snd_sb16_csp_playback_open 151 sound/isa/sb/sb16_main.c static void snd_sb16_csp_playback_open(struct snd_sb *chip, struct snd_pcm_runtime *runtime) snd_sb16_csp_playback_open 216 sound/isa/sb/sb16_main.c #define snd_sb16_csp_playback_open(chip, runtime) /*nop*/