std_init(): Drop check if pass in driver is non-NULL

[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 22e949c98ad98d90ec51c4174cbf5750daae6d4f..a50ea3f2cae298562abee4c0abc76f01ba5f4006 100644 (file)
--- a/src/hardware/zeroplus-logic-cube/api.c
+++ b/src/hardware/zeroplus-logic-cube/api.c
@@ -157,7 +157,7 @@ SR_PRIV int zp_set_samplerate(struct dev_context *devc, uint64_t samplerate)
 
 static int init(struct sr_dev_driver *di, struct sr_context *sr_ctx)
 {
-       return std_init(sr_ctx, di, LOG_PREFIX);
+       return std_init(di, sr_ctx);
 }
 
 static GSList *scan(struct sr_dev_driver *di, GSList *options)
@@ -256,54 +256,23 @@ static GSList *scan(struct sr_dev_driver *di, GSList *options)
        return devices;
 }
 
-static GSList *dev_list(const struct sr_dev_driver *di)
-{
-       return ((struct drv_context *)(di->context))->instances;
-}
-
 static int dev_open(struct sr_dev_inst *sdi)
 {
        struct sr_dev_driver *di = sdi->driver;
        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) {
@@ -373,11 +342,6 @@ static int dev_close(struct sr_dev_inst *sdi)
        return SR_OK;
 }
 
-static int cleanup(const struct sr_dev_driver *di)
-{
-       return std_dev_clear(di, NULL);
-}
-
 static int config_get(uint32_t key, GVariant **data, const struct sr_dev_inst *sdi,
                const struct sr_channel_group *cg)
 {
@@ -706,9 +670,9 @@ SR_PRIV struct sr_dev_driver zeroplus_logic_cube_driver_info = {
        .longname = "ZEROPLUS Logic Cube LAP-C series",
        .api_version = 1,
        .init = init,
-       .cleanup = cleanup,
+       .cleanup = std_cleanup,
        .scan = scan,
-       .dev_list = dev_list,
+       .dev_list = std_dev_list,
        .dev_clear = NULL,
        .config_get = config_get,
        .config_set = config_set,