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ASoC: dapm: Move CODEC to CODEC params from the widget to the runtime

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Larger CODECs may contain many several hundred widgets and which set of
parameters is selected only needs to be recorded on a per DAI basis. As
such move the selected CODEC to CODEC link params to be stored in the
runtime rather than the DAPM widget, to save some memory.

Signed-off-by: Charles Keepax <ckeepax@opensource.cirrus.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Charles Keepax 2018-09-05 15:21:02 +01:00 committed by Mark Brown
parent 4a75aae17b
commit 243bcfafcd
No known key found for this signature in database
GPG Key ID: 24D68B725D5487D0
3 changed files with 13 additions and 11 deletions
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3
include/sound/soc-dapm.h
View File

@ -584,9 +584,6 @@ struct snd_soc_dapm_widget {
void *priv; /* widget specific data */
struct regulator *regulator; /* attached regulator */
struct pinctrl *pinctrl; /* attached pinctrl */
const struct snd_soc_pcm_stream *params; /* params for dai links */
unsigned int num_params; /* number of params for dai links */
unsigned int params_select; /* currently selected param for dai link */
/* dapm control */
int reg; /* negative reg = no direct dapm */

2
include/sound/soc.h
View File

@ -1130,6 +1130,8 @@ struct snd_soc_pcm_runtime {
enum snd_soc_pcm_subclass pcm_subclass;
struct snd_pcm_ops ops;
unsigned int params_select; /* currently selected param for dai link */
/* Dynamic PCM BE runtime data */
struct snd_soc_dpcm_runtime dpcm[2];
int fe_compr;

19
sound/soc/soc-dapm.c
View File

@ -1018,9 +1018,10 @@ static int dapm_new_dai_link(struct snd_soc_dapm_widget *w)
struct snd_kcontrol *kcontrol;
struct snd_soc_dapm_context *dapm = w->dapm;
struct snd_card *card = dapm->card->snd_card;
struct snd_soc_pcm_runtime *rtd = w->priv;
/* create control for links with > 1 config */
if (w->num_params <= 1)
if (rtd->dai_link->num_params <= 1)
return 0;
/* add kcontrol */
@ -3617,13 +3618,15 @@ static int snd_soc_dai_link_event(struct snd_soc_dapm_widget *w,
struct snd_soc_dapm_path *path;
struct snd_soc_dai *source, *sink;
struct snd_soc_pcm_runtime *rtd = w->priv;
const struct snd_soc_pcm_stream *config = w->params + w->params_select;
const struct snd_soc_pcm_stream *config;
struct snd_pcm_substream substream;
struct snd_pcm_hw_params *params = NULL;
struct snd_pcm_runtime *runtime = NULL;
unsigned int fmt;
int ret;
config = rtd->dai_link->params + rtd->params_select;
if (WARN_ON(!config) ||
WARN_ON(list_empty(&w->edges[SND_SOC_DAPM_DIR_OUT]) ||
list_empty(&w->edges[SND_SOC_DAPM_DIR_IN])))
@ -3772,8 +3775,9 @@ static int snd_soc_dapm_dai_link_get(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_soc_dapm_widget *w = snd_kcontrol_chip(kcontrol);
struct snd_soc_pcm_runtime *rtd = w->priv;
ucontrol->value.enumerated.item[0] = w->params_select;
ucontrol->value.enumerated.item[0] = rtd->params_select;
return 0;
}
@ -3782,18 +3786,19 @@ static int snd_soc_dapm_dai_link_put(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_soc_dapm_widget *w = snd_kcontrol_chip(kcontrol);
struct snd_soc_pcm_runtime *rtd = w->priv;
/* Can't change the config when widget is already powered */
if (w->power)
return -EBUSY;
if (ucontrol->value.enumerated.item[0] == w->params_select)
if (ucontrol->value.enumerated.item[0] == rtd->params_select)
return 0;
if (ucontrol->value.enumerated.item[0] >= w->num_params)
if (ucontrol->value.enumerated.item[0] >= rtd->dai_link->num_params)
return -EINVAL;
w->params_select = ucontrol->value.enumerated.item[0];
rtd->params_select = ucontrol->value.enumerated.item[0];
return 0;
}
@ -3936,8 +3941,6 @@ snd_soc_dapm_new_dai(struct snd_soc_card *card, struct snd_soc_pcm_runtime *rtd,
if (IS_ERR(w))
goto outfree_kcontrol_news;
w->params = rtd->dai_link->params;
w->num_params = rtd->dai_link->num_params;
w->priv = rtd;
return w;