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Diffstat (limited to 'sound/soc/codecs/rt5677-spi.h')
-rw-r--r--sound/soc/codecs/rt5677-spi.h33
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 0000000000..088b779317
--- /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__ */