49 static int snd_pcm_plugin_alloc(struct snd_pcm_plugin *plugin, snd_pcm_uframes_t frames)  in snd_pcm_plugin_alloc()  argument
64 	size = frames * format->channels * width;  in snd_pcm_plugin_alloc()
68 	if (plugin->buf_frames < frames) {  in snd_pcm_plugin_alloc()
71 		plugin->buf_frames = frames;  in snd_pcm_plugin_alloc()
80 			c->frames = frames;  in snd_pcm_plugin_alloc()
92 			c->frames = frames;  in snd_pcm_plugin_alloc()
104 int snd_pcm_plug_alloc(struct snd_pcm_substream *plug, snd_pcm_uframes_t frames)  in snd_pcm_plug_alloc()  argument
113 				frames = plugin->dst_frames(plugin, frames);  in snd_pcm_plug_alloc()
114 			if (snd_BUG_ON(frames <= 0))  in snd_pcm_plug_alloc()
117 			err = snd_pcm_plugin_alloc(plugin, frames);  in snd_pcm_plug_alloc()
125 				frames = plugin->src_frames(plugin, frames);  in snd_pcm_plug_alloc()
126 			if (snd_BUG_ON(frames <= 0))  in snd_pcm_plug_alloc()
129 			err = snd_pcm_plugin_alloc(plugin, frames);  in snd_pcm_plug_alloc()
139 				       snd_pcm_uframes_t frames,  in snd_pcm_plugin_client_channels()  argument
143 	return frames;  in snd_pcm_plugin_client_channels()
233 	snd_pcm_sframes_t frames;  in snd_pcm_plug_slave_size()  local
240 	frames = clt_frames;  in snd_pcm_plug_slave_size()
244 		while (plugin && frames > 0) {  in snd_pcm_plug_slave_size()
247 				frames = plugin->dst_frames(plugin, frames);  in snd_pcm_plug_slave_size()
248 				if (frames < 0)  in snd_pcm_plug_slave_size()
249 					return frames;  in snd_pcm_plug_slave_size()
258 				frames = plugin->src_frames(plugin, frames);  in snd_pcm_plug_slave_size()
259 				if (frames < 0)  in snd_pcm_plug_slave_size()
260 					return frames;  in snd_pcm_plug_slave_size()
266 	return frames;  in snd_pcm_plug_slave_size()
576 		v->frames = count;  in snd_pcm_plug_client_channels_buf()
591 	snd_pcm_sframes_t frames = size;  in snd_pcm_plug_write_transfer()  local
594 	while (plugin && frames > 0) {  in snd_pcm_plug_write_transfer()
596 			snd_pcm_sframes_t frames1 = frames;  in snd_pcm_plug_write_transfer()
598 				frames1 = plugin->dst_frames(plugin, frames);  in snd_pcm_plug_write_transfer()
603 				frames = err;  in snd_pcm_plug_write_transfer()
605 					frames = plugin->src_frames(plugin, frames1);  in snd_pcm_plug_write_transfer()
609 		pdprintf("write plugin: %s, %li\n", plugin->name, frames);  in snd_pcm_plug_write_transfer()
610 		if ((frames = plugin->transfer(plugin, src_channels, dst_channels, frames)) < 0)  in snd_pcm_plug_write_transfer()
611 			return frames;  in snd_pcm_plug_write_transfer()
615 	return snd_pcm_plug_client_size(plug, frames);  in snd_pcm_plug_write_transfer()
622 	snd_pcm_sframes_t frames = size;  in snd_pcm_plug_read_transfer()  local
625 	frames = snd_pcm_plug_slave_size(plug, frames);  in snd_pcm_plug_read_transfer()
626 	if (frames < 0)  in snd_pcm_plug_read_transfer()
627 		return frames;  in snd_pcm_plug_read_transfer()
631 	while (plugin && frames > 0) {  in snd_pcm_plug_read_transfer()
633 			if ((err = plugin->client_channels(plugin, frames, &dst_channels)) < 0) {  in snd_pcm_plug_read_transfer()
636 			frames = err;  in snd_pcm_plug_read_transfer()
640 		pdprintf("read plugin: %s, %li\n", plugin->name, frames);  in snd_pcm_plug_read_transfer()
641 		if ((frames = plugin->transfer(plugin, src_channels, dst_channels, frames)) < 0)  in snd_pcm_plug_read_transfer()
642 			return frames;  in snd_pcm_plug_read_transfer()
646 	return frames;  in snd_pcm_plug_read_transfer()