allow the device data to override the interface

[project/usbmode.git] / switch.c

diff --git a/switch.c b/switch.c
index 3f1e3f3..7c5cff4 100644 (file)
--- a/switch.c
+++ b/switch.c
@@ -1,5 +1,12 @@
 #include "switch.h"
 
+enum {
+       DATA_MODE,
+       DATA_MSG,
+       DATA_INTERFACE,
+       __DATA_MAX
+};
+
 static void handle_generic(struct usbdev_data *data, struct blob_attr **tb)
 {
        fprintf(stderr, "Do generic switch!\n");
@@ -84,15 +91,17 @@ void handle_switch(struct usbdev_data *data)
 {
        static const struct blobmsg_policy data_policy[__DATA_MAX] = {
                [DATA_MODE] = { .name = "mode", .type = BLOBMSG_TYPE_STRING },
-               [DATA_MSG] = { .name = "msg", .type = BLOBMSG_TYPE_INT32 },
-               [DATA_MSG2] = { .name = "msg2", .type = BLOBMSG_TYPE_INT32 },
-               [DATA_MSG3] = { .name = "msg3", .type = BLOBMSG_TYPE_INT32 },
+               [DATA_MSG] = { .name = "msg", .type = BLOBMSG_TYPE_ARRAY },
+               [DATA_INTERFACE] = { .name = "interface", .type = BLOBMSG_TYPE_INT32 },
        };
        struct blob_attr *tb[__DATA_MAX];
        int mode = MODE_GENERIC;
 
        blobmsg_parse(data_policy, __DATA_MAX, tb, blobmsg_data(data->info), blobmsg_data_len(data->info));
 
+       if (tb[DATA_INTERFACE])
+               data->interface = blobmsg_get_u32(tb[DATA_INTERFACE]);
+
        if (tb[DATA_MODE]) {
                const char *modestr;
                int i;