1 // SPDX-License-Identifier: GPL-2.0 2 // 3 // CS35l41 HDA SPI driver 4 // 5 // Copyright 2021 Cirrus Logic, Inc. 6 // 7 // Author: Lucas Tanure <tanureal@opensource.cirrus.com> 8 9 #include <linux/mod_devicetable.h> 10 #include <linux/module.h> 11 #include <linux/spi/spi.h> 12 13 #include "cs35l41_hda.h" 14 15 static int cs35l41_hda_spi_probe(struct spi_device *spi) 16 { 17 const char *device_name; 18 19 /* 20 * Compare against the device name so it works for SPI, normal ACPI 21 * and for ACPI by serial-multi-instantiate matching cases. 22 */ 23 if (strstr(dev_name(&spi->dev), "CSC3551")) 24 device_name = "CSC3551"; 25 else 26 return -ENODEV; 27 28 return cs35l41_hda_probe(&spi->dev, device_name, spi_get_chipselect(spi, 0), spi->irq, 29 devm_regmap_init_spi(spi, &cs35l41_regmap_spi), SPI); 30 } 31 32 static void cs35l41_hda_spi_remove(struct spi_device *spi) 33 { 34 cs35l41_hda_remove(&spi->dev); 35 } 36 37 static const struct spi_device_id cs35l41_hda_spi_id[] = { 38 { "cs35l41-hda", 0 }, 39 {} 40 }; 41 MODULE_DEVICE_TABLE(spi, cs35l41_hda_spi_id); 42 43 static const struct acpi_device_id cs35l41_acpi_hda_match[] = { 44 { "CSC3551", 0 }, 45 {} 46 }; 47 MODULE_DEVICE_TABLE(acpi, cs35l41_acpi_hda_match); 48 49 static struct spi_driver cs35l41_spi_driver = { 50 .driver = { 51 .name = "cs35l41-hda", 52 .acpi_match_table = cs35l41_acpi_hda_match, 53 .pm = &cs35l41_hda_pm_ops, 54 }, 55 .id_table = cs35l41_hda_spi_id, 56 .probe = cs35l41_hda_spi_probe, 57 .remove = cs35l41_hda_spi_remove, 58 }; 59 module_spi_driver(cs35l41_spi_driver); 60 61 MODULE_DESCRIPTION("HDA CS35L41 driver"); 62 MODULE_IMPORT_NS(SND_HDA_SCODEC_CS35L41); 63 MODULE_AUTHOR("Lucas Tanure <tanureal@opensource.cirrus.com>"); 64 MODULE_LICENSE("GPL"); 65