Axel Lin | c973b8a | 2014-10-06 23:09:47 +0800 | [diff] [blame] | 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 | |
Axel Lin | c973b8a | 2014-10-06 23:09:47 +0800 | [diff] [blame] | 36 | static struct spi_driver cs4271_spi_driver = { |
| 37 | .driver = { |
| 38 | .name = "cs4271", |
Axel Lin | c973b8a | 2014-10-06 23:09:47 +0800 | [diff] [blame] | 39 | .of_match_table = of_match_ptr(cs4271_dt_ids), |
| 40 | }, |
| 41 | .probe = cs4271_spi_probe, |
Axel Lin | c973b8a | 2014-10-06 23:09:47 +0800 | [diff] [blame] | 42 | }; |
| 43 | module_spi_driver(cs4271_spi_driver); |
| 44 | |
| 45 | MODULE_DESCRIPTION("ASoC CS4271 SPI Driver"); |
| 46 | MODULE_AUTHOR("Alexander Sverdlin <subaparts@yandex.ru>"); |
| 47 | MODULE_LICENSE("GPL"); |