1 files changed, 80 insertions, 0 deletions
diff --git a/sound/soc/sdw_utils/soc_sdw_cs42l45.c b/sound/soc/sdw_utils/soc_sdw_cs42l45.c
new file mode 100644
index 000000000000..647923d9669f
--- /dev/null
+++ b/sound/soc/sdw_utils/soc_sdw_cs42l45.c
@@ -0,0 +1,80 @@
+// SPDX-License-Identifier: GPL-2.0-only
+// Based on sof_sdw_rt5682.c
+// This file incorporates work covered by the following copyright notice:
+// Copyright (c) 2023 Intel Corporation
+// Copyright (c) 2024 Advanced Micro Devices, Inc.
+
+/*
+ *  soc_sdw_cs42l45 - Helpers to handle CS42L45 from generic machine driver
+ */
+#include <linux/device.h>
+#include <linux/errno.h>
+#include <sound/jack.h>
+#include <sound/soc.h>
+#include <sound/soc-card.h>
+#include <sound/soc-component.h>
+#include <sound/soc-dai.h>
+#include <sound/soc_sdw_utils.h>
+
+static struct snd_soc_jack_pin soc_jack_pins[] = {
+	{
+		.pin    = "cs42l45 OT 43 Headphone",
+		.mask   = SND_JACK_HEADPHONE,
+	},
+	{
+		.pin    = "cs42l45 OT 45 Headset",
+		.mask   = SND_JACK_HEADPHONE,
+	},
+	{
+		.pin    = "cs42l45 IT 31 Microphone",
+		.mask   = SND_JACK_MICROPHONE,
+	},
+	{
+		.pin    = "cs42l45 IT 33 Headset",
+		.mask   = SND_JACK_MICROPHONE,
+	},
+};
+
+int asoc_sdw_cs42l45_hs_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 = snd_soc_rtd_to_codec(rtd, 0)->component;
+	struct asoc_sdw_mc_private *ctx = snd_soc_card_get_drvdata(card);
+	struct snd_soc_jack *jack = &ctx->sdw_headset;
+	int ret;
+
+	card->components = devm_kasprintf(card->dev, GFP_KERNEL, "%s hs:cs42l45",
+					  card->components);
+	if (!card->components)
+		return -ENOMEM;
+
+	ret = snd_soc_card_jack_new_pins(card, "Jack", SND_JACK_MECHANICAL |
+					 SND_JACK_HEADSET | SND_JACK_LINEOUT, jack,
+					 soc_jack_pins, ARRAY_SIZE(soc_jack_pins));
+	if (ret) {
+		dev_err(card->dev, "Failed to create jack: %d\n", ret);
+		return ret;
+	}
+
+	ret = snd_soc_component_set_jack(component, jack, NULL);
+	if (ret) {
+		dev_err(card->dev, "Failed to register jack: %d\n", ret);
+		return ret;
+	}
+
+	return 0;
+}
+EXPORT_SYMBOL_NS(asoc_sdw_cs42l45_hs_rtd_init, "SND_SOC_SDW_UTILS");
+
+int asoc_sdw_cs42l45_dmic_rtd_init(struct snd_soc_pcm_runtime *rtd, struct snd_soc_dai *dai)
+{
+	struct snd_soc_card *card = rtd->card;
+
+	card->components = devm_kasprintf(card->dev, GFP_KERNEL, "%s mic:cs42l45-dmic",
+					  card->components);
+	if (!card->components)
+		return -ENOMEM;
+
+	return 0;
+}
+EXPORT_SYMBOL_NS(asoc_sdw_cs42l45_dmic_rtd_init, "SND_SOC_SDW_UTILS");