| Thomas Gleixner | d2912cb | 2019-06-04 10:11:33 +0200 | [diff] [blame] | 1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
| Oder Chiou | af48f1d | 2014-10-06 16:30:51 +0800 | [diff] [blame] | 2 | /* |
| 3 | * rt5677-spi.h -- RT5677 ALSA SoC audio codec driver |
| 4 | * |
| 5 | * Copyright 2013 Realtek Semiconductor Corp. |
| 6 | * Author: Oder Chiou <oder_chiou@realtek.com> |
| Oder Chiou | af48f1d | 2014-10-06 16:30:51 +0800 | [diff] [blame] | 7 | */ |
| 8 | |
| Oder Chiou | d65fd3a | 2014-11-05 13:42:52 +0800 | [diff] [blame] | 9 | #ifndef __RT5677_SPI_H__ |
| 10 | #define __RT5677_SPI_H__ |
| Oder Chiou | af48f1d | 2014-10-06 16:30:51 +0800 | [diff] [blame] | 11 | |
| YueHaibing | fb31944 | 2019-11-27 16:21:45 +0800 | [diff] [blame] | 12 | #if IS_ENABLED(CONFIG_SND_SOC_RT5677_SPI) |
| Ben Zhang | 7d4d443 | 2015-08-21 21:17:00 -0700 | [diff] [blame] | 13 | int rt5677_spi_read(u32 addr, void *rxbuf, size_t len); |
| 14 | int rt5677_spi_write(u32 addr, const void *txbuf, size_t len); |
| 15 | int rt5677_spi_write_firmware(u32 addr, const struct firmware *fw); |
| Ben Zhang | a0e0d13 | 2019-10-18 13:04:38 -0700 | [diff] [blame] | 16 | void rt5677_spi_hotword_detected(void); |
| YueHaibing | fb31944 | 2019-11-27 16:21:45 +0800 | [diff] [blame] | 17 | #else |
| 18 | static inline int rt5677_spi_read(u32 addr, void *rxbuf, size_t len) |
| 19 | { |
| 20 | return -EINVAL; |
| 21 | } |
| 22 | static inline int rt5677_spi_write(u32 addr, const void *txbuf, size_t len) |
| 23 | { |
| 24 | return -EINVAL; |
| 25 | } |
| 26 | static inline int rt5677_spi_write_firmware(u32 addr, const struct firmware *fw) |
| 27 | { |
| 28 | return -EINVAL; |
| 29 | } |
| 30 | static inline void rt5677_spi_hotword_detected(void){} |
| 31 | #endif |
| Oder Chiou | af48f1d | 2014-10-06 16:30:51 +0800 | [diff] [blame] | 32 | |
| 33 | #endif /* __RT5677_SPI_H__ */ |