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fb3194413d
If CONFIG_SPI is n, SND_SOC_RT5677_SPI also is n, building fails:
sound/soc/codecs/rt5677.o: In function `rt5677_irq':
rt5677.c:(.text+0x2dbf): undefined reference to `rt5677_spi_hotword_detected'
sound/soc/codecs/rt5677.o: In function `rt5677_dsp_work':
rt5677.c:(.text+0x3709): undefined reference to `rt5677_spi_write'
This adds stub helpers to fix this.
Reported-by: Hulk Robot <hulkci@huawei.com>
Fixes: 461c623270 ("ASoC: rt5677: Load firmware via SPI using delayed work")
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Link: https://lore.kernel.org/r/20191127082145.6100-1-yuehaibing@huawei.com
Signed-off-by: Mark Brown <broonie@kernel.org>
34 lines
912 B
C
34 lines
912 B
C
/* 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 <oder_chiou@realtek.com>
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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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