// SPDX-License-Identifier: GPL-2.0-only // // CS35L56 HDA audio driver I2C binding // // Copyright (C) 2023 Cirrus Logic, Inc. and // Cirrus Logic International Semiconductor Ltd. #include <linux/i2c.h> #include <linux/module.h> #include <linux/regmap.h> #include "cs35l56_hda.h" static int cs35l56_hda_i2c_probe(struct i2c_client *clt) { const struct i2c_device_id *id = i2c_client_get_device_id(clt); struct cs35l56_hda *cs35l56; int ret; cs35l56 = devm_kzalloc(&clt->dev, sizeof(*cs35l56), GFP_KERNEL); if (!cs35l56) return -ENOMEM; cs35l56->base.dev = &clt->dev; #ifdef CS35L56_WAKE_HOLD_TIME_US cs35l56->base.can_hibernate = true; #endif cs35l56->base.fw_reg = &cs35l56_fw_reg; cs35l56->base.regmap = devm_regmap_init_i2c(clt, &cs35l56_regmap_i2c); if (IS_ERR(cs35l56->base.regmap)) { ret = PTR_ERR(cs35l56->base.regmap); dev_err(cs35l56->base.dev, "Failed to allocate register map: %d\n", ret); return ret; } ret = cs35l56_hda_common_probe(cs35l56, id->driver_data, clt->addr); if (ret) return ret; ret = cs35l56_irq_request(&cs35l56->base, clt->irq); if (ret < 0) cs35l56_hda_remove(cs35l56->base.dev); return ret; } static void cs35l56_hda_i2c_remove(struct i2c_client *clt) { cs35l56_hda_remove(&clt->dev); } static const struct i2c_device_id cs35l56_hda_i2c_id[] = { { "cs35l54-hda", 0x3554 }, { "cs35l56-hda", 0x3556 }, { "cs35l57-hda", 0x3557 }, {} }; static const struct acpi_device_id cs35l56_acpi_hda_match[] = { { "CSC3554", 0 }, { "CSC3556", 0 }, { "CSC3557", 0 }, {} }; MODULE_DEVICE_TABLE(acpi, cs35l56_acpi_hda_match); static struct i2c_driver cs35l56_hda_i2c_driver = { .driver = { .name = "cs35l56-hda", .acpi_match_table = cs35l56_acpi_hda_match, .pm = &cs35l56_hda_pm_ops, }, .id_table = cs35l56_hda_i2c_id, .probe = cs35l56_hda_i2c_probe, .remove = cs35l56_hda_i2c_remove, }; module_i2c_driver(cs35l56_hda_i2c_driver); MODULE_DESCRIPTION("HDA CS35L56 I2C driver"); MODULE_IMPORT_NS("SND_HDA_SCODEC_CS35L56"); 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");