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Message-ID: <201206261008.52962.hartleys@visionengravers.com>
Date:	Tue, 26 Jun 2012 10:08:52 -0700
From:	H Hartley Sweeten <hartleys@...ionengravers.com>
To:	Linux Kernel <linux-kernel@...r.kernel.org>
CC:	<devel@...verdev.osuosl.org>, <abbotti@....co.uk>,
	<fmhess@...rs.sourceforge.net>, <gregkh@...uxfoundation.org>
Subject: [PATCH 2/2] staging: comedi: cb_das16_cs: remove unneeded default case in analog in read

The default (return -EINVAL) case is not needed when working
out the correct value to set the analog input range. As pointed
out by Ian Abbott, the comedi core checks the range in
comedi_check_chanlist() before calling the insn_read() function.

Signed-off-by: H Hartley Sweeten <hsweeten@...ionengravers.com>
Reported-by: Ian Abbott <abbotti@....co.uk>
Cc: Frank Mori Hess <fmhess@...rs.sourceforge.net>
Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
 drivers/staging/comedi/drivers/cb_das16_cs.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/drivers/staging/comedi/drivers/cb_das16_cs.c b/drivers/staging/comedi/drivers/cb_das16_cs.c
index 95fa7e2..58d4529 100644
--- a/drivers/staging/comedi/drivers/cb_das16_cs.c
+++ b/drivers/staging/comedi/drivers/cb_das16_cs.c
@@ -136,8 +136,6 @@ static int das16cs_ai_rinsn(struct comedi_device *dev,
 	case 3:
 		devpriv->status2 |= 0x200;
 		break;
-	default:
-		return -EINVAL;
 	}
 	outw(devpriv->status2, dev->iobase + DAS16CS_MISC2);
 
-- 
1.7.11

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