66 struct loopback_pcm;
72 	int (*open)(struct loopback_pcm *dpcm);
76 	int (*start)(struct loopback_pcm *dpcm);
80 	int (*stop)(struct loopback_pcm *dpcm);
82 	int (*stop_sync)(struct loopback_pcm *dpcm);
84 	int (*close_substream)(struct loopback_pcm *dpcm);
88 	int (*close_cable)(struct loopback_pcm *dpcm);
94 	void (*dpcm_info)(struct loopback_pcm *dpcm,
100 	struct loopback_pcm *streams[2];
138 struct loopback_pcm {  struct
165 static inline unsigned int byte_pos(struct loopback_pcm *dpcm, unsigned int x)  in byte_pos()  argument
176 static inline unsigned int frac_pos(struct loopback_pcm *dpcm, unsigned int x)  in frac_pos()
187 static inline struct loopback_setup *get_setup(struct loopback_pcm *dpcm)  in get_setup()
196 static inline unsigned int get_notify(struct loopback_pcm *dpcm)  in get_notify()
201 static inline unsigned int get_rate_shift(struct loopback_pcm *dpcm)  in get_rate_shift()
207 static int loopback_jiffies_timer_start(struct loopback_pcm *dpcm)  in loopback_jiffies_timer_start()
228 static int loopback_snd_timer_start(struct loopback_pcm *dpcm)  in loopback_snd_timer_start()
257 static inline int loopback_jiffies_timer_stop(struct loopback_pcm *dpcm)  in loopback_jiffies_timer_stop()
266 static int loopback_snd_timer_stop(struct loopback_pcm *dpcm)  in loopback_snd_timer_stop()
288 static inline int loopback_jiffies_timer_stop_sync(struct loopback_pcm *dpcm)  in loopback_jiffies_timer_stop_sync()
296 static int loopback_snd_timer_close_cable(struct loopback_pcm *dpcm)  in loopback_snd_timer_close_cable()
370 static void loopback_active_notify(struct loopback_pcm *dpcm)  in loopback_active_notify()
380 	struct loopback_pcm *dpcm = runtime->private_data;  in loopback_trigger()
437 	struct loopback_pcm *dpcm = runtime->private_data;  in params_change()
457 	struct loopback_pcm *dpcm = runtime->private_data;  in loopback_prepare()
499 static void clear_capture_buf(struct loopback_pcm *dpcm, unsigned int bytes)  in clear_capture_buf()
525 static void copy_play_buf(struct loopback_pcm *play,  in copy_play_buf()
526 			  struct loopback_pcm *capt,  in copy_play_buf()
574 static inline unsigned int bytepos_delta(struct loopback_pcm *dpcm,  in bytepos_delta()
593 static inline void bytepos_finish(struct loopback_pcm *dpcm,  in bytepos_finish()
604 	struct loopback_pcm *dpcm_play =  in loopback_jiffies_timer_pos_update()
606 	struct loopback_pcm *dpcm_capt =  in loopback_jiffies_timer_pos_update()
658 	struct loopback_pcm *dpcm = from_timer(dpcm, t, timer);  in loopback_jiffies_timer_function()
681 		struct loopback_pcm *dpcm = runtime->private_data;  in loopback_snd_timer_check_resolution()
714 	struct loopback_pcm *dpcm_play, *dpcm_capt;  in loopback_snd_timer_period_elapsed()
837 static void loopback_jiffies_timer_dpcm_info(struct loopback_pcm *dpcm,  in loopback_jiffies_timer_dpcm_info()
849 static void loopback_snd_timer_dpcm_info(struct loopback_pcm *dpcm,  in loopback_snd_timer_dpcm_info()
866 	struct loopback_pcm *dpcm = runtime->private_data;  in loopback_pointer()
904 	struct loopback_pcm *dpcm = runtime->private_data;  in loopback_runtime_free()
911 	struct loopback_pcm *dpcm = runtime->private_data;  in loopback_hw_free()
931 	struct loopback_pcm *dpcm = rule->private;  in rule_format()
946 	struct loopback_pcm *dpcm = rule->private;  in rule_rate()
962 	struct loopback_pcm *dpcm = rule->private;  in rule_channels()
978 	struct loopback_pcm *dpcm = rule->private;  in rule_period_bytes()
1007 		struct loopback_pcm *dpcm = substream->runtime->private_data;  in free_cable()
1017 static int loopback_jiffies_timer_open(struct loopback_pcm *dpcm)  in loopback_jiffies_timer_open()
1095 static int loopback_snd_timer_open(struct loopback_pcm *dpcm)  in loopback_snd_timer_open()
1187 	struct loopback_pcm *dpcm;  in loopback_open()
1287 	struct loopback_pcm *dpcm = substream->runtime->private_data;  in loopback_close()
1606 			    struct loopback_pcm *dpcm,  in print_dpcm_info()