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ASoC: soc.h: clarify Codec2Codec params 

snd_soc_dai_link has params/num_params, but it is unclear that
params for what. This patch clarify it is params for Codec2Codec.

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Link: https://lore.kernel.org/r/87o7o5c2lk.wl-kuninori.morimoto.gx@renesas.com
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Kuninori Morimoto 2023-04-02 22:59:35 +00:00 committed by Mark Brown
parent 750e1a226c
commit 7ddc7f91be
No known key found for this signature in database
GPG Key ID: 24D68B725D5487D0
4 changed files with 47 additions and 30 deletions
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12
include/sound/soc.h
View File

@ -684,8 +684,14 @@ struct snd_soc_dai_link {
int id; /* optional ID for machine driver link identification */
const struct snd_soc_pcm_stream *params;
unsigned int num_params;
/*
* for Codec2Codec
*/
const struct snd_soc_pcm_stream *c2c_params;
unsigned int num_c2c_params;
const struct snd_soc_pcm_stream *params; /* REMOVE ME */
unsigned int num_params; /* REMOVE ME */
unsigned int dai_fmt; /* format to set on init */
@ -1065,7 +1071,7 @@ struct snd_soc_pcm_runtime {
struct snd_soc_dai_link *dai_link;
struct snd_pcm_ops ops;
unsigned int params_select; /* currently selected param for dai link */
unsigned int c2c_params_select; /* currently selected c2c_param for dai link */
/* Dynamic PCM BE runtime data */
struct snd_soc_dpcm_runtime dpcm[SNDRV_PCM_STREAM_LAST + 1];

11
sound/soc/soc-core.c
View File

@ -2294,6 +2294,9 @@ EXPORT_SYMBOL_GPL(snd_soc_add_dai_controls);
*/
int snd_soc_register_card(struct snd_soc_card *card)
{
struct snd_soc_dai_link *dai_link;
int i;
if (!card->name || !card->dev)
return -EINVAL;
@ -2314,6 +2317,14 @@ int snd_soc_register_card(struct snd_soc_card *card)
mutex_init(&card->dapm_mutex);
mutex_init(&card->pcm_mutex);
/* REMOVE ME */
for_each_card_prelinks(card, i, dai_link) {
if (!dai_link->c2c_params) {
dai_link->c2c_params = dai_link->params;
dai_link->num_c2c_params = dai_link->num_params;
}
}
return snd_soc_bind_card(card);
}
EXPORT_SYMBOL_GPL(snd_soc_register_card);

44
sound/soc/soc-dapm.c
View File

@ -1075,7 +1075,7 @@ static int dapm_new_dai_link(struct snd_soc_dapm_widget *w)
struct snd_soc_pcm_runtime *rtd = w->priv;
/* create control for links with > 1 config */
if (rtd->dai_link->num_params <= 1)
if (rtd->dai_link->num_c2c_params <= 1)
return 0;
/* add kcontrol */
@ -3864,7 +3864,7 @@ snd_soc_dai_link_event_pre_pmu(struct snd_soc_dapm_widget *w,
* either party on the link to alter the configuration if
* necessary
*/
config = rtd->dai_link->params + rtd->params_select;
config = rtd->dai_link->c2c_params + rtd->c2c_params_select;
if (!config) {
dev_err(w->dapm->dev, "ASoC: link config missing\n");
ret = -EINVAL;
@ -4010,7 +4010,7 @@ static int snd_soc_dapm_dai_link_get(struct snd_kcontrol *kcontrol,
struct snd_soc_dapm_widget *w = snd_kcontrol_chip(kcontrol);
struct snd_soc_pcm_runtime *rtd = w->priv;
ucontrol->value.enumerated.item[0] = rtd->params_select;
ucontrol->value.enumerated.item[0] = rtd->c2c_params_select;
return 0;
}
@ -4025,13 +4025,13 @@ static int snd_soc_dapm_dai_link_put(struct snd_kcontrol *kcontrol,
if (w->power)
return -EBUSY;
if (ucontrol->value.enumerated.item[0] == rtd->params_select)
if (ucontrol->value.enumerated.item[0] == rtd->c2c_params_select)
return 0;
if (ucontrol->value.enumerated.item[0] >= rtd->dai_link->num_params)
if (ucontrol->value.enumerated.item[0] >= rtd->dai_link->num_c2c_params)
return -EINVAL;
rtd->params_select = ucontrol->value.enumerated.item[0];
rtd->c2c_params_select = ucontrol->value.enumerated.item[0];
return 1;
}
@ -4039,7 +4039,7 @@ static int snd_soc_dapm_dai_link_put(struct snd_kcontrol *kcontrol,
static void
snd_soc_dapm_free_kcontrol(struct snd_soc_card *card,
unsigned long *private_value,
int num_params,
int num_c2c_params,
const char **w_param_text)
{
int count;
@ -4049,7 +4049,7 @@ snd_soc_dapm_free_kcontrol(struct snd_soc_card *card,
if (!w_param_text)
return;
for (count = 0 ; count < num_params; count++)
for (count = 0 ; count < num_c2c_params; count++)
devm_kfree(card->dev, (void *)w_param_text[count]);
devm_kfree(card->dev, w_param_text);
}
@ -4057,8 +4057,8 @@ snd_soc_dapm_free_kcontrol(struct snd_soc_card *card,
static struct snd_kcontrol_new *
snd_soc_dapm_alloc_kcontrol(struct snd_soc_card *card,
char *link_name,
const struct snd_soc_pcm_stream *params,
int num_params, const char **w_param_text,
const struct snd_soc_pcm_stream *c2c_params,
int num_c2c_params, const char **w_param_text,
unsigned long *private_value)
{
struct soc_enum w_param_enum[] = {
@ -4070,10 +4070,10 @@ snd_soc_dapm_alloc_kcontrol(struct snd_soc_card *card,
snd_soc_dapm_dai_link_put),
};
struct snd_kcontrol_new *kcontrol_news;
const struct snd_soc_pcm_stream *config = params;
const struct snd_soc_pcm_stream *config = c2c_params;
int count;
for (count = 0 ; count < num_params; count++) {
for (count = 0 ; count < num_c2c_params; count++) {
if (!config->stream_name) {
dev_warn(card->dapm.dev,
"ASoC: anonymous config %d for dai link %s\n",
@ -4093,7 +4093,7 @@ snd_soc_dapm_alloc_kcontrol(struct snd_soc_card *card,
config++;
}
w_param_enum[0].items = num_params;
w_param_enum[0].items = num_c2c_params;
w_param_enum[0].texts = w_param_text;
*private_value =
@ -4118,7 +4118,7 @@ snd_soc_dapm_alloc_kcontrol(struct snd_soc_card *card,
return kcontrol_news;
outfree_w_param:
snd_soc_dapm_free_kcontrol(card, private_value, num_params, w_param_text);
snd_soc_dapm_free_kcontrol(card, private_value, num_c2c_params, w_param_text);
return NULL;
}
@ -4146,17 +4146,17 @@ snd_soc_dapm_new_dai(struct snd_soc_card *card,
w_param_text = NULL;
kcontrol_news = NULL;
num_kcontrols = 0;
if (rtd->dai_link->num_params > 1) {
if (rtd->dai_link->num_c2c_params > 1) {
w_param_text = devm_kcalloc(card->dev,
rtd->dai_link->num_params,
rtd->dai_link->num_c2c_params,
sizeof(char *), GFP_KERNEL);
if (!w_param_text)
goto param_fail;
num_kcontrols = 1;
kcontrol_news = snd_soc_dapm_alloc_kcontrol(card, link_name,
rtd->dai_link->params,
rtd->dai_link->num_params,
rtd->dai_link->c2c_params,
rtd->dai_link->num_c2c_params,
w_param_text, &private_value);
if (!kcontrol_news)
goto param_fail;
@ -4187,7 +4187,7 @@ snd_soc_dapm_new_dai(struct snd_soc_card *card,
outfree_kcontrol_news:
devm_kfree(card->dev, (void *)template.kcontrol_news);
snd_soc_dapm_free_kcontrol(card, &private_value,
rtd->dai_link->num_params, w_param_text);
rtd->dai_link->num_c2c_params, w_param_text);
param_fail:
devm_kfree(card->dev, link_name);
name_fail:
@ -4336,7 +4336,7 @@ static void dapm_connect_dai_pair(struct snd_soc_card *card,
struct snd_pcm_str *streams = rtd->pcm->streams;
int stream;
if (dai_link->params) {
if (dai_link->c2c_params) {
playback_cpu = snd_soc_dai_get_widget_capture(cpu_dai);
capture_cpu = snd_soc_dai_get_widget_playback(cpu_dai);
} else {
@ -4349,7 +4349,7 @@ static void dapm_connect_dai_pair(struct snd_soc_card *card,
codec = snd_soc_dai_get_widget(codec_dai, stream);
if (playback_cpu && codec) {
if (dai_link->params && !rtd->c2c_widget[stream]) {
if (dai_link->c2c_params && !rtd->c2c_widget[stream]) {
substream = streams[stream].substream;
dai = snd_soc_dapm_new_dai(card, substream, "playback");
if (IS_ERR(dai))
@ -4368,7 +4368,7 @@ capture:
codec = snd_soc_dai_get_widget(codec_dai, stream);
if (codec && capture_cpu) {
if (dai_link->params && !rtd->c2c_widget[stream]) {
if (dai_link->c2c_params && !rtd->c2c_widget[stream]) {
substream = streams[stream].substream;
dai = snd_soc_dapm_new_dai(card, substream, "capture");
if (IS_ERR(dai))

10
sound/soc/soc-pcm.c
View File

@ -2793,9 +2793,9 @@ static int soc_get_playback_capture(struct snd_soc_pcm_runtime *rtd,
struct snd_soc_dai *codec_dai;
/* Adapt stream for codec2codec links */
int cpu_capture = rtd->dai_link->params ?
int cpu_capture = rtd->dai_link->c2c_params ?
SNDRV_PCM_STREAM_PLAYBACK : SNDRV_PCM_STREAM_CAPTURE;
int cpu_playback = rtd->dai_link->params ?
int cpu_playback = rtd->dai_link->c2c_params ?
SNDRV_PCM_STREAM_CAPTURE : SNDRV_PCM_STREAM_PLAYBACK;
for_each_rtd_codec_dais(rtd, i, codec_dai) {
@ -2839,7 +2839,7 @@ static int soc_create_pcm(struct snd_pcm **pcm,
int ret;
/* create the PCM */
if (rtd->dai_link->params) {
if (rtd->dai_link->c2c_params) {
snprintf(new_name, sizeof(new_name), "codec2codec(%s)",
rtd->dai_link->stream_name);
@ -2896,7 +2896,7 @@ int soc_new_pcm(struct snd_soc_pcm_runtime *rtd, int num)
* don't interface with the outside world or application layer
* we don't have to do any special handling on close.
*/
if (!rtd->dai_link->params)
if (!rtd->dai_link->c2c_params)
rtd->close_delayed_work_func = snd_soc_close_delayed_work;
rtd->pcm = pcm;
@ -2904,7 +2904,7 @@ int soc_new_pcm(struct snd_soc_pcm_runtime *rtd, int num)
pcm->private_data = rtd;
pcm->no_device_suspend = true;
if (rtd->dai_link->no_pcm || rtd->dai_link->params) {
if (rtd->dai_link->no_pcm || rtd->dai_link->c2c_params) {
if (playback)
pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream->private_data = rtd;
if (capture)