config: Add config del command at libusbg backend

Change-Id: Iad8c91119093d48b85a6354ee360a4e49d07701f
Signed-off-by: Pawel Szewczyk <p.szewczyk@samsung.com>

diff --git a/source/config/src/configuration_libusbg.c b/source/config/src/configuration_libusbg.c
index 4c51e22..c9262a6 100644 (file)
--- a/source/config/src/configuration_libusbg.c
+++ b/source/config/src/configuration_libusbg.c
@@ -109,6 +109,56 @@ static int add_func(void *data)
        return 0;
 }
 
+static int del_func(void *data)
+{
+       int usbg_ret = USBG_SUCCESS;
+       usbg_binding *b, *found = NULL;
+       usbg_config *c;
+       usbg_gadget *g;
+       usbg_function *f;
+       struct gt_config_add_del_data *dt;
+
+       dt = (struct gt_config_add_del_data *)data;
+
+       g = usbg_get_gadget(backend_ctx.libusbg_state, dt->gadget);
+       if (g == NULL) {
+               fprintf(stderr, "Unable to get gadget\n");
+               return -1;
+       }
+
+       c = usbg_get_config(g, dt->config_id, dt->config_label);
+       if (c == NULL) {
+               fprintf(stderr, "Unable to get config\n");
+               return -1;
+       }
+
+       usbg_for_each_binding(b, c) {
+               f = usbg_get_binding_target(b);
+               if (f == NULL) {
+                       fprintf(stderr, "Unable to get binding target\n");
+                       return -1;
+               }
+
+               if (strcmp(usbg_get_function_type_str(usbg_get_function_type(f)), dt->type) == 0 &&
+                       strcmp(usbg_get_function_instance(f), dt->instance) == 0) {
+                               found = b;
+                               break;
+               }
+       }
+
+       if (found) {
+               usbg_ret = usbg_rm_binding(found);
+               if (usbg_ret != USBG_SUCCESS) {
+                       fprintf(stderr, "Error removing binding\n");
+                       return -1;
+               }
+       } else {
+               fprintf(stderr, "Function not found in given config\n");
+       }
+
+       return 0;
+}
+
 int gt_print_config_libusbg(usbg_config *c, int opts)
 {
        usbg_binding *b;
@@ -270,7 +320,7 @@ struct gt_config_backend gt_config_backend_libusbg = {
        .get = NULL,
        .set = NULL,
        .show = show_func,
-       .del = NULL,
+       .del = del_func,
        .template_default = NULL,
        .template_get = NULL,
        .template_set = NULL,