output: Use sr_config_get() wrapper

[libsigrok.git] / output / vcd.c

diff --git a/output/vcd.c b/output/vcd.c
index 6e13d7046b17655c4db9251a5a15cb3e5f64a574..d89284927602a55d7a3e87beb5753b0d02e0cf07 100644 (file)
--- a/output/vcd.c
+++ b/output/vcd.c
@@ -95,19 +95,18 @@ static int init(struct sr_output *o)
        g_string_append_printf(ctx->header, "$version %s %s $end\n",
                        PACKAGE, PACKAGE_VERSION);
 
-       if (o->sdi->driver && sr_dev_has_option(o->sdi, SR_CONF_SAMPLERATE)) {
-               o->sdi->driver->config_get(SR_CONF_SAMPLERATE, &gvar, o->sdi);
+       if (sr_config_get(o->sdi->driver, SR_CONF_SAMPLERATE, &gvar,
+                       o->sdi) == SR_OK) {
                ctx->samplerate = g_variant_get_uint64(gvar);
+               g_variant_unref(gvar);
                if (!((samplerate_s = sr_samplerate_string(ctx->samplerate)))) {
                        g_string_free(ctx->header, TRUE);
                        g_free(ctx);
-                       g_variant_unref(gvar);
                        return SR_ERR;
                }
                g_string_append_printf(ctx->header, vcd_header_comment,
                                 ctx->num_enabled_probes, num_probes, samplerate_s);
                g_free(samplerate_s);
-               g_variant_unref(gvar);
        }
 
        /* timescale */