| /* SPDX-License-Identifier: GPL-2.0-only */ |
| /* |
| * rt5677-spi.h -- RT5677 ALSA SoC audio codec driver |
| * |
| * Copyright 2013 Realtek Semiconductor Corp. |
| * Author: Oder Chiou <oder_chiou@realtek.com> |
| */ |
| |
| #ifndef __RT5677_SPI_H__ |
| #define __RT5677_SPI_H__ |
| |
| #if IS_ENABLED(CONFIG_SND_SOC_RT5677_SPI) |
| int rt5677_spi_read(u32 addr, void *rxbuf, size_t len); |
| int rt5677_spi_write(u32 addr, const void *txbuf, size_t len); |
| int rt5677_spi_write_firmware(u32 addr, const struct firmware *fw); |
| void rt5677_spi_hotword_detected(void); |
| #else |
| static inline int rt5677_spi_read(u32 addr, void *rxbuf, size_t len) |
| { |
| return -EINVAL; |
| } |
| static inline int rt5677_spi_write(u32 addr, const void *txbuf, size_t len) |
| { |
| return -EINVAL; |
| } |
| static inline int rt5677_spi_write_firmware(u32 addr, const struct firmware *fw) |
| { |
| return -EINVAL; |
| } |
| static inline void rt5677_spi_hotword_detected(void){} |
| #endif |
| |
| #endif /* __RT5677_SPI_H__ */ |
