--- zzzz-none-000/linux-3.10.107/include/sound/rawmidi.h	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/include/sound/rawmidi.h	2021-02-04 17:41:59.000000000 +0000
@@ -28,6 +28,7 @@
 #include <linux/wait.h>
 #include <linux/mutex.h>
 #include <linux/workqueue.h>
+#include <linux/device.h>
 
 #if defined(CONFIG_SND_SEQUENCER) || defined(CONFIG_SND_SEQUENCER_MODULE)
 #include <sound/seq_device.h>
@@ -77,6 +78,7 @@
 	size_t xruns;		/* over/underruns counter */
 	/* misc */
 	spinlock_t lock;
+	struct mutex realloc_mutex;
 	wait_queue_head_t sleep;
 	/* event handler (new bytes, input only) */
 	void (*event)(struct snd_rawmidi_substream *substream);
@@ -139,7 +141,8 @@
 	struct mutex open_mutex;
 	wait_queue_head_t open_wait;
 
-	struct snd_info_entry *dev;
+	struct device dev;
+
 	struct snd_info_entry *proc_entry;
 
 #if defined(CONFIG_SND_SEQUENCER) || defined(CONFIG_SND_SEQUENCER_MODULE)
@@ -157,16 +160,18 @@
 
 /* callbacks */
 
-void snd_rawmidi_receive_reset(struct snd_rawmidi_substream *substream);
 int snd_rawmidi_receive(struct snd_rawmidi_substream *substream,
 			const unsigned char *buffer, int count);
-void snd_rawmidi_transmit_reset(struct snd_rawmidi_substream *substream);
 int snd_rawmidi_transmit_empty(struct snd_rawmidi_substream *substream);
 int snd_rawmidi_transmit_peek(struct snd_rawmidi_substream *substream,
 			      unsigned char *buffer, int count);
 int snd_rawmidi_transmit_ack(struct snd_rawmidi_substream *substream, int count);
 int snd_rawmidi_transmit(struct snd_rawmidi_substream *substream,
 			 unsigned char *buffer, int count);
+int __snd_rawmidi_transmit_peek(struct snd_rawmidi_substream *substream,
+			      unsigned char *buffer, int count);
+int __snd_rawmidi_transmit_ack(struct snd_rawmidi_substream *substream,
+			       int count);
 
 /* main midi functions */