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];
140 struct loopback_pcm {  struct
170 static inline unsigned int byte_pos(struct loopback_pcm *dpcm, unsigned int x)  in byte_pos()  argument
181 static inline unsigned int frac_pos(struct loopback_pcm *dpcm, unsigned int x)  in frac_pos()
192 static inline struct loopback_setup *get_setup(struct loopback_pcm *dpcm)  in get_setup()
201 static inline unsigned int get_notify(struct loopback_pcm *dpcm)  in get_notify()
206 static inline unsigned int get_rate_shift(struct loopback_pcm *dpcm)  in get_rate_shift()
212 static int loopback_jiffies_timer_start(struct loopback_pcm *dpcm)  in loopback_jiffies_timer_start()
233 static int loopback_snd_timer_start(struct loopback_pcm *dpcm)  in loopback_snd_timer_start()
262 static inline int loopback_jiffies_timer_stop(struct loopback_pcm *dpcm)  in loopback_jiffies_timer_stop()
271 static int loopback_snd_timer_stop(struct loopback_pcm *dpcm)  in loopback_snd_timer_stop()
293 static inline int loopback_jiffies_timer_stop_sync(struct loopback_pcm *dpcm)  in loopback_jiffies_timer_stop_sync()
301 static int loopback_snd_timer_close_cable(struct loopback_pcm *dpcm)  in loopback_snd_timer_close_cable()
394 static void loopback_active_notify(struct loopback_pcm *dpcm)  in loopback_active_notify()
404 	struct loopback_pcm *dpcm = runtime->private_data;  in loopback_trigger()
461 	struct loopback_pcm *dpcm = runtime->private_data;  in params_change()
481 	struct loopback_pcm *dpcm = runtime->private_data;  in loopback_prepare()
524 static void clear_capture_buf(struct loopback_pcm *dpcm, unsigned int bytes)  in clear_capture_buf()
550 static void copy_play_buf_part_n(struct loopback_pcm *play, struct loopback_pcm *capt,  in copy_play_buf_part_n()
566 static void copy_play_buf(struct loopback_pcm *play,  in copy_play_buf()
567 			  struct loopback_pcm *capt,  in copy_play_buf()
618 static inline unsigned int bytepos_delta(struct loopback_pcm *dpcm,  in bytepos_delta()
637 static inline void bytepos_finish(struct loopback_pcm *dpcm,  in bytepos_finish()
648 	struct loopback_pcm *dpcm_play =  in loopback_jiffies_timer_pos_update()
650 	struct loopback_pcm *dpcm_capt =  in loopback_jiffies_timer_pos_update()
702 	struct loopback_pcm *dpcm = from_timer(dpcm, t, timer);  in loopback_jiffies_timer_function()
725 		struct loopback_pcm *dpcm = runtime->private_data;  in loopback_snd_timer_check_resolution()
758 	struct loopback_pcm *dpcm_play, *dpcm_capt;  in loopback_snd_timer_period_elapsed()
881 static void loopback_jiffies_timer_dpcm_info(struct loopback_pcm *dpcm,  in loopback_jiffies_timer_dpcm_info()
893 static void loopback_snd_timer_dpcm_info(struct loopback_pcm *dpcm,  in loopback_snd_timer_dpcm_info()
909 	struct loopback_pcm *dpcm = runtime->private_data;  in loopback_pointer()
950 	struct loopback_pcm *dpcm = runtime->private_data;  in loopback_runtime_free()
957 	struct loopback_pcm *dpcm = runtime->private_data;  in loopback_hw_free()
977 	struct loopback_pcm *dpcm = rule->private;  in rule_format()
992 	struct loopback_pcm *dpcm = rule->private;  in rule_rate()
1008 	struct loopback_pcm *dpcm = rule->private;  in rule_channels()
1024 	struct loopback_pcm *dpcm = rule->private;  in rule_period_bytes()
1053 		struct loopback_pcm *dpcm = substream->runtime->private_data;  in free_cable()
1063 static int loopback_jiffies_timer_open(struct loopback_pcm *dpcm)  in loopback_jiffies_timer_open()
1143 static int loopback_snd_timer_open(struct loopback_pcm *dpcm)  in loopback_snd_timer_open()
1235 	struct loopback_pcm *dpcm;  in loopback_open()
1335 	struct loopback_pcm *dpcm = substream->runtime->private_data;  in loopback_close()
1689 			    struct loopback_pcm *dpcm,  in print_dpcm_info()