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

[libsigrok.git] / hardware / fx2lafw / fx2lafw.c

diff --git a/hardware/fx2lafw/fx2lafw.c b/hardware/fx2lafw/fx2lafw.c
index 3e67c5f54e31ee47d75f012655e60999c8958831..4863da5ef22b7b5798c40789b657fb59e1b4423e 100644 (file)
--- a/hardware/fx2lafw/fx2lafw.c
+++ b/hardware/fx2lafw/fx2lafw.c
@@ -315,10 +315,10 @@ static int configure_probes(struct context *ctx, GSList *probes)
                if (probe->enabled == FALSE)
                        continue;
 
-               if (probe->index > 8)
+               if (probe->index > 7)
                        ctx->sample_wide = TRUE;
 
-               probe_bit = 1 << (probe->index - 1);
+               probe_bit = 1 << (probe->index);
                if (!(probe->trigger))
                        continue;