static int hw_dev_close(struct sr_dev_inst *sdi);
static int hw_dev_config_set(const struct sr_dev_inst *sdi, int hwcap,
const void *value);
static int hw_dev_close(struct sr_dev_inst *sdi);
static int hw_dev_config_set(const struct sr_dev_inst *sdi, int hwcap,
const void *value);