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Diffstat (limited to 'sound/pci/hda/cs35l41_hda_spi.c')
-rw-r--r--sound/pci/hda/cs35l41_hda_spi.c63
1 files changed, 63 insertions, 0 deletions
diff --git a/sound/pci/hda/cs35l41_hda_spi.c b/sound/pci/hda/cs35l41_hda_spi.c
new file mode 100644
index 000000000..71979cfb4
--- /dev/null
+++ b/sound/pci/hda/cs35l41_hda_spi.c
@@ -0,0 +1,63 @@
+// SPDX-License-Identifier: GPL-2.0
+//
+// CS35l41 HDA SPI driver
+//
+// Copyright 2021 Cirrus Logic, Inc.
+//
+// Author: Lucas Tanure <tanureal@opensource.cirrus.com>
+
+#include <linux/mod_devicetable.h>
+#include <linux/module.h>
+#include <linux/spi/spi.h>
+
+#include "cs35l41_hda.h"
+
+static int cs35l41_hda_spi_probe(struct spi_device *spi)
+{
+ 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(&spi->dev), "CSC3551"))
+ device_name = "CSC3551";
+ else
+ return -ENODEV;
+
+ return cs35l41_hda_probe(&spi->dev, device_name, spi->chip_select, spi->irq,
+ devm_regmap_init_spi(spi, &cs35l41_regmap_spi));
+}
+
+static void cs35l41_hda_spi_remove(struct spi_device *spi)
+{
+ cs35l41_hda_remove(&spi->dev);
+}
+
+static const struct spi_device_id cs35l41_hda_spi_id[] = {
+ { "cs35l41-hda", 0 },
+ {}
+};
+
+static const struct acpi_device_id cs35l41_acpi_hda_match[] = {
+ { "CSC3551", 0 },
+ {}
+};
+MODULE_DEVICE_TABLE(acpi, cs35l41_acpi_hda_match);
+
+static struct spi_driver cs35l41_spi_driver = {
+ .driver = {
+ .name = "cs35l41-hda",
+ .acpi_match_table = cs35l41_acpi_hda_match,
+ .pm = &cs35l41_hda_pm_ops,
+ },
+ .id_table = cs35l41_hda_spi_id,
+ .probe = cs35l41_hda_spi_probe,
+ .remove = cs35l41_hda_spi_remove,
+};
+module_spi_driver(cs35l41_spi_driver);
+
+MODULE_DESCRIPTION("HDA CS35L41 driver");
+MODULE_IMPORT_NS(SND_HDA_SCODEC_CS35L41);
+MODULE_AUTHOR("Lucas Tanure <tanureal@opensource.cirrus.com>");
+MODULE_LICENSE("GPL");