- }
- tmp_str = g_variant_get_string(data, NULL);
- for (i = 0; i < devc->model->analog_channels; i++) {
- if (cg == devc->analog_groups[i]) {
- for (j = 0; j < ARRAY_SIZE(coupling); j++) {
- if (!strcmp(tmp_str, coupling[j])) {
- g_free(devc->coupling[i]);
- devc->coupling[i] = g_strdup(coupling[j]);
- return rigol_ds_config_set(sdi, ":CHAN%d:COUP %s", i + 1,
- devc->coupling[i]);
- }
- }
- sr_err("Invalid coupling index: %d.", j);
- return SR_ERR_ARG;
- }
- }
- sr_dbg("Didn't set coupling, unknown channel(group).");
- return SR_ERR_NA;
+ if ((i = std_cg_idx(cg, devc->analog_groups, devc->model->analog_channels)) < 0)
+ return SR_ERR_ARG;
+ if ((idx = std_str_idx(data, ARRAY_AND_SIZE(coupling))) < 0)
+ return SR_ERR_ARG;
+ g_free(devc->coupling[i]);
+ devc->coupling[i] = g_strdup(coupling[idx]);
+ return rigol_ds_config_set(sdi, ":CHAN%d:COUP %s", i + 1, devc->coupling[i]);
+ case SR_CONF_PROBE_FACTOR:
+ if (!cg)
+ return SR_ERR_CHANNEL_GROUP;
+ if ((i = std_cg_idx(cg, devc->analog_groups, devc->model->analog_channels)) < 0)
+ return SR_ERR_ARG;
+ if ((idx = std_u64_idx(data, ARRAY_AND_SIZE(probe_factor))) < 0)
+ return SR_ERR_ARG;
+ p = g_variant_get_uint64(data);
+ devc->attenuation[i] = probe_factor[idx];
+ ret = rigol_ds_config_set(sdi, ":CHAN%d:PROB %"PRIu64, i + 1, p);
+ if (ret == SR_OK)
+ rigol_ds_get_dev_cfg_vertical(sdi);
+ return ret;