Allow input from microphone on iBook G3 Dual-USB (Tumbler).
Signed-off-by: Risto Suominen <Risto.Suominen@gmail.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
        }
        if (of_device_is_compatible(sound, "tumbler")) {
                chip->model = PMAC_TUMBLER;
-               chip->can_capture = machine_is_compatible("PowerMac4,2");
+               chip->can_capture = machine_is_compatible("PowerMac4,2")
+                               || machine_is_compatible("PowerBook4,1");
                chip->can_duplex = 0;
                // chip->can_byte_swap = 0; /* FIXME: check this */
                chip->num_freqs = ARRAY_SIZE(tumbler_freqs);