snd_sb_csp_info 100 include/sound/sb16_csp.h #define SNDRV_SB_CSP_IOCTL_INFO _IOR('H', 0x10, struct snd_sb_csp_info) snd_sb_csp_info 197 sound/isa/sb/sb16_csp.c struct snd_sb_csp_info info;