clear_helper(): Use a cast to shorten all implementations.

[libsigrok.git] / src / hardware / demo / api.c

diff --git a/src/hardware/demo/api.c b/src/hardware/demo/api.c
index 6549b5d784c5db8fe069dbd5a3223cca57e99d25..f88b4c2ea794de37992a0e0fafb4a4a4bfee367f 100644 (file)
--- a/src/hardware/demo/api.c
+++ b/src/hardware/demo/api.c
@@ -180,14 +180,11 @@ static GSList *scan(struct sr_dev_driver *di, GSList *options)
        return std_scan_complete(di, g_slist_append(NULL, sdi));
 }
 
-static void clear_helper(void *priv)
+static void clear_helper(struct dev_context *devc)
 {
-       struct dev_context *devc;
        GHashTableIter iter;
        void *value;
 
-       devc = priv;
-
        /* Analog generators. */
        g_hash_table_iter_init(&iter, devc->ch_ag);
        while (g_hash_table_iter_next(&iter, NULL, &value))
@@ -197,7 +194,7 @@ static void clear_helper(void *priv)
 
 static int dev_clear(const struct sr_dev_driver *di)
 {
-       return std_dev_clear_with_callback(di, clear_helper);
+       return std_dev_clear_with_callback(di, (std_dev_clear_callback)clear_helper);
 }
 
 static int config_get(uint32_t key, GVariant **data, const struct sr_dev_inst *sdi,