162306a36Sopenharmony_ci/* SPDX-License-Identifier: GPL-2.0-only */ 262306a36Sopenharmony_ci/* 362306a36Sopenharmony_ci * rt5677-spi.h -- RT5677 ALSA SoC audio codec driver 462306a36Sopenharmony_ci * 562306a36Sopenharmony_ci * Copyright 2013 Realtek Semiconductor Corp. 662306a36Sopenharmony_ci * Author: Oder Chiou <oder_chiou@realtek.com> 762306a36Sopenharmony_ci */ 862306a36Sopenharmony_ci 962306a36Sopenharmony_ci#ifndef __RT5677_SPI_H__ 1062306a36Sopenharmony_ci#define __RT5677_SPI_H__ 1162306a36Sopenharmony_ci 1262306a36Sopenharmony_ci#if IS_ENABLED(CONFIG_SND_SOC_RT5677_SPI) 1362306a36Sopenharmony_ciint rt5677_spi_read(u32 addr, void *rxbuf, size_t len); 1462306a36Sopenharmony_ciint rt5677_spi_write(u32 addr, const void *txbuf, size_t len); 1562306a36Sopenharmony_ciint rt5677_spi_write_firmware(u32 addr, const struct firmware *fw); 1662306a36Sopenharmony_civoid rt5677_spi_hotword_detected(void); 1762306a36Sopenharmony_ci#else 1862306a36Sopenharmony_cistatic inline int rt5677_spi_read(u32 addr, void *rxbuf, size_t len) 1962306a36Sopenharmony_ci{ 2062306a36Sopenharmony_ci return -EINVAL; 2162306a36Sopenharmony_ci} 2262306a36Sopenharmony_cistatic inline int rt5677_spi_write(u32 addr, const void *txbuf, size_t len) 2362306a36Sopenharmony_ci{ 2462306a36Sopenharmony_ci return -EINVAL; 2562306a36Sopenharmony_ci} 2662306a36Sopenharmony_cistatic inline int rt5677_spi_write_firmware(u32 addr, const struct firmware *fw) 2762306a36Sopenharmony_ci{ 2862306a36Sopenharmony_ci return -EINVAL; 2962306a36Sopenharmony_ci} 3062306a36Sopenharmony_cistatic inline void rt5677_spi_hotword_detected(void){} 3162306a36Sopenharmony_ci#endif 3262306a36Sopenharmony_ci 3362306a36Sopenharmony_ci#endif /* __RT5677_SPI_H__ */ 34