ALSA: firewire-lib: Rename functions, structure, member for AMDTP

This patch renames some functions, a structure and its member to reuse them
in both AMDTP in/out stream.

Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>

1 files changed, 35 insertions, 29 deletions

diff --git a/sound/firewire/amdtp.h b/sound/firewire/amdtp.h
index 2746ecd291af..60028c7fc144 100644
--- a/sound/firewire/amdtp.h
+++ b/sound/firewire/amdtp.h
@@ -8,7 +8,7 @@
 #include "packets-buffer.h"
 
 /**
- * enum cip_out_flags - describes details of the streaming protocol
+ * enum cip_flags - describes details of the streaming protocol
  * @CIP_NONBLOCKING: In non-blocking mode, each packet contains
  *	sample_rate/8000 samples, with rounding up or down to adjust
  *	for clock skew and left-over fractional samples.  This should
@@ -21,7 +21,7 @@
  *	two samples of a channel are stored consecutively in the packet.
  *	Requires blocking mode and SYT_INTERVAL-aligned PCM buffer size.
  */
-enum cip_out_flags {
+enum cip_flags {
 	CIP_NONBLOCKING	= 0x00,
 	CIP_BLOCKING	= 0x01,
 	CIP_HI_DUALWIRE	= 0x02,
@@ -48,9 +48,9 @@ struct fw_unit;
 struct fw_iso_context;
 struct snd_pcm_substream;
 
-struct amdtp_out_stream {
+struct amdtp_stream {
 	struct fw_unit *unit;
-	enum cip_out_flags flags;
+	enum cip_flags flags;
 	struct fw_iso_context *context;
 	struct mutex mutex;
 
@@ -59,7 +59,7 @@ struct amdtp_out_stream {
 	unsigned int data_block_quadlets;
 	unsigned int pcm_channels;
 	unsigned int midi_ports;
-	void (*transfer_samples)(struct amdtp_out_stream *s,
+	void (*transfer_samples)(struct amdtp_stream *s,
 				 struct snd_pcm_substream *pcm,
 				 __be32 *buffer, unsigned int frames);
 
@@ -84,56 +84,62 @@ struct amdtp_out_stream {
 	bool pointer_flush;
 };
 
-int amdtp_out_stream_init(struct amdtp_out_stream *s, struct fw_unit *unit,
-			  enum cip_out_flags flags);
-void amdtp_out_stream_destroy(struct amdtp_out_stream *s);
+int amdtp_stream_init(struct amdtp_stream *s, struct fw_unit *unit,
+		      enum cip_flags flags);
+void amdtp_stream_destroy(struct amdtp_stream *s);
 
-void amdtp_out_stream_set_parameters(struct amdtp_out_stream *s,
-				     unsigned int rate,
-				     unsigned int pcm_channels,
-				     unsigned int midi_ports);
-unsigned int amdtp_out_stream_get_max_payload(struct amdtp_out_stream *s);
+void amdtp_stream_set_parameters(struct amdtp_stream *s,
+				 unsigned int rate,
+				 unsigned int pcm_channels,
+				 unsigned int midi_ports);
+unsigned int amdtp_stream_get_max_payload(struct amdtp_stream *s);
 
-int amdtp_out_stream_start(struct amdtp_out_stream *s, int channel, int speed);
-void amdtp_out_stream_update(struct amdtp_out_stream *s);
-void amdtp_out_stream_stop(struct amdtp_out_stream *s);
+int amdtp_stream_start(struct amdtp_stream *s, int channel, int speed);
+void amdtp_stream_update(struct amdtp_stream *s);
+void amdtp_stream_stop(struct amdtp_stream *s);
 
-void amdtp_out_stream_set_pcm_format(struct amdtp_out_stream *s,
-				     snd_pcm_format_t format);
-void amdtp_out_stream_pcm_prepare(struct amdtp_out_stream *s);
-unsigned long amdtp_out_stream_pcm_pointer(struct amdtp_out_stream *s);
-void amdtp_out_stream_pcm_abort(struct amdtp_out_stream *s);
+void amdtp_stream_set_pcm_format(struct amdtp_stream *s,
+				 snd_pcm_format_t format);
+void amdtp_stream_pcm_prepare(struct amdtp_stream *s);
+unsigned long amdtp_stream_pcm_pointer(struct amdtp_stream *s);
+void amdtp_stream_pcm_abort(struct amdtp_stream *s);
 
 extern const unsigned int amdtp_syt_intervals[CIP_SFC_COUNT];
 
-static inline bool amdtp_out_stream_running(struct amdtp_out_stream *s)
+/**
+ * amdtp_stream_running - check stream is running or not
+ * @s: the AMDTP stream
+ *
+ * If this function returns true, the stream is running.
+ */
+static inline bool amdtp_stream_running(struct amdtp_stream *s)
 {
 	return !IS_ERR(s->context);
 }
 
 /**
- * amdtp_out_streaming_error - check for streaming error
- * @s: the AMDTP output stream
+ * amdtp_streaming_error - check for streaming error
+ * @s: the AMDTP stream
  *
  * If this function returns true, the stream's packet queue has stopped due to
  * an asynchronous error.
  */
-static inline bool amdtp_out_streaming_error(struct amdtp_out_stream *s)
+static inline bool amdtp_streaming_error(struct amdtp_stream *s)
 {
 	return s->packet_index < 0;
 }
 
 /**
- * amdtp_out_stream_pcm_trigger - start/stop playback from a PCM device
- * @s: the AMDTP output stream
+ * amdtp_stream_pcm_trigger - start/stop playback from a PCM device
+ * @s: the AMDTP stream
  * @pcm: the PCM device to be started, or %NULL to stop the current device
  *
  * Call this function on a running isochronous stream to enable the actual
  * transmission of PCM data.  This function should be called from the PCM
  * device's .trigger callback.
  */
-static inline void amdtp_out_stream_pcm_trigger(struct amdtp_out_stream *s,
-						struct snd_pcm_substream *pcm)
+static inline void amdtp_stream_pcm_trigger(struct amdtp_stream *s,
+					    struct snd_pcm_substream *pcm)
 {
 	ACCESS_ONCE(s->pcm) = pcm;
 }