[update] update ignored files

components/multimedia/audio_flowctrl_bridge/include/pcm_drv.h

@@ -0,0 +1,28 @@
+/**
+ ****************************************************************************************
+ *
+ * Copyright (C) Bouffalo Lab 2016-2018
+ *
+ ****************************************************************************************
+ */
+
+#include <stdio.h>
+#include <stdint.h>
+#include <string.h>
+#include <errno.h>
+#include <atomic.h>
+#include <assert.h>
+
+typedef void * pcm_handle_t;
+
+struct pcm_drv {
+    pcm_handle_t *(*pcm_open)(int mode, int samplerate, int channels, int format);
+    int (*pcm_write)(pcm_handle_t pcm, const void *buf, unsigned int size);
+    int (*pcm_start)(pcm_handle_t pcm);
+    int (*pcm_stop)(pcm_handle_t pcm);
+    int (*pcm_ioctl)(pcm_handle_t pcm, int cmd, void *arg);
+    void (*pcm_close)(pcm_handle_t pcm);
+};
+
+const struct pcm_drv *pcm_drv_register(void);
+