X-Git-Url: https://sigrok.org/gitweb/?a=blobdiff_plain;f=src%2Fhardware%2Fbrymen-bm86x%2Fapi.c;h=23b42e1390cddee7c0baee502e50d8c2d9fe47db;hb=f1ba6b4b2c9a8ecf90bb31efb218752aa7e49d1a;hp=a9ac15b3b37ad9754a750459161468e003fb96c1;hpb=15a5bfe4815f9991a9bb532c05d6244a1818a0e4;p=libsigrok.git

diff --git a/src/hardware/brymen-bm86x/api.c b/src/hardware/brymen-bm86x/api.c
index a9ac15b3..23b42e13 100644
--- a/src/hardware/brymen-bm86x/api.c
+++ b/src/hardware/brymen-bm86x/api.c
@@ -95,9 +95,7 @@ static int dev_open(struct sr_dev_inst *sdi)
 	usb = sdi->conn;
 	devc = sdi->priv;
 
-	if ((ret = sr_usb_open(drvc->sr_ctx->libusb_ctx, usb)) == SR_OK)
-		sdi->status = SR_ST_ACTIVE;
-	else
+	if ((ret = sr_usb_open(drvc->sr_ctx->libusb_ctx, usb)) < 0)
 		return SR_ERR;
 
 	/* Detach kernel drivers which grabbed this device (if any). */
@@ -122,7 +120,7 @@ static int dev_open(struct sr_dev_inst *sdi)
 	}
 	sr_dbg("Successfully claimed interface 0.");
 
-	return ret;
+	return SR_OK;
 }
 
 static int dev_close(struct sr_dev_inst *sdi)
@@ -131,32 +129,23 @@ static int dev_close(struct sr_dev_inst *sdi)
 	struct dev_context *devc;
 	int ret;
 
-	if (sdi->status != SR_ST_ACTIVE)
-		return SR_ERR_DEV_CLOSED;
-
 	usb = sdi->conn;
 	devc = sdi->priv;
 
 	if ((ret = libusb_release_interface(usb->devhdl, 0)))
 		sr_err("Failed to release interface 0: %s.\n", libusb_error_name(ret));
-	else
-		sr_dbg("Successfully released interface 0.\n");
 
 	if (!ret && devc->detached_kernel_driver) {
-		if ((ret = libusb_attach_kernel_driver(usb->devhdl, 0))) {
+		if ((ret = libusb_attach_kernel_driver(usb->devhdl, 0)))
 			sr_err("Failed to attach kernel driver: %s.\n",
 			       libusb_error_name(ret));
-		} else {
+		else
 			devc->detached_kernel_driver = 0;
-			sr_dbg("Successfully attached kernel driver.\n");
-		}
 	}
 
 	libusb_close(usb->devhdl);
 
-	sdi->status = SR_ST_INACTIVE;
-
-	return ret;
+	return (ret == 0) ? SR_OK : SR_ERR;
 }
 
 static int config_get(uint32_t key, GVariant **data, const struct sr_dev_inst *sdi,
@@ -176,9 +165,6 @@ static int config_set(uint32_t key, GVariant *data, const struct sr_dev_inst *sd
 
 	(void)cg;
 
-	if (sdi->status != SR_ST_ACTIVE)
-		return SR_ERR_DEV_CLOSED;
-
 	devc = sdi->priv;
 
 	return sr_sw_limits_config_set(&devc->sw_limits, key, data);
@@ -210,14 +196,11 @@ static int dev_acquisition_start(const struct sr_dev_inst *sdi)
 {
 	struct dev_context *devc;
 
-	if (sdi->status != SR_ST_ACTIVE)
-		return SR_ERR_DEV_CLOSED;
-
 	devc = sdi->priv;
 
 	sr_sw_limits_acquisition_start(&devc->sw_limits);
 
-	std_session_send_df_header(sdi, LOG_PREFIX);
+	std_session_send_df_header(sdi);
 
 	sr_session_source_add(sdi->session, -1, 0, 10,
 			brymen_bm86x_receive_data, (void *)sdi);
@@ -227,10 +210,7 @@ static int dev_acquisition_start(const struct sr_dev_inst *sdi)
 
 static int dev_acquisition_stop(struct sr_dev_inst *sdi)
 {
-	if (sdi->status != SR_ST_ACTIVE)
-		return SR_ERR_DEV_CLOSED;
-
-	std_session_send_df_end(sdi, LOG_PREFIX);
+	std_session_send_df_end(sdi);
 
 	sr_session_source_remove(sdi->session, -1);