1 files changed, 69 insertions, 0 deletions
diff --git a/sound/pci/hda/cs35l41_hda_i2c.c b/sound/pci/hda/cs35l41_hda_i2c.c
new file mode 100644
index 000000000000..5a6252d9b9e1
--- /dev/null
+++ b/sound/pci/hda/cs35l41_hda_i2c.c
@@ -0,0 +1,69 @@
+// SPDX-License-Identifier: GPL-2.0
+//
+// CS35l41 HDA I2C driver
+//
+// Copyright 2021 Cirrus Logic, Inc.
+//
+// Author: Lucas Tanure <tanureal@opensource.cirrus.com>
+
+#include <linux/mod_devicetable.h>
+#include <linux/module.h>
+#include <linux/i2c.h>
+
+#include "cs35l41_hda.h"
+
+static int cs35l41_hda_i2c_probe(struct i2c_client *clt, const struct i2c_device_id *id)
+{
+	const char *device_name;
+
+	/*
+	 * Compare against the device name so it works for SPI, normal ACPI
+	 * and for ACPI by serial-multi-instantiate matching cases.
+	 */
+	if (strstr(dev_name(&clt->dev), "CLSA0100"))
+		device_name = "CLSA0100";
+	else if (strstr(dev_name(&clt->dev), "CLSA0101"))
+		device_name = "CLSA0101";
+	else if (strstr(dev_name(&clt->dev), "CSC3551"))
+		device_name = "CSC3551";
+	else
+		return -ENODEV;
+
+	return cs35l41_hda_probe(&clt->dev, device_name, clt->addr, clt->irq,
+				 devm_regmap_init_i2c(clt, &cs35l41_regmap_i2c));
+}
+
+static void cs35l41_hda_i2c_remove(struct i2c_client *clt)
+{
+	cs35l41_hda_remove(&clt->dev);
+}
+
+static const struct i2c_device_id cs35l41_hda_i2c_id[] = {
+	{ "cs35l41-hda", 0 },
+	{}
+};
+
+static const struct acpi_device_id cs35l41_acpi_hda_match[] = {
+	{"CLSA0100", 0 },
+	{"CLSA0101", 0 },
+	{"CSC3551", 0 },
+	{}
+};
+MODULE_DEVICE_TABLE(acpi, cs35l41_acpi_hda_match);
+
+static struct i2c_driver cs35l41_i2c_driver = {
+	.driver = {
+		.name		= "cs35l41-hda",
+		.acpi_match_table = cs35l41_acpi_hda_match,
+		.pm		= &cs35l41_hda_pm_ops,
+	},
+	.id_table	= cs35l41_hda_i2c_id,
+	.probe		= cs35l41_hda_i2c_probe,
+	.remove		= cs35l41_hda_i2c_remove,
+};
+module_i2c_driver(cs35l41_i2c_driver);
+
+MODULE_DESCRIPTION("HDA CS35L41 driver");
+MODULE_IMPORT_NS(SND_HDA_SCODEC_CS35L41);
+MODULE_AUTHOR("Lucas Tanure <tanureal@opensource.cirrus.com>");
+MODULE_LICENSE("GPL");