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