1 /* SPDX-License-Identifier: GPL-2.0 !! 1 /* >> 2 * linux/sound/soc/codecs/tlv320aic32x4-spi.c 2 * 3 * 3 * Copyright 2011-2019 NW Digital Radio !! 4 * Copyright 2011 NW Digital Radio 4 * 5 * 5 * Author: Annaliese McDermond <nh6z@nh6z.net> !! 6 * Author: Jeremy McDermond <nh6z@nh6z.net> 6 * 7 * 7 * Based on sound/soc/codecs/wm8974 and TI dri 8 * Based on sound/soc/codecs/wm8974 and TI driver for kernel 2.6.27. 8 * 9 * >> 10 * This program is free software; you can redistribute it and/or modify >> 11 * it under the terms of the GNU General Public License as published by >> 12 * the Free Software Foundation; either version 2 of the License, or >> 13 * (at your option) any later version. >> 14 * >> 15 * This program is distributed in the hope that it will be useful, >> 16 * but WITHOUT ANY WARRANTY; without even the implied warranty of >> 17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the >> 18 * GNU General Public License for more details. 9 */ 19 */ 10 20 11 #include <linux/spi/spi.h> 21 #include <linux/spi/spi.h> 12 #include <linux/module.h> 22 #include <linux/module.h> 13 #include <linux/of.h> 23 #include <linux/of.h> 14 #include <linux/regmap.h> 24 #include <linux/regmap.h> 15 #include <sound/soc.h> 25 #include <sound/soc.h> 16 26 17 #include "tlv320aic32x4.h" 27 #include "tlv320aic32x4.h" 18 28 19 static int aic32x4_spi_probe(struct spi_device 29 static int aic32x4_spi_probe(struct spi_device *spi) 20 { 30 { 21 struct regmap *regmap; 31 struct regmap *regmap; 22 struct regmap_config config; 32 struct regmap_config config; 23 enum aic32x4_type type; << 24 33 25 config = aic32x4_regmap_config; 34 config = aic32x4_regmap_config; 26 config.reg_bits = 7; 35 config.reg_bits = 7; 27 config.pad_bits = 1; 36 config.pad_bits = 1; 28 config.val_bits = 8; 37 config.val_bits = 8; 29 config.read_flag_mask = 0x01; 38 config.read_flag_mask = 0x01; 30 39 31 regmap = devm_regmap_init_spi(spi, &co 40 regmap = devm_regmap_init_spi(spi, &config); 32 type = (uintptr_t)spi_get_device_match !! 41 return aic32x4_probe(&spi->dev, regmap); 33 << 34 return aic32x4_probe(&spi->dev, regmap << 35 } 42 } 36 43 37 static void aic32x4_spi_remove(struct spi_devi !! 44 static int aic32x4_spi_remove(struct spi_device *spi) 38 { 45 { 39 aic32x4_remove(&spi->dev); !! 46 return aic32x4_remove(&spi->dev); 40 } 47 } 41 48 42 static const struct spi_device_id aic32x4_spi_ 49 static const struct spi_device_id aic32x4_spi_id[] = { 43 { "tlv320aic32x4", (kernel_ulong_t)AIC !! 50 { "tlv320aic32x4", 0 }, 44 { "tlv320aic32x6", (kernel_ulong_t)AIC << 45 { /* sentinel */ } 51 { /* sentinel */ } 46 }; 52 }; 47 MODULE_DEVICE_TABLE(spi, aic32x4_spi_id); 53 MODULE_DEVICE_TABLE(spi, aic32x4_spi_id); 48 54 49 static const struct of_device_id aic32x4_of_id 55 static const struct of_device_id aic32x4_of_id[] = { 50 { .compatible = "ti,tlv320aic32x4", .d !! 56 { .compatible = "ti,tlv320aic32x4", }, 51 { .compatible = "ti,tlv320aic32x6", .d << 52 { /* senitel */ } 57 { /* senitel */ } 53 }; 58 }; 54 MODULE_DEVICE_TABLE(of, aic32x4_of_id); 59 MODULE_DEVICE_TABLE(of, aic32x4_of_id); 55 60 56 static struct spi_driver aic32x4_spi_driver = 61 static struct spi_driver aic32x4_spi_driver = { 57 .driver = { 62 .driver = { 58 .name = "tlv320aic32x4", 63 .name = "tlv320aic32x4", >> 64 .owner = THIS_MODULE, 59 .of_match_table = aic32x4_of_i 65 .of_match_table = aic32x4_of_id, 60 }, 66 }, 61 .probe = aic32x4_spi_probe, 67 .probe = aic32x4_spi_probe, 62 .remove = aic32x4_spi_remove, 68 .remove = aic32x4_spi_remove, 63 .id_table = aic32x4_spi_id, 69 .id_table = aic32x4_spi_id, 64 }; 70 }; 65 71 66 module_spi_driver(aic32x4_spi_driver); 72 module_spi_driver(aic32x4_spi_driver); 67 73 68 MODULE_DESCRIPTION("ASoC TLV320AIC32x4 codec d 74 MODULE_DESCRIPTION("ASoC TLV320AIC32x4 codec driver SPI"); 69 MODULE_AUTHOR("Annaliese McDermond <nh6z@nh6z. !! 75 MODULE_AUTHOR("Jeremy McDermond <nh6z@nh6z.net>"); 70 MODULE_LICENSE("GPL"); 76 MODULE_LICENSE("GPL"); 71 77
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