ASoC: topology: Unify code for creating standalone and widget bytes control

Code used to create standalone and widget bytes control is same, with
exception that in standalone case dynamic object needs to be registered
and control created directly.
Signed-off-by: Amadeusz Sławiński <amadeuszx.slawinski@linux.intel.com>
Link: https://patch.msgid.link/20240627101850.2191513-12-amadeuszx.slawinski@linux.intel.comSigned-off-by: Mark Brown <broonie@kernel.org>

sound/soc/soc-topology.c

@@ -875,41 +875,21 @@ static int soc_tplg_control_dbytes_create(struct soc_tplg *tplg, struct snd_kcon
 
 static int soc_tplg_dbytes_create(struct soc_tplg *tplg, size_t size)
 {
-	struct snd_soc_tplg_bytes_control *be;
+	struct snd_kcontrol_new kc = {0};
 	struct soc_bytes_ext *sbe;
-	struct snd_kcontrol_new kc;
-	int ret = 0;
+	int ret;
 
 	if (soc_tplg_check_elem_count(tplg,
 				      sizeof(struct snd_soc_tplg_bytes_control),
 				      1, size, "mixer bytes"))
 		return -EINVAL;
 
-	be = (struct snd_soc_tplg_bytes_control *)tplg->pos;
-
-	/* validate kcontrol */
-	if (strnlen(be->hdr.name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) ==
-		SNDRV_CTL_ELEM_ID_NAME_MAXLEN)
-		return -EINVAL;
-
-	sbe = devm_kzalloc(tplg->dev, sizeof(*sbe), GFP_KERNEL);
-	if (sbe == NULL)
-		return -ENOMEM;
-
-	tplg->pos += (sizeof(struct snd_soc_tplg_bytes_control) +
-		      le32_to_cpu(be->priv.size));
-
-	dev_dbg(tplg->dev,
-		"ASoC: adding bytes kcontrol %s with access 0x%x\n",
-		be->hdr.name, be->hdr.access);
-
-	memset(&kc, 0, sizeof(kc));
-	kc.name = be->hdr.name;
-	kc.private_value = (long)sbe;
-	kc.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
-	kc.access = le32_to_cpu(be->hdr.access);
+	ret = soc_tplg_control_dbytes_create(tplg, &kc);
+	if (ret)
+		return ret;
 
-	sbe->max = le32_to_cpu(be->max);
+	/* register dynamic object */
+	sbe = (struct soc_bytes_ext *)&kc.private_value;
 
 	INIT_LIST_HEAD(&sbe->dobj.list);
 	sbe->dobj.type = SND_SOC_DOBJ_BYTES;
@@ -917,26 +897,13 @@ static int soc_tplg_dbytes_create(struct soc_tplg *tplg, size_t size)
 	if (tplg->ops)
 		sbe->dobj.unload = tplg->ops->control_unload;
 
-	/* map io handlers */
-	ret = soc_tplg_kcontrol_bind_io(&be->hdr, &kc, tplg);
-	if (ret) {
-		soc_control_err(tplg, &be->hdr, be->hdr.name);
-		goto err;
-	}
-
-	/* pass control to driver for optional further init */
-	ret = soc_tplg_control_load(tplg, &kc, &be->hdr);
-	if (ret < 0)
-		goto err;
-
-	/* register control here */
+	/* create control directly */
 	ret = soc_tplg_add_kcontrol(tplg, &kc, &sbe->dobj.control.kcontrol);
 	if (ret < 0)
-		goto err;
+		return ret;
 
 	list_add(&sbe->dobj.list, &tplg->comp->dobj_list);
 
-err:
 	return ret;
 }