/* SPDX-License-Identifier: GPL-2.0-only */ /* * rt5677-spi.h -- RT5677 ALSA SoC audio codec driver * * Copyright 2013 Realtek Semiconductor Corp. * Author: Oder Chiou */ #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__ */