scpi: Accept *IDN responses with more than four tokens

Some devices with more than one microcontroller report the firmware
version for each of them, giving us more than four tokens. When that
happens, sigrok aborts, even though it received a valid response.

This happens, for example with the Chroma 61604:
'Chroma ATE,61604,001060,1.25,1.34,1.20'

diff --git a/src/scpi/scpi.c b/src/scpi/scpi.c
index 52fe76ddbb13bdc423663ed1ab6cd86e01138d82..c3ef6ff74c4b9527f7080beca92f5cc8dcddabe6 100644 (file)
--- a/src/scpi/scpi.c
+++ b/src/scpi/scpi.c
@@ -735,7 +735,7 @@ SR_PRIV int sr_scpi_get_hw_id(struct sr_scpi_dev_inst *scpi,
 
        for (num_tokens = 0; tokens[num_tokens] != NULL; num_tokens++);
 
-       if (num_tokens != 4) {
+       if (num_tokens < 4) {
                sr_dbg("IDN response not according to spec: %80.s.", response);
                g_strfreev(tokens);
                g_free(response);