Adding upstream version 6.6.15.upstream/6.6.15

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 88 insertions, 0 deletions

diff --git a/sound/soc/codecs/cs35l56-spi.c b/sound/soc/codecs/cs35l56-spi.c
new file mode 100644
index 0000000000..9962703915
--- /dev/null
+++ b/sound/soc/codecs/cs35l56-spi.c
@@ -0,0 +1,88 @@
+// SPDX-License-Identifier: GPL-2.0-only
+//
+// CS35L56 ALSA SoC audio driver SPI binding
+//
+// Copyright (C) 2023 Cirrus Logic, Inc. and
+//                    Cirrus Logic International Semiconductor Ltd.
+
+#include <linux/acpi.h>
+#include <linux/module.h>
+#include <linux/moduleparam.h>
+#include <linux/regmap.h>
+#include <linux/spi/spi.h>
+#include <linux/types.h>
+
+#include "cs35l56.h"
+
+static int cs35l56_spi_probe(struct spi_device *spi)
+{
+	const struct regmap_config *regmap_config = &cs35l56_regmap_spi;
+	struct cs35l56_private *cs35l56;
+	int ret;
+
+	cs35l56 = devm_kzalloc(&spi->dev, sizeof(struct cs35l56_private), GFP_KERNEL);
+	if (!cs35l56)
+		return -ENOMEM;
+
+	spi_set_drvdata(spi, cs35l56);
+	cs35l56->base.regmap = devm_regmap_init_spi(spi, regmap_config);
+	if (IS_ERR(cs35l56->base.regmap)) {
+		ret = PTR_ERR(cs35l56->base.regmap);
+		return dev_err_probe(&spi->dev, ret, "Failed to allocate register map\n");
+	}
+
+	cs35l56->base.dev = &spi->dev;
+
+	ret = cs35l56_common_probe(cs35l56);
+	if (ret != 0)
+		return ret;
+
+	ret = cs35l56_init(cs35l56);
+	if (ret == 0)
+		ret = cs35l56_irq_request(&cs35l56->base, spi->irq);
+	if (ret < 0)
+		cs35l56_remove(cs35l56);
+
+	return ret;
+}
+
+static void cs35l56_spi_remove(struct spi_device *spi)
+{
+	struct cs35l56_private *cs35l56 = spi_get_drvdata(spi);
+
+	cs35l56_remove(cs35l56);
+}
+
+static const struct spi_device_id cs35l56_id_spi[] = {
+	{ "cs35l56", 0 },
+	{}
+};
+MODULE_DEVICE_TABLE(spi, cs35l56_id_spi);
+
+#ifdef CONFIG_ACPI
+static const struct acpi_device_id cs35l56_asoc_acpi_match[] = {
+	{ "CSC355C", 0 },
+	{},
+};
+MODULE_DEVICE_TABLE(acpi, cs35l56_asoc_acpi_match);
+#endif
+
+static struct spi_driver cs35l56_spi_driver = {
+	.driver = {
+		.name		= "cs35l56",
+		.pm = &cs35l56_pm_ops_i2c_spi,
+		.acpi_match_table = ACPI_PTR(cs35l56_asoc_acpi_match),
+	},
+	.id_table	= cs35l56_id_spi,
+	.probe		= cs35l56_spi_probe,
+	.remove		= cs35l56_spi_remove,
+};
+
+module_spi_driver(cs35l56_spi_driver);
+
+MODULE_DESCRIPTION("ASoC CS35L56 SPI driver");
+MODULE_IMPORT_NS(SND_SOC_CS35L56_CORE);
+MODULE_IMPORT_NS(SND_SOC_CS35L56_SHARED);
+MODULE_AUTHOR("Richard Fitzgerald <rf@opensource.cirrus.com>");
+MODULE_AUTHOR("Simon Trimmer <simont@opensource.cirrus.com>");
+MODULE_LICENSE("GPL");