94 	struct snd_compr_runtime *runtime;  in snd_compr_open()  local
135 	runtime = kzalloc(sizeof(*runtime), GFP_KERNEL);  in snd_compr_open()
136 	if (!runtime) {  in snd_compr_open()
141 	runtime->state = SNDRV_PCM_STATE_OPEN;  in snd_compr_open()
142 	init_waitqueue_head(&runtime->sleep);  in snd_compr_open()
143 	data->stream.runtime = runtime;  in snd_compr_open()
149 		kfree(runtime);  in snd_compr_open()
159 	struct snd_compr_runtime *runtime = data->stream.runtime;  in snd_compr_free()  local
163 	switch (runtime->state) {  in snd_compr_free()
174 	kfree(data->stream.runtime->buffer);  in snd_compr_free()
175 	kfree(data->stream.runtime);  in snd_compr_free()
189 		stream->runtime->total_bytes_transferred = tstamp->copied_total;  in snd_compr_update_tstamp()
191 		stream->runtime->total_bytes_available = tstamp->copied_total;  in snd_compr_update_tstamp()
202 	if (stream->runtime->total_bytes_available == 0 &&  in snd_compr_calc_avail()
203 			stream->runtime->state == SNDRV_PCM_STATE_SETUP &&  in snd_compr_calc_avail()
206 		return stream->runtime->buffer_size;  in snd_compr_calc_avail()
209 			stream->runtime->total_bytes_available,  in snd_compr_calc_avail()
210 			stream->runtime->total_bytes_transferred);  in snd_compr_calc_avail()
211 	if (stream->runtime->total_bytes_available ==  in snd_compr_calc_avail()
212 				stream->runtime->total_bytes_transferred) {  in snd_compr_calc_avail()
215 			return stream->runtime->buffer_size;  in snd_compr_calc_avail()
222 	avail->avail = stream->runtime->total_bytes_available -  in snd_compr_calc_avail()
223 			stream->runtime->total_bytes_transferred;  in snd_compr_calc_avail()
225 		avail->avail = stream->runtime->buffer_size - avail->avail;  in snd_compr_calc_avail()
247 	switch (stream->runtime->state) {  in snd_compr_ioctl_avail()
267 	struct snd_compr_runtime *runtime = stream->runtime;  in snd_compr_write_data()  local
269 	u64 app_pointer = div64_u64(runtime->total_bytes_available,  in snd_compr_write_data()
270 				    runtime->buffer_size);  in snd_compr_write_data()
271 	app_pointer = runtime->total_bytes_available -  in snd_compr_write_data()
272 		      (app_pointer * runtime->buffer_size);  in snd_compr_write_data()
274 	dstn = runtime->buffer + app_pointer;  in snd_compr_write_data()
277 	if (count < runtime->buffer_size - app_pointer) {  in snd_compr_write_data()
281 		copy = runtime->buffer_size - app_pointer;  in snd_compr_write_data()
284 		if (copy_from_user(runtime->buffer, buf + copy, count - copy))  in snd_compr_write_data()
307 	switch (stream->runtime->state) {  in snd_compr_write()
330 		stream->runtime->total_bytes_available += retval;  in snd_compr_write()
334 	if (stream->runtime->state == SNDRV_PCM_STATE_SETUP) {  in snd_compr_write()
335 		stream->runtime->state = SNDRV_PCM_STATE_PREPARED;  in snd_compr_write()
362 	switch (stream->runtime->state) {  in snd_compr_read()
387 		stream->runtime->total_bytes_transferred += retval;  in snd_compr_read()
421 	switch (stream->runtime->state) {  in snd_compr_poll()
430 	poll_wait(f, &stream->runtime->sleep, wait);  in snd_compr_poll()
435 	switch (stream->runtime->state) {  in snd_compr_poll()
441 		stream->runtime->state = SNDRV_PCM_STATE_SETUP;  in snd_compr_poll()
446 		if (avail >= stream->runtime->fragment_size)  in snd_compr_poll()
521 	stream->runtime->fragment_size = params->buffer.fragment_size;  in snd_compr_allocate_buffer()
522 	stream->runtime->fragments = params->buffer.fragments;  in snd_compr_allocate_buffer()
523 	stream->runtime->buffer = buffer;  in snd_compr_allocate_buffer()
524 	stream->runtime->buffer_size = buffer_size;  in snd_compr_allocate_buffer()
551 	if (stream->runtime->state == SNDRV_PCM_STATE_OPEN) {  in snd_compr_set_params()
578 			stream->runtime->state = SNDRV_PCM_STATE_SETUP;  in snd_compr_set_params()
580 			stream->runtime->state = SNDRV_PCM_STATE_PREPARED;  in snd_compr_set_params()
672 	if (stream->runtime->state != SNDRV_PCM_STATE_RUNNING)  in snd_compr_pause()
676 		stream->runtime->state = SNDRV_PCM_STATE_PAUSED;  in snd_compr_pause()
684 	if (stream->runtime->state != SNDRV_PCM_STATE_PAUSED)  in snd_compr_resume()
688 		stream->runtime->state = SNDRV_PCM_STATE_RUNNING;  in snd_compr_resume()
696 	if (stream->runtime->state != SNDRV_PCM_STATE_PREPARED)  in snd_compr_start()
700 		stream->runtime->state = SNDRV_PCM_STATE_RUNNING;  in snd_compr_start()
708 	if (stream->runtime->state == SNDRV_PCM_STATE_PREPARED ||  in snd_compr_stop()
709 			stream->runtime->state == SNDRV_PCM_STATE_SETUP)  in snd_compr_stop()
714 		stream->runtime->total_bytes_available = 0;  in snd_compr_stop()
715 		stream->runtime->total_bytes_transferred = 0;  in snd_compr_stop()
729 	wake_up(&stream->runtime->sleep);  in error_delayed_work()
746 	if (stream->runtime->state == state)  in snd_compr_stop_error()
749 	stream->runtime->state = state;  in snd_compr_stop_error()
771 	stream->runtime->state = SNDRV_PCM_STATE_DRAINING;  in snd_compress_wait_for_drain()
780 	ret = wait_event_interruptible(stream->runtime->sleep,  in snd_compress_wait_for_drain()
781 			(stream->runtime->state != SNDRV_PCM_STATE_DRAINING));  in snd_compress_wait_for_drain()
788 	wake_up(&stream->runtime->sleep);  in snd_compress_wait_for_drain()
798 	if (stream->runtime->state == SNDRV_PCM_STATE_PREPARED ||  in snd_compr_drain()
799 			stream->runtime->state == SNDRV_PCM_STATE_SETUP)  in snd_compr_drain()
805 		wake_up(&stream->runtime->sleep);  in snd_compr_drain()
817 	if (stream->runtime->state != SNDRV_PCM_STATE_RUNNING)  in snd_compr_next_track()
837 	if (stream->runtime->state == SNDRV_PCM_STATE_PREPARED ||  in snd_compr_partial_drain()
838 			stream->runtime->state == SNDRV_PCM_STATE_SETUP)  in snd_compr_partial_drain()
847 		wake_up(&stream->runtime->sleep);  in snd_compr_partial_drain()