1 /* 2 * CS4271 SPI audio driver 3 * 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. 15 */ 16 17 #include <linux/module.h> 18 #include <linux/spi/spi.h> 19 #include <linux/regmap.h> 20 #include <sound/soc.h> 21 #include "cs4271.h" 22 23 static int cs4271_spi_probe(struct spi_device *spi) 24 { 25 struct regmap_config config; 26 27 config = cs4271_regmap_config; 28 config.reg_bits = 16; 29 config.val_bits = 8; 30 config.read_flag_mask = 0x21; 31 config.write_flag_mask = 0x20; 32 33 return cs4271_probe(&spi->dev, devm_regmap_init_spi(spi, &config)); 34 } 35 36 static int cs4271_spi_remove(struct spi_device *spi) 37 { 38 snd_soc_unregister_codec(&spi->dev); 39 return 0; 40 } 41 42 static struct spi_driver cs4271_spi_driver = { 43 .driver = { 44 .name = "cs4271", 45 .owner = THIS_MODULE, 46 .of_match_table = of_match_ptr(cs4271_dt_ids), 47 }, 48 .probe = cs4271_spi_probe, 49 .remove = cs4271_spi_remove, 50 }; 51 module_spi_driver(cs4271_spi_driver); 52 53 MODULE_DESCRIPTION("ASoC CS4271 SPI Driver"); 54 MODULE_AUTHOR("Alexander Sverdlin <subaparts@yandex.ru>"); 55 MODULE_LICENSE("GPL"); 56