soc/codecs/cs4271-spi.c

0001 // SPDX-License-Identifier: GPL-2.0-or-later
0002 /*
0003  * CS4271 SPI audio driver
0004  *
0005  * Copyright (c) 2010 Alexander Sverdlin <subaparts@yandex.ru>
0006  */
0007
0008 #include <linux/module.h>
0009 #include <linux/spi/spi.h>
0010 #include <linux/regmap.h>
0011 #include <sound/soc.h>
0012 #include "cs4271.h"
0013
0014 static int cs4271_spi_probe(struct spi_device *spi)
0015 {
0016     struct regmap_config config;
0017
0018     config = cs4271_regmap_config;
0019     config.reg_bits = 16;
0020     config.val_bits = 8;
0021     config.read_flag_mask = 0x21;
0022     config.write_flag_mask = 0x20;
0023
0024     return cs4271_probe(&spi->dev, devm_regmap_init_spi(spi, &config));
0025 }
0026
0027 static struct spi_driver cs4271_spi_driver = {
0028     .driver = {
0029         .name   = "cs4271",
0030         .of_match_table = of_match_ptr(cs4271_dt_ids),
0031     },
0032     .probe      = cs4271_spi_probe,
0033 };
0034 module_spi_driver(cs4271_spi_driver);
0035
0036 MODULE_DESCRIPTION("ASoC CS4271 SPI Driver");
0037 MODULE_AUTHOR("Alexander Sverdlin <subaparts@yandex.ru>");
0038 MODULE_LICENSE("GPL");