1 files changed, 2 insertions, 1 deletions

diff --git a/sound/ppc/pmac.c b/sound/ppc/pmac.c
index af76ee862d27..bd8f92b1c224 100644
--- a/sound/ppc/pmac.c
+++ b/sound/ppc/pmac.c
@@ -1033,7 +1033,8 @@ static int __init snd_pmac_detect(struct snd_pmac *chip)
         }
         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);