1 // SPDX-License-Identifier: GPL-2.0-or-later << 2 /* 1 /* 3 * CS4271 SPI audio driver 2 * CS4271 SPI audio driver 4 * 3 * 5 * Copyright (c) 2010 Alexander Sverdlin <suba 4 * Copyright (c) 2010 Alexander Sverdlin <subaparts@yandex.ru> >> 5 * >> 6 * This program is free software; you can redistribute it and/or >> 7 * modify it under the terms of the GNU General Public License >> 8 * as published by the Free Software Foundation; either version 2 >> 9 * of the License, or (at your option) any later version. >> 10 * >> 11 * This program is distributed in the hope that it will be useful, >> 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of >> 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the >> 14 * GNU General Public License for more details. 6 */ 15 */ 7 16 8 #include <linux/module.h> 17 #include <linux/module.h> 9 #include <linux/spi/spi.h> 18 #include <linux/spi/spi.h> 10 #include <linux/regmap.h> 19 #include <linux/regmap.h> 11 #include <sound/soc.h> 20 #include <sound/soc.h> 12 #include "cs4271.h" 21 #include "cs4271.h" 13 22 14 static int cs4271_spi_probe(struct spi_device 23 static int cs4271_spi_probe(struct spi_device *spi) 15 { 24 { 16 struct regmap_config config; 25 struct regmap_config config; 17 26 18 config = cs4271_regmap_config; 27 config = cs4271_regmap_config; 19 config.reg_bits = 16; 28 config.reg_bits = 16; >> 29 config.val_bits = 8; 20 config.read_flag_mask = 0x21; 30 config.read_flag_mask = 0x21; 21 config.write_flag_mask = 0x20; 31 config.write_flag_mask = 0x20; 22 32 23 return cs4271_probe(&spi->dev, devm_re 33 return cs4271_probe(&spi->dev, devm_regmap_init_spi(spi, &config)); 24 } 34 } 25 35 >> 36 static int cs4271_spi_remove(struct spi_device *spi) >> 37 { >> 38 snd_soc_unregister_codec(&spi->dev); >> 39 return 0; >> 40 } >> 41 26 static struct spi_driver cs4271_spi_driver = { 42 static struct spi_driver cs4271_spi_driver = { 27 .driver = { 43 .driver = { 28 .name = "cs4271", 44 .name = "cs4271", 29 .of_match_table = of_match_ptr 45 .of_match_table = of_match_ptr(cs4271_dt_ids), 30 }, 46 }, 31 .probe = cs4271_spi_probe, 47 .probe = cs4271_spi_probe, >> 48 .remove = cs4271_spi_remove, 32 }; 49 }; 33 module_spi_driver(cs4271_spi_driver); 50 module_spi_driver(cs4271_spi_driver); 34 51 35 MODULE_DESCRIPTION("ASoC CS4271 SPI Driver"); 52 MODULE_DESCRIPTION("ASoC CS4271 SPI Driver"); 36 MODULE_AUTHOR("Alexander Sverdlin <subaparts@y 53 MODULE_AUTHOR("Alexander Sverdlin <subaparts@yandex.ru>"); 37 MODULE_LICENSE("GPL"); 54 MODULE_LICENSE("GPL"); 38 55
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