diff options
Diffstat (limited to 'sound/soc/codecs/rt5677-spi.h')
| -rw-r--r-- | sound/soc/codecs/rt5677-spi.h | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/sound/soc/codecs/rt5677-spi.h b/sound/soc/codecs/rt5677-spi.h new file mode 100644 index 000000000..088b77931 --- /dev/null +++ b/sound/soc/codecs/rt5677-spi.h @@ -0,0 +1,33 @@ +/* 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__ */ |