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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-11 08:27:49 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-11 08:27:49 +0000 |
commit | ace9429bb58fd418f0c81d4c2835699bddf6bde6 (patch) | |
tree | b2d64bc10158fdd5497876388cd68142ca374ed3 /sound/soc/codecs/cs35l56-i2c.c | |
parent | Initial commit. (diff) | |
download | linux-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-i2c.c')
-rw-r--r-- | sound/soc/codecs/cs35l56-i2c.c | 90 |
1 files changed, 90 insertions, 0 deletions
diff --git a/sound/soc/codecs/cs35l56-i2c.c b/sound/soc/codecs/cs35l56-i2c.c new file mode 100644 index 0000000000..d10e0e2380 --- /dev/null +++ b/sound/soc/codecs/cs35l56-i2c.c @@ -0,0 +1,90 @@ +// SPDX-License-Identifier: GPL-2.0-only +// +// CS35L56 ALSA SoC audio driver I2C binding +// +// Copyright (C) 2023 Cirrus Logic, Inc. and +// Cirrus Logic International Semiconductor Ltd. + +#include <linux/acpi.h> +#include <linux/i2c.h> +#include <linux/module.h> +#include <linux/moduleparam.h> +#include <linux/regmap.h> +#include <linux/slab.h> +#include <linux/types.h> + +#include "cs35l56.h" + +static int cs35l56_i2c_probe(struct i2c_client *client) +{ + struct cs35l56_private *cs35l56; + struct device *dev = &client->dev; + const struct regmap_config *regmap_config = &cs35l56_regmap_i2c; + int ret; + + cs35l56 = devm_kzalloc(dev, sizeof(struct cs35l56_private), GFP_KERNEL); + if (!cs35l56) + return -ENOMEM; + + cs35l56->base.dev = dev; + + i2c_set_clientdata(client, cs35l56); + cs35l56->base.regmap = devm_regmap_init_i2c(client, regmap_config); + if (IS_ERR(cs35l56->base.regmap)) { + ret = PTR_ERR(cs35l56->base.regmap); + return dev_err_probe(cs35l56->base.dev, ret, "Failed to allocate register map\n"); + } + + ret = cs35l56_common_probe(cs35l56); + if (ret != 0) + return ret; + + ret = cs35l56_init(cs35l56); + if (ret == 0) + ret = cs35l56_irq_request(&cs35l56->base, client->irq); + if (ret < 0) + cs35l56_remove(cs35l56); + + return ret; +} + +static void cs35l56_i2c_remove(struct i2c_client *client) +{ + struct cs35l56_private *cs35l56 = i2c_get_clientdata(client); + + cs35l56_remove(cs35l56); +} + +static const struct i2c_device_id cs35l56_id_i2c[] = { + { "cs35l56", 0 }, + {} +}; +MODULE_DEVICE_TABLE(i2c, cs35l56_id_i2c); + +#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 i2c_driver cs35l56_i2c_driver = { + .driver = { + .name = "cs35l56", + .pm = &cs35l56_pm_ops_i2c_spi, + .acpi_match_table = ACPI_PTR(cs35l56_asoc_acpi_match), + }, + .id_table = cs35l56_id_i2c, + .probe = cs35l56_i2c_probe, + .remove = cs35l56_i2c_remove, +}; + +module_i2c_driver(cs35l56_i2c_driver); + +MODULE_DESCRIPTION("ASoC CS35L56 I2C 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"); |