1 // SPDX-License-Identifier: GPL-2.0 1 // SPDX-License-Identifier: GPL-2.0
2 // 2 //
3 // cs35l45-spi.c -- CS35L45 SPI driver 3 // cs35l45-spi.c -- CS35L45 SPI driver
4 // 4 //
5 // Copyright 2019-2022 Cirrus Logic, Inc. 5 // Copyright 2019-2022 Cirrus Logic, Inc.
6 // 6 //
7 // Author: James Schulman <james.schulman@cirr 7 // Author: James Schulman <james.schulman@cirrus.com>
8 8
9 #include <linux/device.h> 9 #include <linux/device.h>
10 #include <linux/module.h> 10 #include <linux/module.h>
11 #include <linux/regmap.h> 11 #include <linux/regmap.h>
12 #include <linux/spi/spi.h> 12 #include <linux/spi/spi.h>
13 13
14 #include "cs35l45.h" 14 #include "cs35l45.h"
15 15
16 static int cs35l45_spi_probe(struct spi_device 16 static int cs35l45_spi_probe(struct spi_device *spi)
17 { 17 {
18 struct cs35l45_private *cs35l45; 18 struct cs35l45_private *cs35l45;
19 struct device *dev = &spi->dev; 19 struct device *dev = &spi->dev;
20 int ret; 20 int ret;
21 21
22 cs35l45 = devm_kzalloc(dev, sizeof(str 22 cs35l45 = devm_kzalloc(dev, sizeof(struct cs35l45_private), GFP_KERNEL);
23 if (cs35l45 == NULL) 23 if (cs35l45 == NULL)
24 return -ENOMEM; 24 return -ENOMEM;
25 25
26 spi->max_speed_hz = CS35L45_SPI_MAX_FR 26 spi->max_speed_hz = CS35L45_SPI_MAX_FREQ;
27 spi_setup(spi); 27 spi_setup(spi);
28 28
29 spi_set_drvdata(spi, cs35l45); 29 spi_set_drvdata(spi, cs35l45);
30 cs35l45->regmap = devm_regmap_init_spi 30 cs35l45->regmap = devm_regmap_init_spi(spi, &cs35l45_spi_regmap);
31 if (IS_ERR(cs35l45->regmap)) { 31 if (IS_ERR(cs35l45->regmap)) {
32 ret = PTR_ERR(cs35l45->regmap) 32 ret = PTR_ERR(cs35l45->regmap);
33 dev_err(dev, "Failed to alloca 33 dev_err(dev, "Failed to allocate register map: %d\n", ret);
34 return ret; 34 return ret;
35 } 35 }
36 36
37 cs35l45->dev = dev; 37 cs35l45->dev = dev;
38 cs35l45->irq = spi->irq; 38 cs35l45->irq = spi->irq;
39 cs35l45->bus_type = CONTROL_BUS_SPI; 39 cs35l45->bus_type = CONTROL_BUS_SPI;
40 40
41 return cs35l45_probe(cs35l45); 41 return cs35l45_probe(cs35l45);
42 } 42 }
43 43
44 static void cs35l45_spi_remove(struct spi_devi 44 static void cs35l45_spi_remove(struct spi_device *spi)
45 { 45 {
46 struct cs35l45_private *cs35l45 = spi_ 46 struct cs35l45_private *cs35l45 = spi_get_drvdata(spi);
47 47
48 cs35l45_remove(cs35l45); 48 cs35l45_remove(cs35l45);
49 } 49 }
50 50
51 static const struct of_device_id cs35l45_of_ma 51 static const struct of_device_id cs35l45_of_match[] = {
52 { .compatible = "cirrus,cs35l45" }, 52 { .compatible = "cirrus,cs35l45" },
53 {}, 53 {},
54 }; 54 };
55 MODULE_DEVICE_TABLE(of, cs35l45_of_match); 55 MODULE_DEVICE_TABLE(of, cs35l45_of_match);
56 56
57 static const struct spi_device_id cs35l45_id_s 57 static const struct spi_device_id cs35l45_id_spi[] = {
58 { "cs35l45", 0 }, 58 { "cs35l45", 0 },
59 {} 59 {}
60 }; 60 };
61 MODULE_DEVICE_TABLE(spi, cs35l45_id_spi); 61 MODULE_DEVICE_TABLE(spi, cs35l45_id_spi);
62 62
63 static struct spi_driver cs35l45_spi_driver = 63 static struct spi_driver cs35l45_spi_driver = {
64 .driver = { 64 .driver = {
65 .name = "cs35l45", 65 .name = "cs35l45",
66 .of_match_table = cs35l45_of_m 66 .of_match_table = cs35l45_of_match,
67 .pm = pm_ptr(&cs35 67 .pm = pm_ptr(&cs35l45_pm_ops),
68 }, 68 },
69 .id_table = cs35l45_id_spi, 69 .id_table = cs35l45_id_spi,
70 .probe = cs35l45_spi_probe, 70 .probe = cs35l45_spi_probe,
71 .remove = cs35l45_spi_remove, 71 .remove = cs35l45_spi_remove,
72 }; 72 };
73 module_spi_driver(cs35l45_spi_driver); 73 module_spi_driver(cs35l45_spi_driver);
74 74
75 MODULE_DESCRIPTION("SPI CS35L45 driver"); 75 MODULE_DESCRIPTION("SPI CS35L45 driver");
76 MODULE_AUTHOR("James Schulman, Cirrus Logic In 76 MODULE_AUTHOR("James Schulman, Cirrus Logic Inc, <james.schulman@cirrus.com>");
77 MODULE_LICENSE("GPL"); 77 MODULE_LICENSE("GPL");
78 MODULE_IMPORT_NS(SND_SOC_CS35L45); 78 MODULE_IMPORT_NS(SND_SOC_CS35L45);
79 79
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