ALSA: firewire-lib/motu: use int type for the value of bitwise OR with enumerator-constant

It brings some inconvenience in practice to use enumerated type for
variable to which bitwise OR with enumerator constant is assigned.

This commit replaces declarations of enumerated type with int type.

Suggested-by: Takashi Iwai <[e-mail]>
Signed-off-by: Takashi Sakamoto <[e-mail]>
Link: https://lore.kernel.org/r/[e-mail]
Signed-off-by: Takashi Iwai <[e-mail]>

sound/firewire/amdtp-am824.c

···
  * @s: the AMDTP stream to initialize
  * @unit: the target of the stream
  * @dir: the direction of stream
- * @flags: the packet transmission method to use
+ * @flags: the details of the streaming protocol consist of cip_flags enumeration-constants.
  */
 int amdtp_am824_init(struct amdtp_stream *s, struct fw_unit *unit,
-		     enum amdtp_stream_direction dir, enum cip_flags flags)
+		     enum amdtp_stream_direction dir, unsigned int flags)
 {
 	amdtp_stream_process_ctx_payloads_t process_ctx_payloads;
 

sound/firewire/amdtp-am824.h

···
 			      struct snd_rawmidi_substream *midi);
 
 int amdtp_am824_init(struct amdtp_stream *s, struct fw_unit *unit,
-		     enum amdtp_stream_direction dir, enum cip_flags flags);
+		     enum amdtp_stream_direction dir, unsigned int flags);
 #endif

sound/firewire/amdtp-stream.c

···
  * @s: the AMDTP stream to initialize
  * @unit: the target of the stream
  * @dir: the direction of stream
- * @flags: the packet transmission method to use
+ * @flags: the details of the streaming protocol consist of cip_flags enumeration-constants.
  * @fmt: the value of fmt field in CIP header
  * @process_ctx_payloads: callback handler to process payloads of isoc context
  * @protocol_size: the size to allocate newly for protocol
  */
 int amdtp_stream_init(struct amdtp_stream *s, struct fw_unit *unit,
-		      enum amdtp_stream_direction dir, enum cip_flags flags,
+		      enum amdtp_stream_direction dir, unsigned int flags,
 		      unsigned int fmt,
 		      amdtp_stream_process_ctx_payloads_t process_ctx_payloads,
 		      unsigned int protocol_size)

sound/firewire/amdtp-stream.h

···
 struct amdtp_domain;
 struct amdtp_stream {
 	struct fw_unit *unit;
-	enum cip_flags flags;
+	// The combination of cip_flags enumeration-constants.
+	unsigned int flags;
 	enum amdtp_stream_direction direction;
 	struct mutex mutex;
 
···
 };
 
 int amdtp_stream_init(struct amdtp_stream *s, struct fw_unit *unit,
-		      enum amdtp_stream_direction dir, enum cip_flags flags,
+		      enum amdtp_stream_direction dir, unsigned int flags,
 		      unsigned int fmt,
 		      amdtp_stream_process_ctx_payloads_t process_ctx_payloads,
 		      unsigned int protocol_size);

sound/firewire/digi00x/amdtp-dot.c

···
 		 enum amdtp_stream_direction dir)
 {
 	amdtp_stream_process_ctx_payloads_t process_ctx_payloads;
-	enum cip_flags flags;
+	unsigned int flags;
 
 	// Use different mode between incoming/outgoing.
 	if (dir == AMDTP_IN_STREAM) {

sound/firewire/motu/motu.h

···
 struct snd_motu_spec {
 	const char *const name;
 	enum snd_motu_protocol_version protocol_version;
-	enum snd_motu_spec_flags flags;
+	// The combination of snd_motu_spec_flags enumeration-constants.
+	unsigned int flags;
 
 	unsigned char tx_fixed_pcm_chunks[3];
 	unsigned char rx_fixed_pcm_chunks[3];