37 static snd_pcm_sframes_t io_playback_transfer(struct snd_pcm_plugin *plugin,  in io_playback_transfer()  argument
42 	if (snd_BUG_ON(!plugin))  in io_playback_transfer()
46 	if (plugin->access == SNDRV_PCM_ACCESS_RW_INTERLEAVED) {  in io_playback_transfer()
47 		return pcm_write(plugin->plug, src_channels->area.addr, frames);  in io_playback_transfer()
49 		int channel, channels = plugin->dst_format.channels;  in io_playback_transfer()
50 		void **bufs = (void**)plugin->extra_data;  in io_playback_transfer()
59 		return pcm_writev(plugin->plug, bufs, frames);  in io_playback_transfer()
63 static snd_pcm_sframes_t io_capture_transfer(struct snd_pcm_plugin *plugin,  in io_capture_transfer()  argument
68 	if (snd_BUG_ON(!plugin))  in io_capture_transfer()
72 	if (plugin->access == SNDRV_PCM_ACCESS_RW_INTERLEAVED) {  in io_capture_transfer()
73 		return pcm_read(plugin->plug, dst_channels->area.addr, frames);  in io_capture_transfer()
75 		int channel, channels = plugin->dst_format.channels;  in io_capture_transfer()
76 		void **bufs = (void**)plugin->extra_data;  in io_capture_transfer()
85 		return pcm_readv(plugin->plug, bufs, frames);  in io_capture_transfer()
90 static snd_pcm_sframes_t io_src_channels(struct snd_pcm_plugin *plugin,  in io_src_channels()  argument
97 	err = snd_pcm_plugin_client_channels(plugin, frames, &v);  in io_src_channels()
101 	if (plugin->access == SNDRV_PCM_ACCESS_RW_INTERLEAVED) {  in io_src_channels()
102 		for (channel = 0; channel < plugin->src_format.channels; ++channel, ++v)  in io_src_channels()
114 	struct snd_pcm_plugin *plugin;  in snd_pcm_plugin_build_io()  local
127 				   &plugin);  in snd_pcm_plugin_build_io()
130 	plugin->access = params_access(params);  in snd_pcm_plugin_build_io()
132 		plugin->transfer = io_playback_transfer;  in snd_pcm_plugin_build_io()
133 		if (plugin->access == SNDRV_PCM_ACCESS_RW_INTERLEAVED)  in snd_pcm_plugin_build_io()
134 			plugin->client_channels = io_src_channels;  in snd_pcm_plugin_build_io()
136 		plugin->transfer = io_capture_transfer;  in snd_pcm_plugin_build_io()
139 	*r_plugin = plugin;  in snd_pcm_plugin_build_io()