dev_acquisition_{start,stop}(): Drop duplicate 'cb_data' parameter.

[libsigrok.git] / src / hardware / hp-3457a / api.c

diff --git a/src/hardware/hp-3457a/api.c b/src/hardware/hp-3457a/api.c
index eae8195ce48a716b2d8b8159425caa2f9de6f592..05a45e6295905f7ef31086b14b6e5fb114a620c0 100644 (file)
--- a/src/hardware/hp-3457a/api.c
+++ b/src/hardware/hp-3457a/api.c
@@ -376,7 +376,7 @@ static void create_channel_index_list(GSList *channels, GArray **arr)
  *   channel in the scan list to the A/D converter. This way, we do not need to
  *   occupy the HP-IB bus to send channel select commands.
  */
-static int dev_acquisition_start(const struct sr_dev_inst *sdi, void *cb_data)
+static int dev_acquisition_start(const struct sr_dev_inst *sdi)
 {
        int ret;
        gboolean front_selected, rear_selected;
@@ -387,8 +387,6 @@ static int dev_acquisition_start(const struct sr_dev_inst *sdi, void *cb_data)
        GArray *ch_list;
        GSList *channels;
 
-       (void)cb_data;
-
        if (sdi->status != SR_ST_ACTIVE)
                return SR_ERR_DEV_CLOSED;
 
@@ -448,16 +446,12 @@ static int dev_acquisition_start(const struct sr_dev_inst *sdi, void *cb_data)
        return SR_OK;
 }
 
-static int dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data)
+static int dev_acquisition_stop(struct sr_dev_inst *sdi)
 {
        struct dev_context *devc;
-       (void)cb_data;
 
        devc = sdi->priv;
 
-       if (sdi->status != SR_ST_ACTIVE)
-               return SR_ERR_DEV_CLOSED;
-
        g_slist_free(devc->active_channels);
 
        return SR_OK;