From d6caedf074afe10d585df6d8e61c7a171d91e44f Mon Sep 17 00:00:00 2001 From: H Hartley Sweeten Date: Tue, 14 May 2013 14:35:47 -0700 Subject: [PATCH] staging: comedi: dt9812: default the analog input gain to 1 The 'default' case should never happen. In case it does, default the gain to '1'. Signed-off-by: H Hartley Sweeten Cc: Ian Abbott Signed-off-by: Greg Kroah-Hartman --- drivers/staging/comedi/drivers/dt9812.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) diff --git a/drivers/staging/comedi/drivers/dt9812.c b/drivers/staging/comedi/drivers/dt9812.c index 9281d49dbdeb..e6d9191f9432 100644 --- a/drivers/staging/comedi/drivers/dt9812.c +++ b/drivers/staging/comedi/drivers/dt9812.c @@ -422,6 +422,8 @@ static void dt9812_configure_gain(struct comedi_device *dev, rmw->or_value = F020_MASK_ADC0CF_AMP0GN2 | F020_MASK_ADC0CF_AMP0GN1; break; + default: + /* this should never happen, just use a gain of 1 */ case DT9812_GAIN_1: rmw->or_value = 0x00; break; @@ -438,9 +440,6 @@ static void dt9812_configure_gain(struct comedi_device *dev, case DT9812_GAIN_16: rmw->or_value = F020_MASK_ADC0CF_AMP0GN2; break; - default: - dev_err(dev->class_dev, "Illegal gain %d\n", gain); - break; } } -- 2.20.1