X-Git-Url: http://sigrok.org/gitweb/?a=blobdiff_plain;f=src%2Fhardware%2Fsysclk-lwla%2Fapi.c;h=154d4f9000ee6247fb583f78eee49b93e0febbb5;hb=e57057aee778e723da572a6b5e2bd01526cc7beb;hp=cee779eb4820861e6cf5a68de2cbfc810ddd21d4;hpb=c81069b33760f6de36466410ad4bbc9cb762e938;p=libsigrok.git

diff --git a/src/hardware/sysclk-lwla/api.c b/src/hardware/sysclk-lwla/api.c
index cee779eb..154d4f90 100644
--- a/src/hardware/sysclk-lwla/api.c
+++ b/src/hardware/sysclk-lwla/api.c
@@ -203,6 +203,18 @@ static int dev_open(struct sr_dev_inst *sdi)
 	if (ret != SR_OK)
 		return ret;
 
+	/* Set the configuration twice to trigger a lightweight reset.
+	 */
+	ret = libusb_set_configuration(usb->devhdl, USB_CONFIG);
+	if (ret == 0)
+		ret = libusb_set_configuration(usb->devhdl, USB_CONFIG);
+	if (ret != 0) {
+		sr_err("Failed to set USB configuration: %s.",
+			libusb_error_name(ret));
+		sr_usb_close(usb);
+		return SR_ERR;
+	}
+
 	ret = libusb_claim_interface(usb->devhdl, USB_INTERFACE);
 	if (ret < 0) {
 		sr_err("Failed to claim interface: %s.",