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