ASoC: SOF: Add enum_get/put control ops for IPC3

Define and set the enum_get/put control IPC ops for IPC3.

Signed-off-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
Reviewed-by: Péter Ujfalusi <peter.ujfalusi@linux.intel.com>
Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Link: https://lore.kernel.org/r/20220317175044.1752400-9-ranjani.sridharan@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>

Author: ranj063

sound/soc/sof/control.c

@@ -160,46 +160,31 @@ int snd_sof_switch_put(struct snd_kcontrol *kcontrol,
 int snd_sof_enum_get(struct snd_kcontrol *kcontrol,
 		     struct snd_ctl_elem_value *ucontrol)
 {
-	struct soc_enum *se =
-		(struct soc_enum *)kcontrol->private_value;
+	struct soc_enum *se = (struct soc_enum *)kcontrol->private_value;
 	struct snd_sof_control *scontrol = se->dobj.private;
-	struct sof_ipc_ctrl_data *cdata = scontrol->ipc_control_data;
-	unsigned int i, channels = scontrol->num_channels;
-
-	snd_sof_refresh_control(scontrol);
+	struct snd_soc_component *scomp = scontrol->scomp;
+	struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
+	const struct sof_ipc_tplg_ops *tplg_ops = sdev->ipc->ops->tplg;
 
-	/* read back each channel */
-	for (i = 0; i < channels; i++)
-		ucontrol->value.enumerated.item[i] = cdata->chanv[i].value;
+	if (tplg_ops->control->enum_get)
+		return tplg_ops->control->enum_get(scontrol, ucontrol);
 
 	return 0;
 }
 
 int snd_sof_enum_put(struct snd_kcontrol *kcontrol,
 		     struct snd_ctl_elem_value *ucontrol)
 {
-	struct soc_enum *se =
-		(struct soc_enum *)kcontrol->private_value;
+	struct soc_enum *se = (struct soc_enum *)kcontrol->private_value;
 	struct snd_sof_control *scontrol = se->dobj.private;
 	struct snd_soc_component *scomp = scontrol->scomp;
-	struct sof_ipc_ctrl_data *cdata = scontrol->ipc_control_data;
-	unsigned int i, channels = scontrol->num_channels;
-	bool change = false;
-	u32 value;
-
-	/* update each channel */
-	for (i = 0; i < channels; i++) {
-		value = ucontrol->value.enumerated.item[i];
-		change = change || (value != cdata->chanv[i].value);
-		cdata->chanv[i].channel = i;
-		cdata->chanv[i].value = value;
-	}
+	struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
+	const struct sof_ipc_tplg_ops *tplg_ops = sdev->ipc->ops->tplg;
 
-	/* notify DSP of enum updates */
-	if (pm_runtime_active(scomp->dev))
-		snd_sof_ipc_set_get_comp_data(scontrol, true);
+	if (tplg_ops->control->enum_put)
+		return tplg_ops->control->enum_put(scontrol, ucontrol);
 
-	return change;
+	return false;
 }
 
 int snd_sof_bytes_get(struct snd_kcontrol *kcontrol,

sound/soc/sof/ipc3-control.c

@@ -157,6 +157,54 @@ static bool sof_ipc3_switch_put(struct snd_sof_control *scontrol,
 	return change;
 }
 
+static int sof_ipc3_enum_get(struct snd_sof_control *scontrol,
+			     struct snd_ctl_elem_value *ucontrol)
+{
+	struct sof_ipc_ctrl_data *cdata = scontrol->ipc_control_data;
+	unsigned int channels = scontrol->num_channels;
+	unsigned int i;
+
+	snd_sof_refresh_control(scontrol);
+
+	/* read back each channel */
+	for (i = 0; i < channels; i++)
+		ucontrol->value.enumerated.item[i] = cdata->chanv[i].value;
+
+	return 0;
+}
+
+static bool sof_ipc3_enum_put(struct snd_sof_control *scontrol,
+			      struct snd_ctl_elem_value *ucontrol)
+{
+	struct sof_ipc_ctrl_data *cdata = scontrol->ipc_control_data;
+	struct snd_soc_component *scomp = scontrol->scomp;
+	unsigned int channels = scontrol->num_channels;
+	unsigned int i;
+	bool change = false;
+	u32 value;
+
+	/* update each channel */
+	for (i = 0; i < channels; i++) {
+		value = ucontrol->value.enumerated.item[i];
+		change = change || (value != cdata->chanv[i].value);
+		cdata->chanv[i].channel = i;
+		cdata->chanv[i].value = value;
+	}
+
+	/* notify DSP of enum updates */
+	if (pm_runtime_active(scomp->dev)) {
+		int ret = snd_sof_ipc_set_get_comp_data(scontrol, true);
+
+		if (ret < 0) {
+			dev_err(scomp->dev, "Failed to set enum updates for %s\n",
+				scontrol->name);
+			return false;
+		}
+	}
+
+	return change;
+}
+
 static void snd_sof_update_control(struct snd_sof_control *scontrol,
 				   struct sof_ipc_ctrl_data *cdata)
 {
@@ -302,5 +350,7 @@ const struct sof_ipc_tplg_control_ops tplg_ipc3_control_ops = {
 	.volume_get = sof_ipc3_volume_get,
 	.switch_put = sof_ipc3_switch_put,
 	.switch_get = sof_ipc3_switch_get,
+	.enum_put = sof_ipc3_enum_put,
+	.enum_get = sof_ipc3_enum_get,
 	.update = sof_ipc3_control_update,
 };