567 	struct snd_pcm_runtime *runtime = substream->runtime;  in snd_pcm_oss_plugin_clear()  local
570 	plugin = runtime->oss.plugin_first;  in snd_pcm_oss_plugin_clear()
576 	runtime->oss.plugin_first = runtime->oss.plugin_last = NULL;  in snd_pcm_oss_plugin_clear()
582 	struct snd_pcm_runtime *runtime = plugin->plug->runtime;  in snd_pcm_plugin_insert()  local
583 	plugin->next = runtime->oss.plugin_first;  in snd_pcm_plugin_insert()
585 	if (runtime->oss.plugin_first) {  in snd_pcm_plugin_insert()
586 		runtime->oss.plugin_first->prev = plugin;  in snd_pcm_plugin_insert()
587 		runtime->oss.plugin_first = plugin;  in snd_pcm_plugin_insert()
589 		runtime->oss.plugin_last =  in snd_pcm_plugin_insert()
590 		runtime->oss.plugin_first = plugin;  in snd_pcm_plugin_insert()
597 	struct snd_pcm_runtime *runtime = plugin->plug->runtime;  in snd_pcm_plugin_append()  local
599 	plugin->prev = runtime->oss.plugin_last;  in snd_pcm_plugin_append()
600 	if (runtime->oss.plugin_last) {  in snd_pcm_plugin_append()
601 		runtime->oss.plugin_last->next = plugin;  in snd_pcm_plugin_append()
602 		runtime->oss.plugin_last = plugin;  in snd_pcm_plugin_append()
604 		runtime->oss.plugin_last =  in snd_pcm_plugin_append()
605 		runtime->oss.plugin_first = plugin;  in snd_pcm_plugin_append()
613 	struct snd_pcm_runtime *runtime = substream->runtime;  in snd_pcm_oss_bytes()  local
615 	long bytes = frames_to_bytes(runtime, frames);  in snd_pcm_oss_bytes()
616 	if (buffer_size == runtime->oss.buffer_bytes)  in snd_pcm_oss_bytes()
619 	return runtime->oss.buffer_bytes * bytes / buffer_size;  in snd_pcm_oss_bytes()
622 		u64 bsize = (u64)runtime->oss.buffer_bytes * (u64)bytes;  in snd_pcm_oss_bytes()
630 	struct snd_pcm_runtime *runtime = substream->runtime;  in snd_pcm_alsa_frames()  local
632 	if (buffer_size == runtime->oss.buffer_bytes)  in snd_pcm_alsa_frames()
633 		return bytes_to_frames(runtime, bytes);  in snd_pcm_alsa_frames()
634 	return bytes_to_frames(runtime, (buffer_size * bytes) / runtime->oss.buffer_bytes);  in snd_pcm_alsa_frames()
638 snd_pcm_uframes_t get_hw_ptr_period(struct snd_pcm_runtime *runtime)  in get_hw_ptr_period()  argument
640 	return runtime->hw_ptr_interrupt;  in get_hw_ptr_period()
714 	struct snd_pcm_runtime *runtime = substream->runtime;  in snd_pcm_oss_period_size()  local
724 		if (oss_buffer_size > runtime->oss.mmap_bytes)  in snd_pcm_oss_period_size()
725 			oss_buffer_size = runtime->oss.mmap_bytes;  in snd_pcm_oss_period_size()
730 	else if (runtime->oss.fragshift) {  in snd_pcm_oss_period_size()
731 		oss_period_size = 1 << runtime->oss.fragshift;  in snd_pcm_oss_period_size()
742 		if (runtime->oss.subdivision == 0) {  in snd_pcm_oss_period_size()
749 			sd = runtime->oss.subdivision;  in snd_pcm_oss_period_size()
775 	if (runtime->oss.maxfrags && s > runtime->oss.maxfrags)  in snd_pcm_oss_period_size()
776 		s = runtime->oss.maxfrags;  in snd_pcm_oss_period_size()
791 	runtime->oss.period_bytes = oss_period_size;  in snd_pcm_oss_period_size()
792 	runtime->oss.period_frames = 1;  in snd_pcm_oss_period_size()
793 	runtime->oss.periods = oss_periods;  in snd_pcm_oss_period_size()
840 	struct snd_pcm_runtime *runtime = substream->runtime;  in snd_pcm_oss_change_params()  local
853 		if (!(mutex_trylock(&runtime->oss.params_lock)))  in snd_pcm_oss_change_params()
855 	} else if (mutex_lock_interruptible(&runtime->oss.params_lock))  in snd_pcm_oss_change_params()
887 	choose_rate(substream, sparams, runtime->oss.rate);  in snd_pcm_oss_change_params()
888 …snd_pcm_hw_param_near(substream, sparams, SNDRV_PCM_HW_PARAM_CHANNELS, runtime->oss.channels, NULL…  in snd_pcm_oss_change_params()
890 	format = snd_pcm_oss_format_from(runtime->oss.format);  in snd_pcm_oss_change_params()
924 				      (__force int)snd_pcm_oss_format_from(runtime->oss.format), 0);  in snd_pcm_oss_change_params()
926 				      runtime->oss.channels, 0);  in snd_pcm_oss_change_params()
928 				      runtime->oss.rate, 0);  in snd_pcm_oss_change_params()
953 		if (runtime->oss.plugin_first) {  in snd_pcm_oss_change_params()
978 	n = snd_pcm_plug_slave_size(substream, runtime->oss.period_bytes / oss_frame_size);  in snd_pcm_oss_change_params()
984 				     runtime->oss.periods, NULL);  in snd_pcm_oss_change_params()
996 	if (runtime->oss.trigger) {  in snd_pcm_oss_change_params()
999 		sw_params->start_threshold = runtime->boundary;  in snd_pcm_oss_change_params()
1003 		sw_params->stop_threshold = runtime->boundary;  in snd_pcm_oss_change_params()
1005 		sw_params->stop_threshold = runtime->buffer_size;  in snd_pcm_oss_change_params()
1009 		1 : runtime->period_size;  in snd_pcm_oss_change_params()
1016 		frames = runtime->period_size + 16;  in snd_pcm_oss_change_params()
1017 		if (frames > runtime->buffer_size)  in snd_pcm_oss_change_params()
1018 			frames = runtime->buffer_size;  in snd_pcm_oss_change_params()
1028 	runtime->oss.periods = params_periods(sparams);  in snd_pcm_oss_change_params()
1035 	if (runtime->oss.plugin_first) {  in snd_pcm_oss_change_params()
1043 	oss_buffer_size = oss_period_size * runtime->oss.periods;  in snd_pcm_oss_change_params()
1049 	runtime->oss.period_bytes = oss_period_size;  in snd_pcm_oss_change_params()
1050 	runtime->oss.buffer_bytes = oss_buffer_size;  in snd_pcm_oss_change_params()
1053 		 runtime->oss.period_bytes,  in snd_pcm_oss_change_params()
1054 		 runtime->oss.buffer_bytes);  in snd_pcm_oss_change_params()
1059 	runtime->oss.format = snd_pcm_oss_format_to(params_format(params));  in snd_pcm_oss_change_params()
1060 	runtime->oss.channels = params_channels(params);  in snd_pcm_oss_change_params()
1061 	runtime->oss.rate = params_rate(params);  in snd_pcm_oss_change_params()
1063 	vfree(runtime->oss.buffer);  in snd_pcm_oss_change_params()
1064 	runtime->oss.buffer = vmalloc(runtime->oss.period_bytes);  in snd_pcm_oss_change_params()
1065 	if (!runtime->oss.buffer) {  in snd_pcm_oss_change_params()
1070 	runtime->oss.params = 0;  in snd_pcm_oss_change_params()
1071 	runtime->oss.prepare = 1;  in snd_pcm_oss_change_params()
1072 	runtime->oss.buffer_used = 0;  in snd_pcm_oss_change_params()
1073 	if (runtime->dma_area)  in snd_pcm_oss_change_params()
1074 …snd_pcm_format_set_silence(runtime->format, runtime->dma_area, bytes_to_samples(runtime, runtime->…  in snd_pcm_oss_change_params()
1076 	runtime->oss.period_frames = snd_pcm_alsa_frames(substream, oss_period_size);  in snd_pcm_oss_change_params()
1083 	mutex_unlock(&runtime->oss.params_lock);  in snd_pcm_oss_change_params()
1098 		if (substream->runtime->oss.params) {  in snd_pcm_oss_get_active_substream()
1114 	struct snd_pcm_runtime *runtime = substream->runtime;  in snd_pcm_oss_prepare()  local
1122 	runtime->oss.prepare = 0;  in snd_pcm_oss_prepare()
1123 	runtime->oss.prev_hw_ptr_period = 0;  in snd_pcm_oss_prepare()
1124 	runtime->oss.period_ptr = 0;  in snd_pcm_oss_prepare()
1125 	runtime->oss.buffer_used = 0;  in snd_pcm_oss_prepare()
1132 	struct snd_pcm_runtime *runtime;  in snd_pcm_oss_make_ready()  local
1137 	runtime = substream->runtime;  in snd_pcm_oss_make_ready()
1138 	if (runtime->oss.params) {  in snd_pcm_oss_make_ready()
1143 	if (runtime->oss.prepare) {  in snd_pcm_oss_make_ready()
1153 	struct snd_pcm_runtime *runtime;  in snd_pcm_oss_capture_position_fixup()  local
1161 		runtime = substream->runtime;  in snd_pcm_oss_capture_position_fixup()
1162 		if (*delay <= (snd_pcm_sframes_t)runtime->buffer_size)  in snd_pcm_oss_capture_position_fixup()
1166 		frames = (*delay - runtime->buffer_size) + runtime->period_size - 1;  in snd_pcm_oss_capture_position_fixup()
1167 		frames /= runtime->period_size;  in snd_pcm_oss_capture_position_fixup()
1168 		frames *= runtime->period_size;  in snd_pcm_oss_capture_position_fixup()
1178 	struct snd_pcm_runtime *runtime = substream->runtime;  in snd_pcm_oss_write3()  local
1181 		if (runtime->status->state == SNDRV_PCM_STATE_XRUN ||  in snd_pcm_oss_write3()
1182 		    runtime->status->state == SNDRV_PCM_STATE_SUSPENDED) {  in snd_pcm_oss_write3()
1186 				runtime->status->state == SNDRV_PCM_STATE_XRUN ?  in snd_pcm_oss_write3()
1205 		if (runtime->status->state == SNDRV_PCM_STATE_PREPARED)  in snd_pcm_oss_write3()
1213 	struct snd_pcm_runtime *runtime = substream->runtime;  in snd_pcm_oss_read3()  local
1217 		if (runtime->status->state == SNDRV_PCM_STATE_XRUN ||  in snd_pcm_oss_read3()
1218 		    runtime->status->state == SNDRV_PCM_STATE_SUSPENDED) {  in snd_pcm_oss_read3()
1222 				runtime->status->state == SNDRV_PCM_STATE_XRUN ?  in snd_pcm_oss_read3()
1228 		} else if (runtime->status->state == SNDRV_PCM_STATE_SETUP) {  in snd_pcm_oss_read3()
1245 			if (runtime->status->state == SNDRV_PCM_STATE_DRAINING) {  in snd_pcm_oss_read3()
1260 	struct snd_pcm_runtime *runtime = substream->runtime;  in snd_pcm_oss_writev3()  local
1263 		if (runtime->status->state == SNDRV_PCM_STATE_XRUN ||  in snd_pcm_oss_writev3()
1264 		    runtime->status->state == SNDRV_PCM_STATE_SUSPENDED) {  in snd_pcm_oss_writev3()
1268 				runtime->status->state == SNDRV_PCM_STATE_XRUN ?  in snd_pcm_oss_writev3()
1288 		if (runtime->status->state == SNDRV_PCM_STATE_PREPARED)  in snd_pcm_oss_writev3()
1296 	struct snd_pcm_runtime *runtime = substream->runtime;  in snd_pcm_oss_readv3()  local
1299 		if (runtime->status->state == SNDRV_PCM_STATE_XRUN ||  in snd_pcm_oss_readv3()
1300 		    runtime->status->state == SNDRV_PCM_STATE_SUSPENDED) {  in snd_pcm_oss_readv3()
1304 				runtime->status->state == SNDRV_PCM_STATE_XRUN ?  in snd_pcm_oss_readv3()
1310 		} else if (runtime->status->state == SNDRV_PCM_STATE_SETUP) {  in snd_pcm_oss_readv3()
1331 	struct snd_pcm_runtime *runtime = substream->runtime;  in snd_pcm_oss_write2()  local
1334 	if (runtime->oss.plugin_first) {  in snd_pcm_oss_write2()
1336 …size_t oss_frame_bytes = (runtime->oss.plugin_first->src_width * runtime->oss.plugin_first->src_fo…  in snd_pcm_oss_write2()
1338 			if (copy_from_user(runtime->oss.buffer, (const char __force __user *)buf, bytes))  in snd_pcm_oss_write2()
1340 			buf = runtime->oss.buffer;  in snd_pcm_oss_write2()
1353 		frames = bytes_to_frames(runtime, bytes);  in snd_pcm_oss_write2()
1357 		bytes = frames_to_bytes(runtime, frames1);  in snd_pcm_oss_write2()
1366 	struct snd_pcm_runtime *runtime = substream->runtime;  in snd_pcm_oss_write1()  local
1373 	mutex_lock(&runtime->oss.params_lock);  in snd_pcm_oss_write1()
1375 		if (bytes < runtime->oss.period_bytes || runtime->oss.buffer_used > 0) {  in snd_pcm_oss_write1()
1377 			if (tmp + runtime->oss.buffer_used > runtime->oss.period_bytes)  in snd_pcm_oss_write1()
1378 				tmp = runtime->oss.period_bytes - runtime->oss.buffer_used;  in snd_pcm_oss_write1()
1380 				if (copy_from_user(runtime->oss.buffer + runtime->oss.buffer_used, buf, tmp)) {  in snd_pcm_oss_write1()
1385 			runtime->oss.buffer_used += tmp;  in snd_pcm_oss_write1()
1390 			    runtime->oss.buffer_used == runtime->oss.period_bytes) {  in snd_pcm_oss_write1()
1391 				tmp = snd_pcm_oss_write2(substream, runtime->oss.buffer + runtime->oss.period_ptr,   in snd_pcm_oss_write1()
1392 							 runtime->oss.buffer_used - runtime->oss.period_ptr, 1);  in snd_pcm_oss_write1()
1395 				runtime->oss.bytes += tmp;  in snd_pcm_oss_write1()
1396 				runtime->oss.period_ptr += tmp;  in snd_pcm_oss_write1()
1397 				runtime->oss.period_ptr %= runtime->oss.period_bytes;  in snd_pcm_oss_write1()
1398 				if (runtime->oss.period_ptr == 0 ||  in snd_pcm_oss_write1()
1399 				    runtime->oss.period_ptr == runtime->oss.buffer_used)  in snd_pcm_oss_write1()
1400 					runtime->oss.buffer_used = 0;  in snd_pcm_oss_write1()
1409 						 runtime->oss.period_bytes, 0);  in snd_pcm_oss_write1()
1412 			runtime->oss.bytes += tmp;  in snd_pcm_oss_write1()
1417 			    tmp != runtime->oss.period_bytes)  in snd_pcm_oss_write1()
1421 	mutex_unlock(&runtime->oss.params_lock);  in snd_pcm_oss_write1()
1425 	mutex_unlock(&runtime->oss.params_lock);  in snd_pcm_oss_write1()
1431 	struct snd_pcm_runtime *runtime = substream->runtime;  in snd_pcm_oss_read2()  local
1435 	if (runtime->oss.plugin_first) {  in snd_pcm_oss_read2()
1437 …size_t oss_frame_bytes = (runtime->oss.plugin_last->dst_width * runtime->oss.plugin_last->dst_form…  in snd_pcm_oss_read2()
1439 			buf = runtime->oss.buffer;  in snd_pcm_oss_read2()
1453 		frames = bytes_to_frames(runtime, bytes);  in snd_pcm_oss_read2()
1457 		bytes = frames_to_bytes(runtime, frames1);  in snd_pcm_oss_read2()
1466 	struct snd_pcm_runtime *runtime = substream->runtime;  in snd_pcm_oss_read1()  local
1473 	mutex_lock(&runtime->oss.params_lock);  in snd_pcm_oss_read1()
1475 		if (bytes < runtime->oss.period_bytes || runtime->oss.buffer_used > 0) {  in snd_pcm_oss_read1()
1476 			if (runtime->oss.buffer_used == 0) {  in snd_pcm_oss_read1()
1477 				tmp = snd_pcm_oss_read2(substream, runtime->oss.buffer, runtime->oss.period_bytes, 1);  in snd_pcm_oss_read1()
1480 				runtime->oss.bytes += tmp;  in snd_pcm_oss_read1()
1481 				runtime->oss.period_ptr = tmp;  in snd_pcm_oss_read1()
1482 				runtime->oss.buffer_used = tmp;  in snd_pcm_oss_read1()
1485 			if ((size_t) tmp > runtime->oss.buffer_used)  in snd_pcm_oss_read1()
1486 				tmp = runtime->oss.buffer_used;  in snd_pcm_oss_read1()
1487 …if (copy_to_user(buf, runtime->oss.buffer + (runtime->oss.period_ptr - runtime->oss.buffer_used), …  in snd_pcm_oss_read1()
1494 			runtime->oss.buffer_used -= tmp;  in snd_pcm_oss_read1()
1497 						runtime->oss.period_bytes, 0);  in snd_pcm_oss_read1()
1500 			runtime->oss.bytes += tmp;  in snd_pcm_oss_read1()
1506 	mutex_unlock(&runtime->oss.params_lock);  in snd_pcm_oss_read1()
1510 	mutex_unlock(&runtime->oss.params_lock);  in snd_pcm_oss_read1()
1517 	struct snd_pcm_runtime *runtime;  in snd_pcm_oss_reset()  local
1524 		runtime = substream->runtime;  in snd_pcm_oss_reset()
1526 		runtime->oss.prepare = 1;  in snd_pcm_oss_reset()
1527 		runtime->oss.buffer_used = 0;  in snd_pcm_oss_reset()
1528 		runtime->oss.prev_hw_ptr_period = 0;  in snd_pcm_oss_reset()
1529 		runtime->oss.period_ptr = 0;  in snd_pcm_oss_reset()
1552 	struct snd_pcm_runtime *runtime;  in snd_pcm_oss_sync1()  local
1558 	runtime = substream->runtime;  in snd_pcm_oss_sync1()
1560 	add_wait_queue(&runtime->sleep, &wait);  in snd_pcm_oss_sync1()
1565 		result = snd_pcm_oss_write2(substream, runtime->oss.buffer, size, 1);  in snd_pcm_oss_sync1()
1567 			runtime->oss.buffer_used = 0;  in snd_pcm_oss_sync1()
1576 		state = runtime->status->state;  in snd_pcm_oss_sync1()
1594 	remove_wait_queue(&runtime->sleep, &wait);  in snd_pcm_oss_sync1()
1603 	struct snd_pcm_runtime *runtime;  in snd_pcm_oss_sync()  local
1610 		runtime = substream->runtime;  in snd_pcm_oss_sync()
1615 		format = snd_pcm_oss_format_from(runtime->oss.format);  in snd_pcm_oss_sync()
1617 		mutex_lock(&runtime->oss.params_lock);  in snd_pcm_oss_sync()
1618 		if (runtime->oss.buffer_used > 0) {  in snd_pcm_oss_sync()
1622 			size = (8 * (runtime->oss.period_bytes - runtime->oss.buffer_used) + 7) / width;  in snd_pcm_oss_sync()
1624 						   runtime->oss.buffer + runtime->oss.buffer_used,  in snd_pcm_oss_sync()
1626 			err = snd_pcm_oss_sync1(substream, runtime->oss.period_bytes);  in snd_pcm_oss_sync()
1628 				mutex_unlock(&runtime->oss.params_lock);  in snd_pcm_oss_sync()
1631 		} else if (runtime->oss.period_ptr > 0) {  in snd_pcm_oss_sync()
1635 			size = runtime->oss.period_bytes - runtime->oss.period_ptr;  in snd_pcm_oss_sync()
1637 						   runtime->oss.buffer,  in snd_pcm_oss_sync()
1641 				mutex_unlock(&runtime->oss.params_lock);  in snd_pcm_oss_sync()
1649 		size = runtime->control->appl_ptr % runtime->period_size;  in snd_pcm_oss_sync()
1651 			size = runtime->period_size - size;  in snd_pcm_oss_sync()
1652 			if (runtime->access == SNDRV_PCM_ACCESS_RW_INTERLEAVED) {  in snd_pcm_oss_sync()
1653 				size = (runtime->frame_bits * size) / 8;  in snd_pcm_oss_sync()
1656 					size_t size1 = size < runtime->oss.period_bytes ? size : runtime->oss.period_bytes;  in snd_pcm_oss_sync()
1659 					size1 /= runtime->sample_bits;  in snd_pcm_oss_sync()
1660 					snd_pcm_format_set_silence(runtime->format,  in snd_pcm_oss_sync()
1661 								   runtime->oss.buffer,  in snd_pcm_oss_sync()
1663 					size1 /= runtime->channels; /* frames */  in snd_pcm_oss_sync()
1665 					snd_pcm_lib_write(substream, (void __force __user *)runtime->oss.buffer, size1);  in snd_pcm_oss_sync()
1668 			} else if (runtime->access == SNDRV_PCM_ACCESS_RW_NONINTERLEAVED) {  in snd_pcm_oss_sync()
1669 				void __user *buffers[runtime->channels];  in snd_pcm_oss_sync()
1670 				memset(buffers, 0, runtime->channels * sizeof(void *));  in snd_pcm_oss_sync()
1674 		mutex_unlock(&runtime->oss.params_lock);  in snd_pcm_oss_sync()
1685 		runtime->oss.prepare = 1;  in snd_pcm_oss_sync()
1692 		runtime = substream->runtime;  in snd_pcm_oss_sync()
1696 		runtime->oss.buffer_used = 0;  in snd_pcm_oss_sync()
1697 		runtime->oss.prepare = 1;  in snd_pcm_oss_sync()
1708 		struct snd_pcm_runtime *runtime;  in snd_pcm_oss_set_rate()  local
1711 		runtime = substream->runtime;  in snd_pcm_oss_set_rate()
1716 		if (runtime->oss.rate != rate) {  in snd_pcm_oss_set_rate()
1717 			runtime->oss.params = 1;  in snd_pcm_oss_set_rate()
1718 			runtime->oss.rate = rate;  in snd_pcm_oss_set_rate()
1731 	return substream->runtime->oss.rate;  in snd_pcm_oss_get_rate()
1743 		struct snd_pcm_runtime *runtime;  in snd_pcm_oss_set_channels()  local
1746 		runtime = substream->runtime;  in snd_pcm_oss_set_channels()
1747 		if (runtime->oss.channels != channels) {  in snd_pcm_oss_set_channels()
1748 			runtime->oss.params = 1;  in snd_pcm_oss_set_channels()
1749 			runtime->oss.channels = channels;  in snd_pcm_oss_set_channels()
1762 	return substream->runtime->oss.channels;  in snd_pcm_oss_get_channels()
1772 	return substream->runtime->oss.period_bytes;  in snd_pcm_oss_get_block_size()
1830 			struct snd_pcm_runtime *runtime;  in snd_pcm_oss_set_format()  local
1833 			runtime = substream->runtime;  in snd_pcm_oss_set_format()
1834 			if (runtime->oss.format != format) {  in snd_pcm_oss_set_format()
1835 				runtime->oss.params = 1;  in snd_pcm_oss_set_format()
1836 				runtime->oss.format = format;  in snd_pcm_oss_set_format()
1850 	return substream->runtime->oss.format;  in snd_pcm_oss_get_format()
1855 	struct snd_pcm_runtime *runtime;  in snd_pcm_oss_set_subdivide1()  local
1859 	runtime = substream->runtime;  in snd_pcm_oss_set_subdivide1()
1861 		subdivide = runtime->oss.subdivision;  in snd_pcm_oss_set_subdivide1()
1866 	if (runtime->oss.subdivision || runtime->oss.fragshift)  in snd_pcm_oss_set_subdivide1()
1871 	runtime->oss.subdivision = subdivide;  in snd_pcm_oss_set_subdivide1()
1872 	runtime->oss.params = 1;  in snd_pcm_oss_set_subdivide1()
1892 	struct snd_pcm_runtime *runtime;  in snd_pcm_oss_set_fragment1()  local
1896 	runtime = substream->runtime;  in snd_pcm_oss_set_fragment1()
1897 	if (runtime->oss.subdivision || runtime->oss.fragshift)  in snd_pcm_oss_set_fragment1()
1899 	runtime->oss.fragshift = val & 0xffff;  in snd_pcm_oss_set_fragment1()
1900 	runtime->oss.maxfrags = (val >> 16) & 0xffff;  in snd_pcm_oss_set_fragment1()
1901 	if (runtime->oss.fragshift < 4)		/* < 16 */  in snd_pcm_oss_set_fragment1()
1902 		runtime->oss.fragshift = 4;  in snd_pcm_oss_set_fragment1()
1903 	if (runtime->oss.maxfrags < 2)  in snd_pcm_oss_set_fragment1()
1904 		runtime->oss.maxfrags = 2;  in snd_pcm_oss_set_fragment1()
1905 	runtime->oss.params = 1;  in snd_pcm_oss_set_fragment1()
1947 		struct snd_pcm_runtime *runtime = substream->runtime;  in snd_pcm_oss_get_caps1()  local
1948 		if (runtime->info & (SNDRV_PCM_INFO_BLOCK_TRANSFER|SNDRV_PCM_INFO_BATCH))  in snd_pcm_oss_get_caps1()
1971 	struct snd_pcm_runtime *runtime = substream->runtime;  in snd_pcm_oss_simulate_fill()  local
1973 	appl_ptr = hw_ptr + runtime->buffer_size;  in snd_pcm_oss_simulate_fill()
1974 	appl_ptr %= runtime->boundary;  in snd_pcm_oss_simulate_fill()
1975 	runtime->control->appl_ptr = appl_ptr;  in snd_pcm_oss_simulate_fill()
1980 	struct snd_pcm_runtime *runtime;  in snd_pcm_oss_set_trigger()  local
2000       		runtime = psubstream->runtime;  in snd_pcm_oss_set_trigger()
2002 			if (runtime->oss.trigger)  in snd_pcm_oss_set_trigger()
2006 						get_hw_ptr_period(runtime));  in snd_pcm_oss_set_trigger()
2007 			runtime->oss.trigger = 1;  in snd_pcm_oss_set_trigger()
2008 			runtime->start_threshold = 1;  in snd_pcm_oss_set_trigger()
2011 			if (!runtime->oss.trigger)  in snd_pcm_oss_set_trigger()
2013 			runtime->oss.trigger = 0;  in snd_pcm_oss_set_trigger()
2014 			runtime->start_threshold = runtime->boundary;  in snd_pcm_oss_set_trigger()
2016 			runtime->oss.prepare = 1;  in snd_pcm_oss_set_trigger()
2024       		runtime = csubstream->runtime;  in snd_pcm_oss_set_trigger()
2026 			if (runtime->oss.trigger)  in snd_pcm_oss_set_trigger()
2028 			runtime->oss.trigger = 1;  in snd_pcm_oss_set_trigger()
2029 			runtime->start_threshold = 1;  in snd_pcm_oss_set_trigger()
2032 			if (!runtime->oss.trigger)  in snd_pcm_oss_set_trigger()
2034 			runtime->oss.trigger = 0;  in snd_pcm_oss_set_trigger()
2035 			runtime->start_threshold = runtime->boundary;  in snd_pcm_oss_set_trigger()
2037 			runtime->oss.prepare = 1;  in snd_pcm_oss_set_trigger()
2054 	if (psubstream && psubstream->runtime && psubstream->runtime->oss.trigger)  in snd_pcm_oss_get_trigger()
2056 	if (csubstream && csubstream->runtime && csubstream->runtime->oss.trigger)  in snd_pcm_oss_get_trigger()
2064 	struct snd_pcm_runtime *runtime;  in snd_pcm_oss_get_odelay()  local
2073 	runtime = substream->runtime;  in snd_pcm_oss_get_odelay()
2074 	if (runtime->oss.params || runtime->oss.prepare)  in snd_pcm_oss_get_odelay()
2087 	struct snd_pcm_runtime *runtime;  in snd_pcm_oss_get_ptr()  local
2100 	runtime = substream->runtime;  in snd_pcm_oss_get_ptr()
2101 	if (runtime->oss.params || runtime->oss.prepare) {  in snd_pcm_oss_get_ptr()
2114 			fixup = runtime->oss.buffer_used;  in snd_pcm_oss_get_ptr()
2118 		fixup = -runtime->oss.buffer_used;  in snd_pcm_oss_get_ptr()
2122 	info.ptr = snd_pcm_oss_bytes(substream, runtime->status->hw_ptr % runtime->buffer_size);  in snd_pcm_oss_get_ptr()
2125 		delay = get_hw_ptr_period(runtime);  in snd_pcm_oss_get_ptr()
2126 		n = delay - runtime->oss.prev_hw_ptr_period;  in snd_pcm_oss_get_ptr()
2128 			n += runtime->boundary;  in snd_pcm_oss_get_ptr()
2129 		info.blocks = n / runtime->period_size;  in snd_pcm_oss_get_ptr()
2130 		runtime->oss.prev_hw_ptr_period = delay;  in snd_pcm_oss_get_ptr()
2133 		info.bytes = snd_pcm_oss_bytes(substream, runtime->status->hw_ptr) & INT_MAX;  in snd_pcm_oss_get_ptr()
2138 				info.blocks = (runtime->oss.buffer_bytes - delay - fixup) / runtime->oss.period_bytes;  in snd_pcm_oss_get_ptr()
2140 				info.blocks = (delay + fixup) / runtime->oss.period_bytes;  in snd_pcm_oss_get_ptr()
2141 			info.bytes = (runtime->oss.bytes - delay) & INT_MAX;  in snd_pcm_oss_get_ptr()
2144 			info.blocks = delay / runtime->oss.period_bytes;  in snd_pcm_oss_get_ptr()
2145 			info.bytes = (runtime->oss.bytes + delay) & INT_MAX;  in snd_pcm_oss_get_ptr()
2156 	struct snd_pcm_runtime *runtime;  in snd_pcm_oss_get_space()  local
2167 	runtime = substream->runtime;  in snd_pcm_oss_get_space()
2169 	if (runtime->oss.params &&  in snd_pcm_oss_get_space()
2173 	info.fragsize = runtime->oss.period_bytes;  in snd_pcm_oss_get_space()
2174 	info.fragstotal = runtime->periods;  in snd_pcm_oss_get_space()
2175 	if (runtime->oss.prepare) {  in snd_pcm_oss_get_space()
2177 			info.bytes = runtime->oss.period_bytes * runtime->oss.periods;  in snd_pcm_oss_get_space()
2178 			info.fragments = runtime->oss.periods;  in snd_pcm_oss_get_space()
2187 				avail = runtime->buffer_size;  in snd_pcm_oss_get_space()
2191 				avail = runtime->buffer_size - avail;  in snd_pcm_oss_get_space()
2192 				fixup = -runtime->oss.buffer_used;  in snd_pcm_oss_get_space()
2196 			fixup = runtime->oss.buffer_used;  in snd_pcm_oss_get_space()
2201 		info.fragments = info.bytes / runtime->oss.period_bytes;  in snd_pcm_oss_get_space()
2253 	struct snd_pcm_runtime *runtime;  in snd_pcm_oss_release_substream()  local
2254 	runtime = substream->runtime;  in snd_pcm_oss_release_substream()
2255 	vfree(runtime->oss.buffer);  in snd_pcm_oss_release_substream()
2256 	runtime->oss.buffer = NULL;  in snd_pcm_oss_release_substream()
2267 	struct snd_pcm_runtime *runtime;  in snd_pcm_oss_init_substream()  local
2275 	runtime = substream->runtime;  in snd_pcm_oss_init_substream()
2276 	runtime->oss.params = 1;  in snd_pcm_oss_init_substream()
2277 	runtime->oss.trigger = 1;  in snd_pcm_oss_init_substream()
2278 	runtime->oss.rate = 8000;  in snd_pcm_oss_init_substream()
2279 	mutex_init(&runtime->oss.params_lock);  in snd_pcm_oss_init_substream()
2282 		runtime->oss.format = AFMT_U8;  in snd_pcm_oss_init_substream()
2285 		runtime->oss.format = AFMT_S16_LE;  in snd_pcm_oss_init_substream()
2288 		runtime->oss.format = AFMT_MU_LAW;  in snd_pcm_oss_init_substream()
2290 	runtime->oss.channels = 1;  in snd_pcm_oss_init_substream()
2291 	runtime->oss.fragshift = 0;  in snd_pcm_oss_init_substream()
2292 	runtime->oss.maxfrags = 0;  in snd_pcm_oss_init_substream()
2293 	runtime->oss.subdivision = 0;  in snd_pcm_oss_init_substream()
2704 	struct snd_pcm_runtime *runtime = substream->runtime;  in snd_pcm_oss_playback_ready()  local
2706 		return runtime->oss.prev_hw_ptr_period !=  in snd_pcm_oss_playback_ready()
2707 						get_hw_ptr_period(runtime);  in snd_pcm_oss_playback_ready()
2709 		return snd_pcm_playback_avail(runtime) >=  in snd_pcm_oss_playback_ready()
2710 						runtime->oss.period_frames;  in snd_pcm_oss_playback_ready()
2715 	struct snd_pcm_runtime *runtime = substream->runtime;  in snd_pcm_oss_capture_ready()  local
2717 		return runtime->oss.prev_hw_ptr_period !=  in snd_pcm_oss_capture_ready()
2718 						get_hw_ptr_period(runtime);  in snd_pcm_oss_capture_ready()
2720 		return snd_pcm_capture_avail(runtime) >=  in snd_pcm_oss_capture_ready()
2721 						runtime->oss.period_frames;  in snd_pcm_oss_capture_ready()
2737 		struct snd_pcm_runtime *runtime = psubstream->runtime;  in snd_pcm_oss_poll()  local
2738 		poll_wait(file, &runtime->sleep, wait);  in snd_pcm_oss_poll()
2740 		if (runtime->status->state != SNDRV_PCM_STATE_DRAINING &&  in snd_pcm_oss_poll()
2741 		    (runtime->status->state != SNDRV_PCM_STATE_RUNNING ||  in snd_pcm_oss_poll()
2747 		struct snd_pcm_runtime *runtime = csubstream->runtime;  in snd_pcm_oss_poll()  local
2749 		poll_wait(file, &runtime->sleep, wait);  in snd_pcm_oss_poll()
2751 		if ((ostate = runtime->status->state) != SNDRV_PCM_STATE_RUNNING ||  in snd_pcm_oss_poll()
2755 		if (ostate != SNDRV_PCM_STATE_RUNNING && runtime->oss.trigger) {  in snd_pcm_oss_poll()
2759 			runtime->oss.trigger = 0;  in snd_pcm_oss_poll()
2771 	struct snd_pcm_runtime *runtime;  in snd_pcm_oss_mmap()  local
2798 	runtime = substream->runtime;  in snd_pcm_oss_mmap()
2799 	if (!(runtime->info & SNDRV_PCM_INFO_MMAP_VALID))  in snd_pcm_oss_mmap()
2801 	if (runtime->info & SNDRV_PCM_INFO_INTERLEAVED)  in snd_pcm_oss_mmap()
2802 		runtime->access = SNDRV_PCM_ACCESS_MMAP_INTERLEAVED;  in snd_pcm_oss_mmap()
2806 	if (runtime->oss.params) {  in snd_pcm_oss_mmap()
2816 	if (runtime->oss.plugin_first != NULL)  in snd_pcm_oss_mmap()
2826 	runtime->oss.mmap_bytes = area->vm_end - area->vm_start;  in snd_pcm_oss_mmap()
2827 	runtime->silence_threshold = 0;  in snd_pcm_oss_mmap()
2828 	runtime->silence_size = 0;  in snd_pcm_oss_mmap()
2831 	       runtime->oss.mmap_bytes);  in snd_pcm_oss_mmap()
2834 	runtime->stop_threshold = runtime->boundary;  in snd_pcm_oss_mmap()