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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:49:45 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:49:45 +0000 |
commit | 2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch) | |
tree | 848558de17fb3008cdf4d861b01ac7781903ce39 /sound/soc/codecs/cs35l41-i2c.c | |
parent | Initial commit. (diff) | |
download | linux-upstream.tar.xz linux-upstream.zip |
Adding upstream version 6.1.76.upstream/6.1.76upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'sound/soc/codecs/cs35l41-i2c.c')
-rw-r--r-- | sound/soc/codecs/cs35l41-i2c.c | 99 |
1 files changed, 99 insertions, 0 deletions
diff --git a/sound/soc/codecs/cs35l41-i2c.c b/sound/soc/codecs/cs35l41-i2c.c new file mode 100644 index 000000000..3676b596f --- /dev/null +++ b/sound/soc/codecs/cs35l41-i2c.c @@ -0,0 +1,99 @@ +// SPDX-License-Identifier: GPL-2.0 +// +// cs35l41-i2c.c -- CS35l41 I2C driver +// +// Copyright 2017-2021 Cirrus Logic, Inc. +// +// Author: David Rhodes <david.rhodes@cirrus.com> + +#include <linux/acpi.h> +#include <linux/delay.h> +#include <linux/i2c.h> +#include <linux/init.h> +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/moduleparam.h> +#include <linux/of_device.h> +#include <linux/platform_device.h> +#include <linux/slab.h> + +#include "cs35l41.h" + +static const struct i2c_device_id cs35l41_id_i2c[] = { + { "cs35l40", 0 }, + { "cs35l41", 0 }, + { "cs35l51", 0 }, + { "cs35l53", 0 }, + {} +}; + +MODULE_DEVICE_TABLE(i2c, cs35l41_id_i2c); + +static int cs35l41_i2c_probe(struct i2c_client *client) +{ + struct cs35l41_private *cs35l41; + struct device *dev = &client->dev; + struct cs35l41_hw_cfg *hw_cfg = dev_get_platdata(dev); + const struct regmap_config *regmap_config = &cs35l41_regmap_i2c; + int ret; + + cs35l41 = devm_kzalloc(dev, sizeof(struct cs35l41_private), GFP_KERNEL); + + if (!cs35l41) + return -ENOMEM; + + cs35l41->dev = dev; + cs35l41->irq = client->irq; + + i2c_set_clientdata(client, cs35l41); + cs35l41->regmap = devm_regmap_init_i2c(client, regmap_config); + if (IS_ERR(cs35l41->regmap)) { + ret = PTR_ERR(cs35l41->regmap); + dev_err(cs35l41->dev, "Failed to allocate register map: %d\n", ret); + return ret; + } + + return cs35l41_probe(cs35l41, hw_cfg); +} + +static void cs35l41_i2c_remove(struct i2c_client *client) +{ + struct cs35l41_private *cs35l41 = i2c_get_clientdata(client); + + cs35l41_remove(cs35l41); +} + +#ifdef CONFIG_OF +static const struct of_device_id cs35l41_of_match[] = { + { .compatible = "cirrus,cs35l40" }, + { .compatible = "cirrus,cs35l41" }, + {}, +}; +MODULE_DEVICE_TABLE(of, cs35l41_of_match); +#endif + +#ifdef CONFIG_ACPI +static const struct acpi_device_id cs35l41_acpi_match[] = { + { "CSC3541", 0 }, /* Cirrus Logic PnP ID + part ID */ + {}, +}; +MODULE_DEVICE_TABLE(acpi, cs35l41_acpi_match); +#endif + +static struct i2c_driver cs35l41_i2c_driver = { + .driver = { + .name = "cs35l41", + .pm = &cs35l41_pm_ops, + .of_match_table = of_match_ptr(cs35l41_of_match), + .acpi_match_table = ACPI_PTR(cs35l41_acpi_match), + }, + .id_table = cs35l41_id_i2c, + .probe_new = cs35l41_i2c_probe, + .remove = cs35l41_i2c_remove, +}; + +module_i2c_driver(cs35l41_i2c_driver); + +MODULE_DESCRIPTION("I2C CS35L41 driver"); +MODULE_AUTHOR("David Rhodes, Cirrus Logic Inc, <david.rhodes@cirrus.com>"); +MODULE_LICENSE("GPL"); |