X-Git-Url: https://sigrok.org/gitweb/?a=blobdiff_plain;f=src%2Fhardware%2Fscpi-pps%2Fapi.c;h=5d2488252aa0a5e154ea9a096f7cc1cdce5fd075;hb=f1aca068c73a62f1d305c8e66958109475db9bb6;hp=0136ca90b58e5c47ee183dfd41f4bf3c6620e180;hpb=c3cd66a00cdb4afbd43108563d979eebfbafaf69;p=libsigrok.git

diff --git a/src/hardware/scpi-pps/api.c b/src/hardware/scpi-pps/api.c
index 0136ca90..5d248825 100644
--- a/src/hardware/scpi-pps/api.c
+++ b/src/hardware/scpi-pps/api.c
@@ -251,15 +251,10 @@ static int dev_open(struct sr_dev_inst *sdi)
 	struct sr_scpi_dev_inst *scpi;
 	GVariant *beeper;
 
-	if (sdi->status != SR_ST_INACTIVE)
-		return SR_ERR;
-
 	scpi = sdi->conn;
 	if (sr_scpi_open(scpi) < 0)
 		return SR_ERR;
 
-	sdi->status = SR_ST_ACTIVE;
-
 	devc = sdi->priv;
 	scpi_cmd(sdi, devc->device->commands, SCPI_CMD_REMOTE);
 	devc->beeper_was_set = FALSE;
@@ -280,35 +275,28 @@ static int dev_close(struct sr_dev_inst *sdi)
 	struct sr_scpi_dev_inst *scpi;
 	struct dev_context *devc;
 
-	if (sdi->status != SR_ST_ACTIVE)
-		return SR_ERR_DEV_CLOSED;
-
 	devc = sdi->priv;
 	scpi = sdi->conn;
-	if (scpi) {
-		if (devc->beeper_was_set)
-			scpi_cmd(sdi, devc->device->commands, SCPI_CMD_BEEPER_ENABLE);
-		scpi_cmd(sdi, devc->device->commands, SCPI_CMD_LOCAL);
-		sr_scpi_close(scpi);
-		sdi->status = SR_ST_INACTIVE;
-	}
 
-	return SR_OK;
+	if (!scpi)
+		return SR_ERR_BUG;
+
+	if (devc->beeper_was_set)
+		scpi_cmd(sdi, devc->device->commands, SCPI_CMD_BEEPER_ENABLE);
+	scpi_cmd(sdi, devc->device->commands, SCPI_CMD_LOCAL);
+
+	return sr_scpi_close(scpi);
 }
 
-static void clear_helper(void *priv)
+static void clear_helper(struct dev_context *devc)
 {
-	struct dev_context *devc;
-
-	devc = priv;
 	g_free(devc->channels);
 	g_free(devc->channel_groups);
-	g_free(devc);
 }
 
 static int dev_clear(const struct sr_dev_driver *di)
 {
-	return std_dev_clear(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,
@@ -529,7 +517,7 @@ static int config_list(uint32_t key, GVariant **data, const struct sr_dev_inst *
 	const struct channel_spec *ch_spec;
 	GVariant *gvar;
 	GVariantBuilder gvb;
-	int ret, i;
+	int i;
 	const char *s[16];
 
 	/* Always available, even without sdi. */
@@ -547,7 +535,6 @@ static int config_list(uint32_t key, GVariant **data, const struct sr_dev_inst *
 		return SR_ERR_ARG;
 	devc = sdi->priv;
 
-	ret = SR_OK;
 	if (!cg) {
 		/* No channel group: global options. */
 		switch (key) {
@@ -628,7 +615,7 @@ static int config_list(uint32_t key, GVariant **data, const struct sr_dev_inst *
 		}
 	}
 
-	return ret;
+	return SR_OK;
 }
 
 static int dev_acquisition_start(const struct sr_dev_inst *sdi)