staging: comedi: dt9812: default the analog input gain to 1 (d6caedf0) · Commits · 戴 / test

The 'default' case should never happen. In case it does, default the gain to '1'. Signed-off-by:

H Hartley Sweeten <hsweeten@visionengravers.com> Cc: Ian Abbott <abbotti@mev.co.uk> Signed-off-by:

drivers/staging/comedi/drivers/dt9812.c

+2 −3

Original line number	Diff line number	Diff line
		@@ -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;
		}
		}