ASoC: sdw_utils: add rt1320 dmic dai in codec_info_list

Add 'rt1320-aif2' dai info for rt1320 dmic function.

Signed-off-by: Derek Fang <derek.fang@realtek.com>

Author: oortcomet

sound/soc/sdw_utils/soc_sdw_rt_dmic.c

@@ -9,15 +9,20 @@
 
 #include <linux/device.h>
 #include <linux/errno.h>
+#include <linux/soundwire/sdw_type.h>
 #include <sound/soc.h>
 #include <sound/soc-acpi.h>
 #include <sound/soc_sdw_utils.h>
+#include <sound/sdca_function.h>
 
 int asoc_sdw_rt_dmic_rtd_init(struct snd_soc_pcm_runtime *rtd, struct snd_soc_dai *dai)
 {
 	struct snd_soc_card *card = rtd->card;
 	struct snd_soc_component *component;
+	struct sdw_slave *sdw_peripheral;
+	struct asoc_sdw_codec_info *codec_info;
 	char *mic_name;
+	int rt1320_dmic_num = 0, part_id, i;
 
 	component = dai->component;
 
@@ -32,9 +37,40 @@ int asoc_sdw_rt_dmic_rtd_init(struct snd_soc_pcm_runtime *rtd, struct snd_soc_da
 	if (!mic_name)
 		return -ENOMEM;
 
-	card->components = devm_kasprintf(card->dev, GFP_KERNEL,
-					  "%s mic:%s", card->components,
-					  mic_name);
+	/*
+	 * If there is any rt1320 DMIC belonging to this card, try to count the `cfg-mics` to be
+	 * used in card->components.
+	 */
+	if (!strcmp(dai->name, "rt1320-aif2")) {
+		codec_info = asoc_sdw_find_codec_info_dai(dai->name, &i);
+		if (!codec_info)
+			return -EINVAL;
+		part_id = codec_info->part_id;
+
+		/* count the rt1320 with SDCA function SmartMic type in this card */
+		for_each_card_components(card, component) {
+			if (!is_sdw_slave(component->dev))
+				continue;
+			sdw_peripheral = dev_to_sdw_dev(component->dev);
+			if (sdw_peripheral->id.part_id != part_id)
+				continue;
+			for (i = 0; i < sdw_peripheral->sdca_data.num_functions; i++) {
+				if (sdw_peripheral->sdca_data.function[i].type ==
+				    SDCA_FUNCTION_TYPE_SMART_MIC) {
+					rt1320_dmic_num++;
+					break;
+				}
+			}
+		}
+		card->components = devm_kasprintf(card->dev, GFP_KERNEL,
+						  "%s mic:%s cfg-mics:%d", card->components,
+						  mic_name, rt1320_dmic_num);
+	} else {
+		card->components = devm_kasprintf(card->dev, GFP_KERNEL,
+						  "%s mic:%s", card->components,
+						  mic_name);
+	}
+
 	if (!card->components)
 		return -ENOMEM;
 

sound/soc/sdw_utils/soc_sdw_utils.c

@@ -319,6 +319,7 @@ struct asoc_sdw_codec_info codec_info_list[] = {
 	{
 		.part_id = 0x1320,
 		.name_prefix = "rt1320",
+		.is_amp = true,
 		.dais = {
 			{
 				.direction = {true, false},
@@ -334,8 +335,18 @@ struct asoc_sdw_codec_info codec_info_list[] = {
 				.widgets = generic_spk_widgets,
 				.num_widgets = ARRAY_SIZE(generic_spk_widgets),
 			},
+			{
+				.direction = {false, true},
+				.dai_name = "rt1320-aif2",
+				.component_name = "rt1320",
+				.dai_type = SOC_SDW_DAI_TYPE_MIC,
+				.dailink = {SOC_SDW_UNUSED_DAI_ID, SOC_SDW_DMIC_DAI_ID},
+				.rtd_init = asoc_sdw_rt_dmic_rtd_init,
+				.widgets = generic_dmic_widgets,
+				.num_widgets = ARRAY_SIZE(generic_dmic_widgets),
+			},
 		},
-		.dai_num = 1,
+		.dai_num = 2,
 	},
 	{
 		.part_id = 0x1321,