ch = sr_channel_new(sdi, 0, SR_CHANNEL_ANALOG, TRUE, "V1");
cg->channels = g_slist_append(cg->channels, ch);
ch = sr_channel_new(sdi, 1, SR_CHANNEL_ANALOG, TRUE, "I1");
ch = sr_channel_new(sdi, 0, SR_CHANNEL_ANALOG, TRUE, "V1");
cg->channels = g_slist_append(cg->channels, ch);
ch = sr_channel_new(sdi, 1, SR_CHANNEL_ANALOG, TRUE, "I1");