convert braille chardev to QemuOpts.

Signed-off-by: NGerd Hoffmann <kraxel@redhat.com>
Signed-off-by: NAnthony Liguori <aliguori@us.ibm.com>

hw/baum.c

@@ -563,7 +563,7 @@ static void baum_chr_read(void *opaque)
     }
 }
 
-CharDriverState *chr_baum_init(void)
+CharDriverState *chr_baum_init(QemuOpts *opts)
 {
     BaumDriverState *baum;
     CharDriverState *chr;

hw/baum.h

@@ -26,4 +26,4 @@
 USBDevice *usb_baum_init(void);
 
 /* char device */
-CharDriverState *chr_baum_init(void);
+CharDriverState *chr_baum_init(QemuOpts *opts);

qemu-char.c

@@ -2229,6 +2229,7 @@ static QemuOpts *qemu_chr_parse_compat(const char *label, const char *filename)
     if (strcmp(filename, "null")    == 0 ||
         strcmp(filename, "pty")     == 0 ||
         strcmp(filename, "msmouse") == 0 ||
+        strcmp(filename, "braille") == 0 ||
         strcmp(filename, "stdio")   == 0) {
         qemu_opt_set(opts, "backend", filename);
         return opts;
@@ -2290,6 +2291,9 @@ static const struct {
     { .name = "pty",       .open = qemu_chr_open_pty },
     { .name = "stdio",     .open = qemu_chr_open_stdio },
 #endif
+#ifdef CONFIG_BRLAPI
+    { .name = "braille",   .open = chr_baum_init },
+#endif
 };
 
 CharDriverState *qemu_chr_open_opts(QemuOpts *opts,
@@ -2380,11 +2384,6 @@ CharDriverState *qemu_chr_open(const char *label, const char *filename, void (*i
     if (strstart(filename, "con:", NULL)) {
         chr = qemu_chr_open_win_con(filename);
     } else
-#endif
-#ifdef CONFIG_BRLAPI
-    if (!strcmp(filename, "braille")) {
-        chr = chr_baum_init();
-    } else
 #endif
     {
         chr = NULL;