- tmp_u64 = g_variant_get_uint64(data);
- if (tmp_u64 != SLOPE_NEGATIVE && tmp_u64 != SLOPE_POSITIVE)
- ret = SR_ERR_ARG;
- devc->triggerslope = tmp_u64;
+ tmp_str = g_variant_get_string(data, NULL);
+ if (!tmp_str || !(tmp_str[0] == 'f' || tmp_str[0] == 'r'))
+ return SR_ERR_ARG;
+ devc->triggerslope = (tmp_str[0] == 'r')
+ ? SLOPE_POSITIVE : SLOPE_NEGATIVE;