X-Git-Url: http://sigrok.org/gitweb/?a=blobdiff_plain;f=src%2Fhardware%2Fhantek-dso%2Fapi.c;h=dc94f033c806c527e8277964dd3b83a983f15597;hb=a9010323ddf4e479663e871386c05db05ea3522e;hp=84ee45b85f3f3d03dd1a4d96b9f707a62a0e1562;hpb=c3cd66a00cdb4afbd43108563d979eebfbafaf69;p=libsigrok.git

diff --git a/src/hardware/hantek-dso/api.c b/src/hardware/hantek-dso/api.c
index 84ee45b8..dc94f033 100644
--- a/src/hardware/hantek-dso/api.c
+++ b/src/hardware/hantek-dso/api.c
@@ -232,19 +232,15 @@ static int configure_channels(const struct sr_dev_inst *sdi)
 	return SR_OK;
 }
 
-static void clear_dev_context(void *priv)
+static void clear_helper(struct dev_context *devc)
 {
-	struct dev_context *devc;
-
-	devc = priv;
 	g_free(devc->triggersource);
 	g_slist_free(devc->enabled_channels);
-
 }
 
 static int dev_clear(const struct sr_dev_driver *di)
 {
-	return std_dev_clear(di, clear_dev_context);
+	return std_dev_clear_with_callback(di, (std_dev_clear_callback)clear_helper);
 }
 
 static GSList *scan(struct sr_dev_driver *di, GSList *options)
@@ -487,11 +483,10 @@ static int config_set(uint32_t key, GVariant *data, const struct sr_dev_inst *sd
 	struct dev_context *devc;
 	double tmp_double;
 	uint64_t tmp_u64, p, q;
-	int tmp_int, ch_idx, ret;
+	int tmp_int, ch_idx;
 	unsigned int i;
 	const char *tmp_str;
 
-	ret = SR_OK;
 	devc = sdi->priv;
 	if (!cg) {
 		switch (key) {
@@ -509,7 +504,7 @@ static int config_set(uint32_t key, GVariant *data, const struct sr_dev_inst *sd
 			tmp_double = g_variant_get_double(data);
 			if (tmp_double < 0.0 || tmp_double > 1.0) {
 				sr_err("Trigger position should be between 0.0 and 1.0.");
-				ret = SR_ERR_ARG;
+				return SR_ERR_ARG;
 			} else
 				devc->triggerposition = tmp_double;
 			break;
@@ -522,7 +517,7 @@ static int config_set(uint32_t key, GVariant *data, const struct sr_dev_inst *sd
 				}
 			}
 			if (i == NUM_BUFFER_SIZES)
-				ret = SR_ERR_ARG;
+				return SR_ERR_ARG;
 			break;
 		case SR_CONF_TIMEBASE:
 			g_variant_get(data, "(tt)", &p, &q);
@@ -536,7 +531,7 @@ static int config_set(uint32_t key, GVariant *data, const struct sr_dev_inst *sd
 			if (tmp_int >= 0)
 				devc->timebase = tmp_int;
 			else
-				ret = SR_ERR_ARG;
+				return SR_ERR_ARG;
 			break;
 		case SR_CONF_TRIGGER_SOURCE:
 			tmp_str = g_variant_get_string(data, NULL);
@@ -547,11 +542,10 @@ static int config_set(uint32_t key, GVariant *data, const struct sr_dev_inst *sd
 				}
 			}
 			if (trigger_sources[i] == 0)
-				ret = SR_ERR_ARG;
+				return SR_ERR_ARG;
 			break;
 		default:
-			ret = SR_ERR_NA;
-			break;
+			return SR_ERR_NA;
 		}
 	} else {
 		if (sdi->channel_groups->data == cg)
@@ -576,7 +570,7 @@ static int config_set(uint32_t key, GVariant *data, const struct sr_dev_inst *sd
 			if (tmp_int >= 0) {
 				devc->voltage[ch_idx] = tmp_int;
 			} else
-				ret = SR_ERR_ARG;
+				return SR_ERR_ARG;
 			break;
 		case SR_CONF_COUPLING:
 			tmp_str = g_variant_get_string(data, NULL);
@@ -587,15 +581,14 @@ static int config_set(uint32_t key, GVariant *data, const struct sr_dev_inst *sd
 				}
 			}
 			if (coupling[i] == 0)
-				ret = SR_ERR_ARG;
+				return SR_ERR_ARG;
 			break;
 		default:
-			ret = SR_ERR_NA;
-			break;
+			return SR_ERR_NA;
 		}
 	}
 
-	return ret;
+	return SR_OK;
 }
 
 static int config_list(uint32_t key, GVariant **data, const struct sr_dev_inst *sdi,