From da7fde2bc902db1133f591b826124c9369857d38 Mon Sep 17 00:00:00 2001 From: H Hartley Sweeten Date: Mon, 25 Jun 2012 17:10:30 -0700 Subject: [PATCH] staging: comedi: cb_das16_cs: fix analog output subdevice init The analog output subdevice is only available on the -AO version of the DAS16/16 device and the number of channels is provided in the boardinfo. Make sure the subdevice is marked as unused for devices that do not support the analog out. Signed-off-by: H Hartley Sweeten Cc: Ian Abbott Cc: Frank Mori Hess Signed-off-by: Greg Kroah-Hartman --- drivers/staging/comedi/drivers/cb_das16_cs.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/staging/comedi/drivers/cb_das16_cs.c b/drivers/staging/comedi/drivers/cb_das16_cs.c index f3d5ca00f147..acee55023564 100644 --- a/drivers/staging/comedi/drivers/cb_das16_cs.c +++ b/drivers/staging/comedi/drivers/cb_das16_cs.c @@ -509,6 +509,8 @@ static int das16cs_attach(struct comedi_device *dev, s->range_table = &range_bipolar10; s->insn_write = &das16cs_ao_winsn; s->insn_read = &das16cs_ao_rinsn; + } else { + s->type = COMEDI_SUBD_UNUSED; } s = dev->subdevices + 2; -- 2.20.1