+static int config_list(int key, GVariant **data, const struct sr_dev_inst *sdi)
+{
+ struct dev_context *devc;
+ GVariant *gvar;
+ GVariantBuilder gvb;
+ int i;
+
+ switch (key) {
+ case SR_CONF_DEVICE_OPTIONS:
+ *data = g_variant_new_fixed_array(G_VARIANT_TYPE_INT32,
+ hwcaps, ARRAY_SIZE(hwcaps), sizeof(int32_t));
+ break;
+ case SR_CONF_SAMPLERATE:
+ if (!sdi || !sdi->priv)
+ return SR_ERR_ARG;
+ devc = sdi->priv;
+ if (!devc->samplerates) {
+ sr_err("Instance did not contain a samplerate list.");
+ return SR_ERR_ARG;
+ }
+ for (i = 0; devc->samplerates[i]; i++)
+ ;
+ g_variant_builder_init(&gvb, G_VARIANT_TYPE("a{sv}"));
+ gvar = g_variant_new_fixed_array(G_VARIANT_TYPE("t"),
+ devc->samplerates, i, sizeof(uint64_t));
+ g_variant_builder_add(&gvb, "{sv}", "samplerates", gvar);
+ *data = g_variant_builder_end(&gvb);
+ break;
+ default:
+ return SR_ERR_NA;
+ }
+
+ return SR_OK;
+}
+
+static int dev_acquisition_start(const struct sr_dev_inst *sdi, void *cb_data)