// 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; cs35l56->base.can_hibernate = true; 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 = pm_ptr(&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");