369 	struct snd_pcm_plugin_format srcformat;  in snd_pcm_plug_format_plugins()  local
382 		srcformat.format = params_format(params);  in snd_pcm_plug_format_plugins()
383 		srcformat.rate = params_rate(params);  in snd_pcm_plug_format_plugins()
384 		srcformat.channels = params_channels(params);  in snd_pcm_plug_format_plugins()
393 		srcformat.format = params_format(slave_params);  in snd_pcm_plug_format_plugins()
394 		srcformat.rate = params_rate(slave_params);  in snd_pcm_plug_format_plugins()
395 		srcformat.channels = params_channels(slave_params);  in snd_pcm_plug_format_plugins()
404 	tmpformat = srcformat;  in snd_pcm_plug_format_plugins()
407 		 srcformat.format,  in snd_pcm_plug_format_plugins()
408 		 srcformat.rate,  in snd_pcm_plug_format_plugins()
409 		 srcformat.channels);  in snd_pcm_plug_format_plugins()
416 	if (! rate_match(srcformat.rate, dstformat.rate) &&  in snd_pcm_plug_format_plugins()
417 	    ! snd_pcm_format_linear(srcformat.format)) {  in snd_pcm_plug_format_plugins()
418 		if (srcformat.format != SNDRV_PCM_FORMAT_MU_LAW)  in snd_pcm_plug_format_plugins()
422 						 &srcformat, &tmpformat,  in snd_pcm_plug_format_plugins()
431 		srcformat = tmpformat;  in snd_pcm_plug_format_plugins()
436 	if (srcformat.channels > dstformat.channels) {  in snd_pcm_plug_format_plugins()
438 		err = snd_pcm_plugin_build_route(plug, &srcformat, &tmpformat, &plugin);  in snd_pcm_plug_format_plugins()
439 …pdprintf("channels reduction: src=%i, dst=%i returns %i\n", srcformat.channels, tmpformat.channels…  in snd_pcm_plug_format_plugins()
447 		srcformat = tmpformat;  in snd_pcm_plug_format_plugins()
452 	if (!rate_match(srcformat.rate, dstformat.rate)) {  in snd_pcm_plug_format_plugins()
453 		if (srcformat.format != SNDRV_PCM_FORMAT_S16) {  in snd_pcm_plug_format_plugins()
457 							  &srcformat, &tmpformat,  in snd_pcm_plug_format_plugins()
466 			srcformat = tmpformat;  in snd_pcm_plug_format_plugins()
471         					&srcformat, &tmpformat,  in snd_pcm_plug_format_plugins()
473 …pdprintf("rate down resampling: src=%i, dst=%i returns %i\n", srcformat.rate, tmpformat.rate, err);  in snd_pcm_plug_format_plugins()
481 		srcformat = tmpformat;  in snd_pcm_plug_format_plugins()
486 	if (srcformat.format != dstformat.format) {  in snd_pcm_plug_format_plugins()
488 		if (srcformat.format == SNDRV_PCM_FORMAT_MU_LAW ||  in snd_pcm_plug_format_plugins()
491 							 &srcformat, &tmpformat,  in snd_pcm_plug_format_plugins()
494 		else if (snd_pcm_format_linear(srcformat.format) &&  in snd_pcm_plug_format_plugins()
497 							  &srcformat, &tmpformat,  in snd_pcm_plug_format_plugins()
502 		pdprintf("format change: src=%i, dst=%i returns %i\n", srcformat.format, tmpformat.format, err);  in snd_pcm_plug_format_plugins()
510 		srcformat = tmpformat;  in snd_pcm_plug_format_plugins()
515 	if (srcformat.channels < dstformat.channels) {  in snd_pcm_plug_format_plugins()
517 		err = snd_pcm_plugin_build_route(plug, &srcformat, &tmpformat, &plugin);  in snd_pcm_plug_format_plugins()
518 …pdprintf("channels extension: src=%i, dst=%i returns %i\n", srcformat.channels, tmpformat.channels…  in snd_pcm_plug_format_plugins()
526 		srcformat = tmpformat;  in snd_pcm_plug_format_plugins()
533 						&srcformat,  in snd_pcm_plug_format_plugins()