diff options
| -rw-r--r-- | sys/dev/sound/macio/i2s.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/sys/dev/sound/macio/i2s.c b/sys/dev/sound/macio/i2s.c index d1a5463..e35a262 100644 --- a/sys/dev/sound/macio/i2s.c +++ b/sys/dev/sound/macio/i2s.c @@ -158,6 +158,8 @@ static int i2s_probe(device_t self) { const char *name; + phandle_t subchild; + char subchildname[255]; name = ofw_bus_get_name(self); if (!name) @@ -165,6 +167,16 @@ i2s_probe(device_t self) if (strcmp(name, "i2s") != 0) return (ENXIO); + + /* + * Do not attach to "lightshow" I2S devices on Xserves. This controller + * is used there to control the LEDs on the front panel, and this + * driver can't handle it. + */ + subchild = OF_child(OF_child(ofw_bus_get_node(self))); + if (subchild != 0 && OF_getprop(subchild, "name", subchildname, + sizeof(subchildname)) > 0 && strcmp(subchildname, "lightshow") == 0) + return (ENXIO); device_set_desc(self, "Apple I2S Audio Controller"); |
