70 struct loopback_pcm;
76 	int (*open)(struct loopback_pcm *dpcm);
80 	int (*start)(struct loopback_pcm *dpcm);
84 	int (*stop)(struct loopback_pcm *dpcm);
86 	int (*stop_sync)(struct loopback_pcm *dpcm);
88 	int (*close_substream)(struct loopback_pcm *dpcm);
92 	int (*close_cable)(struct loopback_pcm *dpcm);
98 	void (*dpcm_info)(struct loopback_pcm *dpcm,
104 	struct loopback_pcm *streams[2];
142 struct loopback_pcm {  struct
185 static inline unsigned int byte_pos(struct loopback_pcm *dpcm, unsigned int x)  in byte_pos()  argument
196 static inline unsigned int frac_pos(struct loopback_pcm *dpcm, unsigned int x)  in frac_pos()
207 static inline struct loopback_setup *get_setup(struct loopback_pcm *dpcm)  in get_setup()
216 static inline unsigned int get_notify(struct loopback_pcm *dpcm)  in get_notify()
221 static inline unsigned int get_rate_shift(struct loopback_pcm *dpcm)  in get_rate_shift()
227 static int loopback_jiffies_timer_start(struct loopback_pcm *dpcm)  in loopback_jiffies_timer_start()
248 static int loopback_snd_timer_start(struct loopback_pcm *dpcm)  in loopback_snd_timer_start()
277 static inline int loopback_jiffies_timer_stop(struct loopback_pcm *dpcm)  in loopback_jiffies_timer_stop()
286 static int loopback_snd_timer_stop(struct loopback_pcm *dpcm)  in loopback_snd_timer_stop()
308 static inline int loopback_jiffies_timer_stop_sync(struct loopback_pcm *dpcm)  in loopback_jiffies_timer_stop_sync()
316 static int loopback_snd_timer_close_cable(struct loopback_pcm *dpcm)  in loopback_snd_timer_close_cable()
390 static void loopback_active_notify(struct loopback_pcm *dpcm)  in loopback_active_notify()
400 	struct loopback_pcm *dpcm = runtime->private_data;  in loopback_trigger()
457 	struct loopback_pcm *dpcm = runtime->private_data;  in params_change()
477 	struct loopback_pcm *dpcm = runtime->private_data;  in loopback_prepare()
519 static void clear_capture_buf(struct loopback_pcm *dpcm, unsigned int bytes)  in clear_capture_buf()
545 static void copy_play_buf(struct loopback_pcm *play,  in copy_play_buf()
546 			  struct loopback_pcm *capt,  in copy_play_buf()
594 static inline unsigned int bytepos_delta(struct loopback_pcm *dpcm,  in bytepos_delta()
613 static inline void bytepos_finish(struct loopback_pcm *dpcm,  in bytepos_finish()
624 	struct loopback_pcm *dpcm_play =  in loopback_jiffies_timer_pos_update()
626 	struct loopback_pcm *dpcm_capt =  in loopback_jiffies_timer_pos_update()
678 	struct loopback_pcm *dpcm = from_timer(dpcm, t, timer);  in loopback_jiffies_timer_function()
701 		struct loopback_pcm *dpcm = runtime->private_data;  in loopback_snd_timer_check_resolution()
734 	struct loopback_pcm *dpcm_play, *dpcm_capt;  in loopback_snd_timer_period_elapsed()
857 static void loopback_jiffies_timer_dpcm_info(struct loopback_pcm *dpcm,  in loopback_jiffies_timer_dpcm_info()
869 static void loopback_snd_timer_dpcm_info(struct loopback_pcm *dpcm,  in loopback_snd_timer_dpcm_info()
886 	struct loopback_pcm *dpcm = runtime->private_data;  in loopback_pointer()
924 	struct loopback_pcm *dpcm = runtime->private_data;  in loopback_runtime_free()
931 	struct loopback_pcm *dpcm = runtime->private_data;  in loopback_hw_free()
951 	struct loopback_pcm *dpcm = rule->private;  in rule_format()
966 	struct loopback_pcm *dpcm = rule->private;  in rule_rate()
982 	struct loopback_pcm *dpcm = rule->private;  in rule_channels()
998 	struct loopback_pcm *dpcm = rule->private;  in rule_period_bytes()
1027 		struct loopback_pcm *dpcm = substream->runtime->private_data;  in free_cable()
1037 static int loopback_jiffies_timer_open(struct loopback_pcm *dpcm)  in loopback_jiffies_timer_open()
1115 static int loopback_snd_timer_open(struct loopback_pcm *dpcm)  in loopback_snd_timer_open()
1207 	struct loopback_pcm *dpcm;  in loopback_open()
1307 	struct loopback_pcm *dpcm = substream->runtime->private_data;  in loopback_close()
1626 			    struct loopback_pcm *dpcm,  in print_dpcm_info()