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Diffstat (limited to 'sound/soc/soc-topology.c')
-rw-r--r--sound/soc/soc-topology.c163
1 files changed, 87 insertions, 76 deletions
diff --git a/sound/soc/soc-topology.c b/sound/soc/soc-topology.c
index 4dfdc656cce6..63e1a50f2161 100644
--- a/sound/soc/soc-topology.c
+++ b/sound/soc/soc-topology.c
@@ -486,21 +486,24 @@ static void remove_widget(struct snd_soc_component *comp,
dobj->ops->widget_unload(comp, dobj);
/*
- * Dynamic Widgets either have 1 enum kcontrol or 1..N mixers.
+ * Dynamic Widgets either have 1..N enum kcontrols or mixers.
* The enum may either have an array of values or strings.
*/
if (dobj->widget.kcontrol_enum) {
/* enumerated widget mixer */
- struct soc_enum *se =
- (struct soc_enum *)w->kcontrols[0]->private_value;
+ for (i = 0; i < w->num_kcontrols; i++) {
+ struct snd_kcontrol *kcontrol = w->kcontrols[i];
+ struct soc_enum *se =
+ (struct soc_enum *)kcontrol->private_value;
- snd_ctl_remove(card, w->kcontrols[0]);
+ snd_ctl_remove(card, kcontrol);
- kfree(se->dobj.control.dvalues);
- for (i = 0; i < se->items; i++)
- kfree(se->dobj.control.dtexts[i]);
+ kfree(se->dobj.control.dvalues);
+ for (i = 0; i < se->items; i++)
+ kfree(se->dobj.control.dtexts[i]);
- kfree(se);
+ kfree(se);
+ }
kfree(w->kcontrol_news);
} else {
/* non enumerated widget mixer */
@@ -1256,98 +1259,105 @@ err:
}
static struct snd_kcontrol_new *soc_tplg_dapm_widget_denum_create(
- struct soc_tplg *tplg)
+ struct soc_tplg *tplg, int num_kcontrols)
{
struct snd_kcontrol_new *kc;
struct snd_soc_tplg_enum_control *ec;
struct soc_enum *se;
- int i, err;
-
- ec = (struct snd_soc_tplg_enum_control *)tplg->pos;
- tplg->pos += (sizeof(struct snd_soc_tplg_enum_control) +
- ec->priv.size);
-
- /* validate kcontrol */
- if (strnlen(ec->hdr.name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) ==
- SNDRV_CTL_ELEM_ID_NAME_MAXLEN)
- return NULL;
+ int i, j, err;
- kc = kzalloc(sizeof(*kc), GFP_KERNEL);
+ kc = kcalloc(num_kcontrols, sizeof(*kc), GFP_KERNEL);
if (kc == NULL)
return NULL;
- se = kzalloc(sizeof(*se), GFP_KERNEL);
- if (se == NULL)
- goto err;
+ for (i = 0; i < num_kcontrols; i++) {
+ ec = (struct snd_soc_tplg_enum_control *)tplg->pos;
+ /* validate kcontrol */
+ if (strnlen(ec->hdr.name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) ==
+ SNDRV_CTL_ELEM_ID_NAME_MAXLEN)
+ return NULL;
+
+ se = kzalloc(sizeof(*se), GFP_KERNEL);
+ if (se == NULL)
+ goto err;
- dev_dbg(tplg->dev, " adding DAPM widget enum control %s\n",
- ec->hdr.name);
+ dev_dbg(tplg->dev, " adding DAPM widget enum control %s\n",
+ ec->hdr.name);
- kc->name = ec->hdr.name;
- kc->private_value = (long)se;
- kc->iface = SNDRV_CTL_ELEM_IFACE_MIXER;
- kc->access = ec->hdr.access;
+ kc[i].name = ec->hdr.name;
+ kc[i].private_value = (long)se;
+ kc[i].iface = SNDRV_CTL_ELEM_IFACE_MIXER;
+ kc[i].access = ec->hdr.access;
- /* we only support FL/FR channel mapping atm */
- se->reg = tplc_chan_get_reg(tplg, ec->channel, SNDRV_CHMAP_FL);
- se->shift_l = tplc_chan_get_shift(tplg, ec->channel, SNDRV_CHMAP_FL);
- se->shift_r = tplc_chan_get_shift(tplg, ec->channel, SNDRV_CHMAP_FR);
+ /* we only support FL/FR channel mapping atm */
+ se->reg = tplc_chan_get_reg(tplg, ec->channel, SNDRV_CHMAP_FL);
+ se->shift_l = tplc_chan_get_shift(tplg, ec->channel,
+ SNDRV_CHMAP_FL);
+ se->shift_r = tplc_chan_get_shift(tplg, ec->channel,
+ SNDRV_CHMAP_FR);
- se->items = ec->items;
- se->mask = ec->mask;
- se->dobj.index = tplg->index;
+ se->items = ec->items;
+ se->mask = ec->mask;
+ se->dobj.index = tplg->index;
- switch (ec->hdr.ops.info) {
- case SND_SOC_TPLG_CTL_ENUM_VALUE:
- case SND_SOC_TPLG_DAPM_CTL_ENUM_VALUE:
- err = soc_tplg_denum_create_values(se, ec);
- if (err < 0) {
- dev_err(tplg->dev, "ASoC: could not create values for %s\n",
- ec->hdr.name);
+ switch (ec->hdr.ops.info) {
+ case SND_SOC_TPLG_CTL_ENUM_VALUE:
+ case SND_SOC_TPLG_DAPM_CTL_ENUM_VALUE:
+ err = soc_tplg_denum_create_values(se, ec);
+ if (err < 0) {
+ dev_err(tplg->dev, "ASoC: could not create values for %s\n",
+ ec->hdr.name);
+ goto err_se;
+ }
+ /* fall through to create texts */
+ case SND_SOC_TPLG_CTL_ENUM:
+ case SND_SOC_TPLG_DAPM_CTL_ENUM_DOUBLE:
+ case SND_SOC_TPLG_DAPM_CTL_ENUM_VIRT:
+ err = soc_tplg_denum_create_texts(se, ec);
+ if (err < 0) {
+ dev_err(tplg->dev, "ASoC: could not create texts for %s\n",
+ ec->hdr.name);
+ goto err_se;
+ }
+ break;
+ default:
+ dev_err(tplg->dev, "ASoC: invalid enum control type %d for %s\n",
+ ec->hdr.ops.info, ec->hdr.name);
goto err_se;
}
- /* fall through to create texts */
- case SND_SOC_TPLG_CTL_ENUM:
- case SND_SOC_TPLG_DAPM_CTL_ENUM_DOUBLE:
- case SND_SOC_TPLG_DAPM_CTL_ENUM_VIRT:
- err = soc_tplg_denum_create_texts(se, ec);
+
+ /* map io handlers */
+ err = soc_tplg_kcontrol_bind_io(&ec->hdr, &kc[i], tplg);
+ if (err) {
+ soc_control_err(tplg, &ec->hdr, ec->hdr.name);
+ goto err_se;
+ }
+
+ /* pass control to driver for optional further init */
+ err = soc_tplg_init_kcontrol(tplg, &kc[i],
+ (struct snd_soc_tplg_ctl_hdr *)ec);
if (err < 0) {
- dev_err(tplg->dev, "ASoC: could not create texts for %s\n",
+ dev_err(tplg->dev, "ASoC: failed to init %s\n",
ec->hdr.name);
goto err_se;
}
- break;
- default:
- dev_err(tplg->dev, "ASoC: invalid enum control type %d for %s\n",
- ec->hdr.ops.info, ec->hdr.name);
- goto err_se;
- }
- /* map io handlers */
- err = soc_tplg_kcontrol_bind_io(&ec->hdr, kc, tplg);
- if (err) {
- soc_control_err(tplg, &ec->hdr, ec->hdr.name);
- goto err_se;
- }
-
- /* pass control to driver for optional further init */
- err = soc_tplg_init_kcontrol(tplg, kc,
- (struct snd_soc_tplg_ctl_hdr *)ec);
- if (err < 0) {
- dev_err(tplg->dev, "ASoC: failed to init %s\n",
- ec->hdr.name);
- goto err_se;
+ tplg->pos += (sizeof(struct snd_soc_tplg_enum_control) +
+ ec->priv.size);
}
return kc;
err_se:
- /* free values and texts */
- kfree(se->dobj.control.dvalues);
- for (i = 0; i < ec->items; i++)
- kfree(se->dobj.control.dtexts[i]);
+ for (; i >= 0; i--) {
+ /* free values and texts */
+ se = (struct soc_enum *)kc[i].private_value;
+ kfree(se->dobj.control.dvalues);
+ for (j = 0; j < ec->items; j++)
+ kfree(se->dobj.control.dtexts[j]);
- kfree(se);
+ kfree(se);
+ }
err:
kfree(kc);
@@ -1499,9 +1509,10 @@ static int soc_tplg_dapm_widget_create(struct soc_tplg *tplg,
case SND_SOC_TPLG_DAPM_CTL_ENUM_VIRT:
case SND_SOC_TPLG_DAPM_CTL_ENUM_VALUE:
template.dobj.widget.kcontrol_enum = 1;
- template.num_kcontrols = 1;
+ template.num_kcontrols = w->num_kcontrols;
template.kcontrol_news =
- soc_tplg_dapm_widget_denum_create(tplg);
+ soc_tplg_dapm_widget_denum_create(tplg,
+ template.num_kcontrols);
if (!template.kcontrol_news) {
ret = -ENOMEM;
goto hdr_err;
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.