..94d23d8f2869 100644
--- a/sound/soc/sh/rcar/rsrc-card.c
+++ b/sound/soc/sh/rcar/rsrc-card.c
@@ -75,7 +75,7 @@ static int rsrc_card_startup(struct snd_pcm_substream *substream)
struct snd_soc_pcm_runtime *rtd = substream->private_data;
struct rsrc_card_priv *priv = snd_soc_card_get_drvdata(rtd->card);
struct rsrc_card_dai *dai_props =
- rsrc_priv_to_props(priv, rtd - rtd->card->rtd);
+ rsrc_priv_to_props(priv, rtd->num);
return clk_prepare_enable(dai_props->clk);
}
@@ -85,7 +85,7 @@ static void rsrc_card_shutdown(struct snd_pcm_substream *substream)
struct snd_soc_pcm_runtime *rtd = substream->private_data;
struct rsrc_card_priv *priv = snd_soc_card_get_drvdata(rtd->card);
struct rsrc_card_dai *dai_props =
- rsrc_priv_to_props(priv, rtd - rtd->card->rtd);
+ rsrc_priv_to_props(priv, rtd->num);
clk_disable_unprepare(dai_props->clk);
}
@@ -101,7 +101,7 @@ static int rsrc_card_dai_init(struct snd_soc_pcm_runtime *rtd)
struct snd_soc_dai *dai;
struct snd_soc_dai_link *dai_link;
struct rsrc_card_dai *dai_props;
- int num = rtd - rtd->card->rtd;
+ int num = rtd->num;
int ret;
dai_link = rsrc_priv_to_link(priv, num);
diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c
index 24b096066a07..2c95de723d8f 100644
--- a/sound/soc/soc-core.c
+++ b/sound/soc/soc-core.c
@@ -537,26 +537,75 @@ static inline void snd_soc_debugfs_exit(void)
struct snd_pcm_substream *snd_soc_get_dai_substream(struct snd_soc_card *card,
const char *dai_link, int stream)
{
- int i;
+ struct snd_soc_pcm_runtime *rtd;
- for (i = 0; i < card->num_links; i++) {
- if (card->rtd[i].dai_link->no_pcm &&
- !strcmp(card->rtd[i].dai_link->name, dai_link))
- return card->rtd[i].pcm->streams[stream].substream;
+ list_for_each_entry(rtd, &card->rtd_list, list) {
+ if (rtd->dai_link->no_pcm &&
+ !strcmp(rtd->dai_link->name, dai_link))
+ return rtd->pcm->streams[stream].substream;
}
dev_dbg(card->dev, "ASoC: failed to find dai link %s\n", dai_link);
return NULL;
}
EXPORT_SYMBOL_GPL(snd_soc_get_dai_substream);
+static struct snd_soc_pcm_runtime *soc_new_pcm_runtime(
+ struct snd_soc_card *card, struct snd_soc_dai_link *dai_link)
+{
+ struct snd_soc_pcm_runtime *rtd;
+
+ rtd = kzalloc(sizeof(struct snd_soc_pcm_runtime), GFP_KERNEL);
+ if (!rtd)
+ return NULL;
+
+ rtd->card = card;
+ rtd->dai_link = dai_link;
+ rtd->codec_dais = kzalloc(sizeof(struct snd_soc_dai *) *
+ dai_link->num_codecs,
+ GFP_KERNEL);
+ if (!rtd->codec_dais) {
+ kfree(rtd);
+ return NULL;
+ }
+
+ return rtd;
+}
+
+static void soc_free_pcm_runtime(struct snd_soc_pcm_runtime *rtd)
+{
+ if (rtd && rtd->codec_dais)
+ kfree(rtd->codec_dais);
+ kfree(rtd);
+}
+
+static void soc_add_pcm_runtime(struct snd_soc_card *card,
+ struct snd_soc_pcm_runtime *rtd)
+{
+ list_add_tail(&rtd->list, &card->rtd_list);
+ rtd->num = card->num_rtd;
+ card->num_rtd++;
+}
+
+static void soc_remove_pcm_runtimes(struct snd_soc_card *card)
+{
+ struct snd_soc_pcm_runtime *rtd, *_rtd;
+
+ list_for_each_entry_safe(rtd, _rtd, &card->rtd_list, list) {
+ list_del(&rtd->list);
+ soc_free_pcm_runtime(rtd);
+ }
+
+ card->num_rtd = 0;
+}
+
struct snd_soc_pcm_runtime *snd_soc_get_pcm_runtime(struct snd_soc_card *card,
const char *dai_link)
{
- int i;
+ struct snd_soc_pcm_runtime *rtd;
- for (i = 0; i < card->num_links; i++) {
- if (!strcmp(card->rtd[i].dai_link->name, dai_link))
- return &card->rtd[i];
+ list_for_each_entry(rtd, &card->rtd_list, list) {
+ if (!strcmp(rtd->dai_link->name, dai_link))
+ return rtd;
}
dev_dbg(card->dev, "ASoC: failed to find rtd %s\n", dai_link);
return NULL;
@@ -578,7 +627,8 @@ int snd_soc_suspend(struct device *dev)
{
struct snd_soc_card *card = dev_get_drvdata(dev);
struct snd_soc_codec *codec;
- int i, j;
+ struct snd_soc_pcm_runtime *rtd;
+ int i;
/* If the card is not initialized yet there is nothing to do */
if (!card->instantiated)
@@ -595,13 +645,13 @@ int snd_soc_suspend(struct device *dev)
snd_power_change_state(card->snd_card, SNDRV_CTL_POWER_D3hot);
/* mute any active DACs */
- for (i = 0; i < card->num_rtd; i++) {
+ list_for_each_entry(rtd, &card->rtd_list, list) {
- if (card->rtd[i].dai_link->ignore_suspend)
+ if (rtd->dai_link->ignore_suspend)
continue;
- for (j = 0; j < card->rtd[i].num_codecs; j++) {
- struct snd_soc_dai *dai = card->rtd[i].codec_dais[j];
+ for (i = 0; i < rtd->num_codecs; i++) {
+ struct snd_soc_dai *dai = rtd->codec_dais[i];
struct snd_soc_dai_driver *drv = dai->driver;
if (drv->ops->digital_mute && dai->playback_active)
@@ -610,20 +660,20 @@ int snd_soc_suspend(struct device *dev)
}
/* suspend all pcms */
- for (i = 0; i < card->num_rtd; i++) {
- if (card->rtd[i].dai_link->ignore_suspend)
+ list_for_each_entry(rtd, &card->rtd_list, list) {
+ if (rtd->dai_link->ignore_suspend)
continue;
- snd_pcm_suspend_all(card->rtd[i].pcm);
+ snd_pcm_suspend_all(rtd->pcm);
}
if (card->suspend_pre)
card->suspend_pre(card);
- for (i = 0; i < card->num_rtd; i++) {
- struct snd_soc_dai *cpu_dai = card->rtd[i].cpu_dai;
+ list_for_each_entry(rtd, &card->rtd_list, list) {
+ struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
- if (card->rtd[i].dai_link->ignore_suspend)
+ if (rtd->dai_link->ignore_suspend)
continue;
if (cpu_dai->driver->suspend && !cpu_dai->driver->bus_control)
@@ -631,19 +681,19 @@ int snd_soc_suspend(struct device *dev)
}
/* close any waiting streams */
- for (i = 0; i < card->num_rtd; i++)
- flush_delayed_work(&card->rtd[i].delayed_work);
+ list_for_each_entry(rtd, &card->rtd_list, list)
+ flush_delayed_work(&rtd->delayed_work);
- for (i = 0; i < card->num_rtd; i++) {
+ list_for_each_entry(rtd, &card->rtd_list, list) {
- if (card->rtd[i].dai_link->ignore_suspend)
+ if (rtd->dai_link->ignore_suspend)
continue;
- snd_soc_dapm_stream_event(&card->rtd[i],
+ snd_soc_dapm_stream_event(rtd,
SNDRV_PCM_STREAM_PLAYBACK,
SND_SOC_DAPM_STREAM_SUSPEND);
- snd_soc_dapm_stream_event(&card->rtd[i],
+ snd_soc_dapm_stream_event(rtd,
SNDRV_PCM_STREAM_CAPTURE,
SND_SOC_DAPM_STREAM_SUSPEND);
}
@@ -690,10 +740,10 @@ int snd_soc_suspend(struct device *dev)
}
}
- for (i = 0; i < card->num_rtd; i++) {
- struct snd_soc_dai *cpu_dai = card->rtd[i].cpu_dai;
+ list_for_each_entry(rtd, &card->rtd_list, list) {
+ struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
- if (card->rtd[i].dai_link->ignore_suspend)
+ if (rtd->dai_link->ignore_suspend)
continue;
if (cpu_dai->driver->suspend && cpu_dai->driver->bus_control)
@@ -717,8 +767,9 @@ static void soc_resume_deferred(struct work_struct *work)
{
struct snd_soc_card *card =
container_of(work, struct snd_soc_card, deferred_resume_work);
+ struct snd_soc_pcm_runtime *rtd;
struct snd_soc_codec *codec;
- int i, j;
+ int i;
/* our power state is still SNDRV_CTL_POWER_D3hot from suspend time,
* so userspace apps are blocked from touching us
@@ -733,10 +784,10 @@ static void soc_resume_deferred(struct work_struct *work)
card->resume_pre(card);
/* resume control bus DAIs */
- for (i = 0; i < card->num_rtd; i++) {
- struct snd_soc_dai *cpu_dai = card->rtd[i].cpu_dai;
+ list_for_each_entry(rtd, &card->rtd_list, list) {
+ struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
- if (card->rtd[i].dai_link->ignore_suspend)
+ if (rtd->dai_link->ignore_suspend)
continue;
if (cpu_dai->driver->resume && cpu_dai->driver->bus_control)
@@ -751,28 +802,28 @@ static void soc_resume_deferred(struct work_struct *work)
}
}
- for (i = 0; i < card->num_rtd; i++) {
+ list_for_each_entry(rtd, &card->rtd_list, list) {
- if (card->rtd[i].dai_link->ignore_suspend)
+ if (rtd->dai_link->ignore_suspend)
continue;
- snd_soc_dapm_stream_event(&card->rtd[i],
+ snd_soc_dapm_stream_event(rtd,
SNDRV_PCM_STREAM_PLAYBACK,
SND_SOC_DAPM_STREAM_RESUME);
- snd_soc_dapm_stream_event(&card->rtd[i],
+ snd_soc_dapm_stream_event(rtd,
SNDRV_PCM_STREAM_CAPTURE,
SND_SOC_DAPM_STREAM_RESUME);
}
/* unmute any active DACs */
- for (i = 0; i < card->num_rtd; i++) {
+ list_for_each_entry(rtd, &card->rtd_list, list) {
- if (card->rtd[i].dai_link->ignore_suspend)
+ if (rtd->dai_link->ignore_suspend)
continue;
- for (j = 0; j < card->rtd[i].num_codecs; j++) {
- struct snd_soc_dai *dai = card->rtd[i].codec_dais[j];
+ for (i = 0; i < rtd->num_codecs; i++) {
+ struct snd_soc_dai *dai = rtd->codec_dais[i];
struct snd_soc_dai_driver *drv = dai->driver;
if (drv->ops->digital_mute && dai->playback_active)
@@ -780,10 +831,10 @@ static void soc_resume_deferred(struct work_struct *work)
}
}
- for (i = 0; i < card->num_rtd; i++) {
- struct snd_soc_dai *cpu_dai = card->rtd[i].cpu_dai;
+ list_for_each_entry(rtd, &card->rtd_list, list) {
+ struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
- if (card->rtd[i].dai_link->ignore_suspend)
+ if (rtd->dai_link->ignore_suspend)
continue;
if (cpu_dai->driver->resume && !cpu_dai->driver->bus_control)
@@ -808,15 +859,14 @@ int snd_soc_resume(struct device *dev)
{
struct snd_soc_card *card = dev_get_drvdata(dev);
bool bus_control = false;
- int i;
+ struct snd_soc_pcm_runtime *rtd;
/* If the card is not initialized yet there is nothing to do */
if (!card->instantiated)
return 0;
/* activate pins from sleep state */
- for (i = 0; i < card->num_rtd; i++) {
- struct snd_soc_pcm_runtime *rtd = &card->rtd[i];
+ list_for_each_entry(rtd, &card->rtd_list, list) {
struct snd_soc_dai **codec_dais = rtd->codec_dais;
struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
int j;
@@ -837,8 +887,8 @@ int snd_soc_resume(struct device *dev)
* have that problem and may take a substantial amount of time to resume
* due to I/O costs and anti-pop so handle them out of line.
*/
- for (i = 0; i < card->num_rtd; i++) {
- struct snd_soc_dai *cpu_dai = card->rtd[i].cpu_dai;
+ list_for_each_entry(rtd, &card->rtd_list, list) {
+ struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
bus_control |= cpu_dai->driver->bus_control;
}
if (bus_control) {
@@ -913,16 +963,20 @@ static struct snd_soc_dai *snd_soc_find_dai(
static int soc_bind_dai_link(struct snd_soc_card *card, int num)
{
struct snd_soc_dai_link *dai_link = &card->dai_link[num];
- struct snd_soc_pcm_runtime *rtd = &card->rtd[num];
+ struct snd_soc_pcm_runtime *rtd;
struct snd_soc_dai_link_component *codecs = dai_link->codecs;
struct snd_soc_dai_link_component cpu_dai_component;
- struct snd_soc_dai **codec_dais = rtd->codec_dais;
+ struct snd_soc_dai **codec_dais;
struct snd_soc_platform *platform;
const char *platform_name;
int i;
dev_dbg(card->dev, "ASoC: binding %s at idx %d\n", dai_link->name, num);
+ rtd = soc_new_pcm_runtime(card, dai_link);
+ if (!rtd)
+ return -ENOMEM;
+
cpu_dai_component.name = dai_link->cpu_name;
cpu_dai_component.of_node = dai_link->cpu_of_node;
cpu_dai_component.dai_name = dai_link->cpu_dai_name;
@@ -930,18 +984,19 @@ static int soc_bind_dai_link(struct snd_soc_card *card, int num)
if (!rtd->cpu_dai) {
dev_err(card->dev, "ASoC: CPU DAI %s not registered\n",
dai_link->cpu_dai_name);
- return -EPROBE_DEFER;
+ goto _err_defer;
}
rtd->num_codecs = dai_link->num_codecs;
/* Find CODEC from registered CODECs */
+ codec_dais = rtd->codec_dais;
for (i = 0; i < rtd->num_codecs; i++) {
codec_dais[i] = snd_soc_find_dai(&codecs[i]);
if (!codec_dais[i]) {
dev_err(card->dev, "ASoC: CODEC DAI %s not registered\n",
codecs[i].dai_name);
- return -EPROBE_DEFER;
+ goto _err_defer;
}
}
@@ -973,9 +1028,12 @@ static int soc_bind_dai_link(struct snd_soc_card *card, int num)
return -EPROBE_DEFER;
}
- card->num_rtd++;
-
+ soc_add_pcm_runtime(card, rtd);
return 0;
+
+_err_defer:
+ soc_free_pcm_runtime(rtd);
+ return -EPROBE_DEFER;
}
static void soc_remove_component(struct snd_soc_component *component)
@@ -1014,9 +1072,9 @@ static void soc_remove_dai(struct snd_soc_dai *dai, int order)
}
}
-static void soc_remove_link_dais(struct snd_soc_card *card, int num, int order)
+static void soc_remove_link_dais(struct snd_soc_card *card,
+ struct snd_soc_pcm_runtime *rtd, int order)
{
- struct snd_soc_pcm_runtime *rtd = &card->rtd[num];
int i;
/* unregister the rtd device */
@@ -1032,10 +1090,9 @@ static void soc_remove_link_dais(struct snd_soc_card *card, int num, int order)
soc_remove_dai(rtd->cpu_dai, order);
}
-static void soc_remove_link_components(struct snd_soc_card *card, int num,
- int order)
+static void soc_remove_link_components(struct snd_soc_card *card,
+ struct snd_soc_pcm_runtime *rtd, int order)
{
- struct snd_soc_pcm_runtime *rtd = &card->rtd[num];
struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
struct snd_soc_platform *platform = rtd->platform;
struct snd_soc_component *component;
@@ -1061,21 +1118,20 @@ static void soc_remove_link_components(struct snd_soc_card *card, int num,
static void soc_remove_dai_links(struct snd_soc_card *card)
{
- int dai, order;
+ int order;
+ struct snd_soc_pcm_runtime *rtd;
for (order = SND_SOC_COMP_ORDER_FIRST; order <= SND_SOC_COMP_ORDER_LAST;
order++) {
- for (dai = 0; dai < card->num_rtd; dai++)
- soc_remove_link_dais(card, dai, order);
+ list_for_each_entry(rtd, &card->rtd_list, list)
+ soc_remove_link_dais(card, rtd, order);
}
for (order = SND_SOC_COMP_ORDER_FIRST; order <= SND_SOC_COMP_ORDER_LAST;
order++) {
- for (dai = 0; dai < card->num_rtd; dai++)
- soc_remove_link_components(card, dai, order);
+ list_for_each_entry(rtd, &card->rtd_list, list)
+ soc_remove_link_components(card, rtd, order);
}
-
- card->num_rtd = 0;
}
static void soc_set_name_prefix(struct snd_soc_card *card,
@@ -1220,10 +1276,10 @@ static int soc_post_component_init(struct snd_soc_pcm_runtime *rtd,
return 0;
}
-static int soc_probe_link_components(struct snd_soc_card *card, int num,
+static int soc_probe_link_components(struct snd_soc_card *card,
+ struct snd_soc_pcm_runtime *rtd,
int order)
{
- struct snd_soc_pcm_runtime *rtd = &card->rtd[num];
struct snd_soc_platform *platform = rtd->platform;
struct snd_soc_component *component;
int i, ret;
@@ -1319,15 +1375,15 @@ static int soc_link_dai_widgets(struct snd_soc_card *card,
return 0;
}
-static int soc_probe_link_dais(struct snd_soc_card *card, int num, int order)
+static int soc_probe_link_dais(struct snd_soc_card *card,
+ struct snd_soc_pcm_runtime *rtd, int order)
{
- struct snd_soc_dai_link *dai_link = &card->dai_link[num];
- struct snd_soc_pcm_runtime *rtd = &card->rtd[num];
+ struct snd_soc_dai_link *dai_link = rtd->dai_link;
struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
int i, ret;
dev_dbg(card->dev, "ASoC: probe %s dai link %d late %d\n",
- card->name, num, order);
+ card->name, rtd->num, order);
/* set default power off timeout */
rtd->pmdown_time = pmdown_time;
@@ -1372,7 +1428,7 @@ static int soc_probe_link_dais(struct snd_soc_card *card, int num, int order)
if (cpu_dai->driver->compress_new) {
/*create compress_device"*/
- ret = cpu_dai->driver->compress_new(rtd, num);
+ ret = cpu_dai->driver->compress_new(rtd, rtd->num);
if (ret < 0) {
dev_err(card->dev, "ASoC: can't create compress %s\n",
dai_link->stream_name);
@@ -1382,7 +1438,7 @@ static int soc_probe_link_dais(struct snd_soc_card *card, int num, int order)
if (!dai_link->params) {
/* create the pcm */
- ret = soc_new_pcm(rtd, num);
+ ret = soc_new_pcm(rtd, rtd->num);
if (ret < 0) {
dev_err(card->dev, "ASoC: can't create pcm %s :%d\n",
dai_link->stream_name, ret);
@@ -1552,6 +1608,7 @@ EXPORT_SYMBOL_GPL(snd_soc_runtime_set_dai_fmt);
static int snd_soc_instantiate_card(struct snd_soc_card *card)
{
struct snd_soc_codec *codec;
+ struct snd_soc_pcm_runtime *rtd;
int ret, i, order;
mutex_lock(&client_mutex);
@@ -1624,8 +1681,8 @@ static int snd_soc_instantiate_card(struct snd_soc_card *card)
/* probe all components used by DAI links on this card */
for (order = SND_SOC_COMP_ORDER_FIRST; order <= SND_SOC_COMP_ORDER_LAST;
order++) {
- for (i = 0; i < card->num_links; i++) {
- ret = soc_probe_link_components(card, i, order);
+ list_for_each_entry(rtd, &card->rtd_list, list) {
+ ret = soc_probe_link_components(card, rtd, order);
if (ret < 0) {
dev_err(card->dev,
"ASoC: failed to instantiate card %d\n",
@@ -1638,8 +1695,8 @@ static int snd_soc_instantiate_card(struct snd_soc_card *card)
/* probe all DAI links on this card */
for (order = SND_SOC_COMP_ORDER_FIRST; order <= SND_SOC_COMP_ORDER_LAST;
order++) {
- for (i = 0; i < card->num_links; i++) {
- ret = soc_probe_link_dais(card, i, order);
+ list_for_each_entry(rtd, &card->rtd_list, list) {
+ ret = soc_probe_link_dais(card, rtd, order);
if (ret < 0) {
dev_err(card->dev,
"ASoC: failed to instantiate card %d\n",
@@ -1733,6 +1790,7 @@ card_probe_error:
snd_card_free(card->snd_card);
base_error:
+ soc_remove_pcm_runtimes(card);
mutex_unlock(&card->mutex);
mutex_unlock(&client_mutex);
@@ -1763,13 +1821,12 @@ static int soc_probe(struct platform_device *pdev)
static int soc_cleanup_card_resources(struct snd_soc_card *card)
{
+ struct snd_soc_pcm_runtime *rtd;
int i;
/* make sure any delayed work runs */
- for (i = 0; i < card->num_rtd; i++) {
- struct snd_soc_pcm_runtime *rtd = &card->rtd[i];
+ list_for_each_entry(rtd, &card->rtd_list, list)
flush_delayed_work(&rtd->delayed_work);
- }
/* remove auxiliary devices */
for (i = 0; i < card->num_aux_devs; i++)
@@ -1777,6 +1834,7 @@ static int soc_cleanup_card_resources(struct snd_soc_card *card)
/* remove and free each DAI */
soc_remove_dai_links(card);
+ soc_remove_pcm_runtimes(card);
soc_cleanup_card_debugfs(card);
@@ -1803,29 +1861,26 @@ static int soc_remove(struct platform_device *pdev)
int snd_soc_poweroff(struct device *dev)
{
struct snd_soc_card *card = dev_get_drvdata(dev);
- int i;
+ struct snd_soc_pcm_runtime *rtd;
if (!card->instantiated)
return 0;
/* Flush out pmdown_time work - we actually do want to run it
* now, we're shutting down so no imminent restart. */
- for (i = 0; i < card->num_rtd; i++) {
- struct snd_soc_pcm_runtime *rtd = &card->rtd[i];
+ list_for_each_entry(rtd, &card->rtd_list, list)
flush_delayed_work(&rtd->delayed_work);
- }
snd_soc_dapm_shutdown(card);
/* deactivate pins to sleep state */
- for (i = 0; i < card->num_rtd; i++) {
- struct snd_soc_pcm_runtime *rtd = &card->rtd[i];
+ list_for_each_entry(rtd, &card->rtd_list, list) {
struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
- int j;
+ int i;
pinctrl_pm_select_sleep_state(cpu_dai->dev);
- for (j = 0; j < rtd->num_codecs; j++) {
- struct snd_soc_dai *codec_dai = rtd->codec_dais[j];
+ for (i = 0; i < rtd->num_codecs; i++) {
+ struct snd_soc_dai *codec_dai = rtd->codec_dais[i];
pinctrl_pm_select_sleep_state(codec_dai->dev);
}
}
@@ -2337,6 +2392,7 @@ static int snd_soc_init_multicodec(struct snd_soc_card *card,
int snd_soc_register_card(struct snd_soc_card *card)
{
int i, j, ret;
+ struct snd_soc_pcm_runtime *rtd;
if (!card->name || !card->dev)
return -EINVAL;
@@ -2408,25 +2464,15 @@ int snd_soc_register_card(struct snd_soc_card *card)
snd_soc_initialize_card_lists(card);
- card->rtd = devm_kzalloc(card->dev,
+ INIT_LIST_HEAD(&card->rtd_list);
+ card->num_rtd = 0;
+
+ card->rtd_aux = devm_kzalloc(card->dev,
sizeof(struct snd_soc_pcm_runtime) *
- (card->num_links + card->num_aux_devs),
+ card->num_aux_devs,
GFP_KERNEL);
- if (card->rtd == NULL)
+ if (card->rtd_aux == NULL)
return -ENOMEM;
- card->num_rtd = 0;
- card->rtd_aux = &card->rtd[card->num_links];
-
- for (i = 0; i < card->num_links; i++) {
- card->rtd[i].card = card;
- card->rtd[i].dai_link = &card->dai_link[i];
- card->rtd[i].codec_dais = devm_kzalloc(card->dev,
- sizeof(struct snd_soc_dai *) *
- (card->rtd[i].dai_link->num_codecs),
- GFP_KERNEL);
- if (card->rtd[i].codec_dais == NULL)
- return -ENOMEM;
- }
for (i = 0; i < card->num_aux_devs; i++)
card->rtd_aux[i].card = card;
@@ -2442,8 +2488,7 @@ int snd_soc_register_card(struct snd_soc_card *card)
return ret;
/* deactivate pins to sleep state */
- for (i = 0; i < card->num_rtd; i++) {
- struct snd_soc_pcm_runtime *rtd = &card->rtd[i];
+ list_for_each_entry(rtd, &card->rtd_list, list) {
struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
int j;
diff --git a/sound/soc/soc-dapm.c b/sound/soc/soc-dapm.c
index 016eba10b1ec..3eba72c6f9dd 100644
--- a/sound/soc/soc-dapm.c
+++ b/sound/soc/soc-dapm.c
@@ -3893,13 +3893,10 @@ static void soc_dapm_dai_stream_event(struct snd_soc_dai *dai, int stream,
void snd_soc_dapm_connect_dai_link_widgets(struct snd_soc_card *card)
{
- struct snd_soc_pcm_runtime *rtd = card->rtd;
- int i;
+ struct snd_soc_pcm_runtime *rtd;
/* for each BE DAI link... */
- for (i = 0; i < card->num_rtd; i++) {
- rtd = &card->rtd[i];
-
+ list_for_each_entry(rtd, &card->rtd_list, list) {
/*
* dynamic FE links have no fixed DAI mapping.
* CODEC<->CODEC links have no direct connection.
diff --git a/sound/soc/soc-pcm.c b/sound/soc/soc-pcm.c
index c86dc96e8986..bbeaa87a36f4 100644
--- a/sound/soc/soc-pcm.c
+++ b/sound/soc/soc-pcm.c
@@ -1213,11 +1213,10 @@ static struct snd_soc_pcm_runtime *dpcm_get_be(struct snd_soc_card *card,
struct snd_soc_dapm_widget *widget, int stream)
{
struct snd_soc_pcm_runtime *be;
- int i, j;
+ int i;
if (stream == SNDRV_PCM_STREAM_PLAYBACK) {
- for (i = 0; i < card->num_links; i++) {
- be = &card->rtd[i];
+ list_for_each_entry(be, &card->rtd_list, list) {
if (!be->dai_link->no_pcm)
continue;
@@ -1225,16 +1224,15 @@ static struct snd_soc_pcm_runtime *dpcm_get_be(struct snd_soc_card *card,
if (be->cpu_dai->playback_widget == widget)
return be;
- for (j = 0; j < be->num_codecs; j++) {
- struct snd_soc_dai *dai = be->codec_dais[j];
+ for (i = 0; i < be->num_codecs; i++) {
+ struct snd_soc_dai *dai = be->codec_dais[i];
if (dai->playback_widget == widget)
return be;
}
}
} else {
- for (i = 0; i < card->num_links; i++) {
- be = &card->rtd[i];
+ list_for_each_entry(be, &card->rtd_list, list) {
if (!be->dai_link->no_pcm)
continue;
@@ -1242,8 +1240,8 @@ static struct snd_soc_pcm_runtime *dpcm_get_be(struct snd_soc_card *card,
if (be->cpu_dai->capture_widget == widget)
return be;
- for (j = 0; j < be->num_codecs; j++) {
- struct snd_soc_dai *dai = be->codec_dais[j];
+ for (i = 0; i < be->num_codecs; i++) {
+ struct snd_soc_dai *dai = be->codec_dais[i];
if (dai->capture_widget == widget)
return be;
}
@@ -2343,12 +2341,12 @@ static int dpcm_run_old_update(struct snd_soc_pcm_runtime *fe, int stream)
*/
int soc_dpcm_runtime_update(struct snd_soc_card *card)
{
- int i, old, new, paths;
+ struct snd_soc_pcm_runtime *fe;
+ int old, new, paths;
mutex_lock_nested(&card->mutex, SND_SOC_CARD_CLASS_RUNTIME);
- for (i = 0; i < card->num_rtd; i++) {
+ list_for_each_entry(fe, &card->rtd_list, list) {
struct snd_soc_dapm_widget_list *list;
- struct snd_soc_pcm_runtime *fe = &card->rtd[i];
/* make sure link is FE */
if (!fe->dai_link->dynamic)
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.