sr/drivers: fix off-by-one if frontend-initiated probe configuration

[libsigrok.git] / hardware / asix-sigma / asix-sigma.c

diff --git a/hardware/asix-sigma/asix-sigma.c b/hardware/asix-sigma/asix-sigma.c
index ea12da8b863caf82abdc872ecb0e9c8f42c24723..5cb6130c29ae8723bbbab76ae310228848314a6b 100644 (file)
--- a/hardware/asix-sigma/asix-sigma.c
+++ b/hardware/asix-sigma/asix-sigma.c
@@ -683,7 +683,7 @@ static int configure_probes(const struct sr_dev_inst *sdi, const GSList *probes)
 
        for (l = probes; l; l = l->next) {
                probe = (struct sr_probe *)l->data;
-               probebit = 1 << (probe->index - 1);
+               probebit = 1 << (probe->index);
 
                if (!probe->enabled || !probe->trigger)
                        continue;