1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
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> |
7 | */ |
8 | |
9 | #ifndef __RT5677_SPI_H__ |
10 | #define __RT5677_SPI_H__ |
11 | |
12 | #if IS_ENABLED(CONFIG_SND_SOC_RT5677_SPI) |
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); |
16 | void rt5677_spi_hotword_detected(void); |
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 |
32 | |
33 | #endif /* __RT5677_SPI_H__ */ |
34 | |