- /* If sdi is NULL, nothing except SR_CONF_DEVICE_OPTIONS can be provided. */
- if (key == SR_CONF_DEVICE_OPTIONS && !sdi) {
- *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
- drvopts, ARRAY_SIZE(drvopts), sizeof(uint32_t));
- return SR_OK;
- }
-
- /* Every other option requires a valid device instance. */
- if (!sdi)
- return SR_ERR_ARG;
- devc = sdi->priv;
-
- /* If a channel group is specified, it must be a valid one. */
- if (cg && !g_slist_find(sdi->channel_groups, cg)) {
- sr_err("Invalid channel group specified.");
- return SR_ERR;
- }