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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-11 08:27:49 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-11 08:27:49 +0000
commitace9429bb58fd418f0c81d4c2835699bddf6bde6 (patch)
treeb2d64bc10158fdd5497876388cd68142ca374ed3 /sound/soc/codecs/cs35l56-spi.c
parentInitial commit. (diff)
downloadlinux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.tar.xz
linux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.zip
Adding upstream version 6.6.15.upstream/6.6.15
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'sound/soc/codecs/cs35l56-spi.c')
-rw-r--r--sound/soc/codecs/cs35l56-spi.c88
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");