osd_cap_t
return av7110_osd_capability(av7110, (osd_cap_t *)parg);
int av7110_osd_capability(struct av7110 *av7110, osd_cap_t *cap)
int av7110_osd_capability(struct av7110 *av7110, osd_cap_t *cap);
#define OSD_GET_CAPABILITY _IOR('o', 161, osd_cap_t)