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