zeroplus-logic-cube: Fix USB device list

[libsigrok.git] / src / hardware / zeroplus-logic-cube / api.c

diff --git a/src/hardware/zeroplus-logic-cube/api.c b/src/hardware/zeroplus-logic-cube/api.c
index 1081b81c2b461ec4cf059a9f8f0dc8c6df80dfd5..23a2e69f986c75d88deffa0c4ec37bb7ea576d85 100644 (file)
--- a/src/hardware/zeroplus-logic-cube/api.c
+++ b/src/hardware/zeroplus-logic-cube/api.c
@@ -262,43 +262,17 @@ static int dev_open(struct sr_dev_inst *sdi)
        struct dev_context *devc;
        struct drv_context *drvc;
        struct sr_usb_dev_inst *usb;
-       libusb_device **devlist, *dev;
-       int device_count, ret, i;
-       char connection_id[64];
+       int ret;
 
        drvc = di->context;
        usb = sdi->conn;
        devc = sdi->priv;
 
-       device_count = libusb_get_device_list(drvc->sr_ctx->libusb_ctx,
-                                             &devlist);
-       if (device_count < 0) {
-               sr_err("Failed to retrieve device list.");
-               return SR_ERR;
-       }
+       ret = sr_usb_open(drvc->sr_ctx->libusb_ctx, usb);
+       if (ret != SR_OK)
+               return ret;
 
-       dev = NULL;
-       for (i = 0; i < device_count; i++) {
-               usb_get_port_path(devlist[i], connection_id, sizeof(connection_id));
-               if (!strcmp(sdi->connection_id, connection_id)) {
-                       dev = devlist[i];
-                       break;
-               }
-       }
-       if (!dev) {
-               sr_err("Device on %d.%d (logical) / %s (physical) disappeared!",
-                      usb->bus, usb->address, sdi->connection_id);
-               return SR_ERR;
-       }
-
-       if (!(ret = libusb_open(dev, &(usb->devhdl)))) {
-               sdi->status = SR_ST_ACTIVE;
-               sr_info("Opened device on %d.%d (logical) / %s (physical) interface %d.",
-                       usb->bus, usb->address, sdi->connection_id, USB_INTERFACE);
-       } else {
-               sr_err("Failed to open device: %s.", libusb_error_name(ret));
-               return SR_ERR;
-       }
+       sdi->status = SR_ST_ACTIVE;
 
        ret = libusb_set_configuration(usb->devhdl, USB_CONFIGURATION);
        if (ret < 0) {