playback_b_substream 107 sound/isa/es18xx.c struct snd_pcm_substream *playback_b_substream; playback_b_substream 764 sound/isa/es18xx.c snd_pcm_period_elapsed(chip->playback_b_substream); playback_b_substream 880 sound/isa/es18xx.c chip->playback_b_substream = substream; playback_b_substream 896 sound/isa/es18xx.c if (chip->playback_b_substream) playback_b_substream 916 sound/isa/es18xx.c chip->playback_b_substream = NULL;