X-Git-Url: http://sigrok.org/gitweb/?a=blobdiff_plain;f=src%2Fhardware%2Ffx2lafw%2Fprotocol.c;h=c87f659d07e249a28bfc5a771bf324eeb592934c;hb=41812aca436805b0614f2a8f31cf2f8ce494aea0;hp=11e3504e7948b7b6a8899fe51f9e601d85181ab5;hpb=55462b8ba9f48931de9b9a7bfbc182a1d113b3b5;p=libsigrok.git

diff --git a/src/hardware/fx2lafw/protocol.c b/src/hardware/fx2lafw/protocol.c
index 11e3504e..c87f659d 100644
--- a/src/hardware/fx2lafw/protocol.c
+++ b/src/hardware/fx2lafw/protocol.c
@@ -194,7 +194,7 @@ SR_PRIV int fx2lafw_dev_open(struct sr_dev_inst *sdi, struct sr_dev_driver *di)
 	uint8_t revid;
 	char connection_id[64];
 
-	drvc = di->priv;
+	drvc = di->context;
 	devc = sdi->priv;
 	usb = sdi->conn;
 
@@ -244,6 +244,16 @@ SR_PRIV int fx2lafw_dev_open(struct sr_dev_inst *sdi, struct sr_dev_driver *di)
 			break;
 		}
 
+		if (libusb_has_capability(LIBUSB_CAP_SUPPORTS_DETACH_KERNEL_DRIVER)) {
+			if (libusb_kernel_driver_active(usb->devhdl, USB_INTERFACE) == 1) {
+				if ((ret = libusb_detach_kernel_driver(usb->devhdl, USB_INTERFACE)) < 0) {
+					sr_err("Failed to detach kernel driver: %s.",
+						libusb_error_name(ret));
+					return SR_ERR;
+				}
+			}
+		}
+
 		ret = command_get_fw_version(usb->devhdl, &vi);
 		if (ret != SR_OK) {
 			sr_err("Failed to get firmware version.");