Adding upstream version 4.19.249.upstream/4.19.249upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 21 insertions, 0 deletions

diff --git a/sound/soc/samsung/dma.h b/sound/soc/samsung/dma.h
new file mode 100644
index 000000000..7ae580d67
--- /dev/null
+++ b/sound/soc/samsung/dma.h
@@ -0,0 +1,21 @@
+/*
+ *  This program is free software; you can redistribute  it and/or modify it
+ *  under  the terms of  the GNU General  Public License as published by the
+ *  Free Software Foundation;  either version 2 of the  License, or (at your
+ *  option) any later version.
+ *
+ *  ALSA PCM interface for the Samsung SoC
+ */
+
+#ifndef _SAMSUNG_DMA_H
+#define _SAMSUNG_DMA_H
+
+#include <sound/dmaengine_pcm.h>
+
+/*
+ * @tx, @rx arguments can be NULL if the DMA channel names are "tx", "rx",
+ * otherwise actual DMA channel names must be passed to this function.
+ */
+int samsung_asoc_dma_platform_register(struct device *dev, dma_filter_fn filter,
+				       const char *tx, const char *rx);
+#endif /* _SAMSUNG_DMA_H */