Add SR_ERR_PROBE_GROUP, denoting a probe group requirement

diff --git a/libsigrok.h b/libsigrok.h
index 2232071cf6a3e60af43383a21a35308cf58b6a3e..985473c692728485aeb06e18be2992744aabac05 100644 (file)
--- a/libsigrok.h
+++ b/libsigrok.h
@@ -73,6 +73,7 @@ enum {
        SR_ERR_NA         = -6, /**< Not applicable. */
        SR_ERR_DEV_CLOSED = -7, /**< Device is closed, but needs to be open. */
        SR_ERR_TIMEOUT    = -8, /**< A timeout occurred. */
+       SR_ERR_PROBE_GROUP= -9, /**< A probe group must be specified. */
 
        /*
         * Note: When adding entries here, don't forget to also update the