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Commit 393cc220 authored by H Hartley Sweeten's avatar H Hartley Sweeten Committed by Greg Kroah-Hartman
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staging: comedi: addi_apci_1516: define the watchdog control register 



Add defines for the bits in the watchdog control register and use
them to remove the "magic" numbers.

Signed-off-by: default avatarH Hartley Sweeten <hsweeten@visionengravers.com>
Cc: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent f57f797a

drivers/staging/comedi/drivers/addi-data/hwdrv_apci1516.c

+6 −2
Original line number Diff line number Diff line
@@ -64,6 +64,8 @@ You should also find the complete GPL in the COPYING file accompanying this sour 
#define APCI1516_WDOG_RELOAD_LSB_REG		0x04

#define APCI1516_WDOG_RELOAD_MSB_REG		0x06

#define APCI1516_WDOG_CTRL_REG			0x0c

#define APCI1516_WDOG_CTRL_ENABLE		(1 << 0)

#define APCI1516_WDOG_CTRL_SOFT_TRIG		(1 << 9)

#define APCI1516_WDOG_STATUS_REG		0x10



#define ADDIDATA_WATCHDOG			2
@@ -182,10 +184,12 @@ static int i_APCI1516_StartStopWriteWatchdog(struct comedi_device *dev, 
		outw(0x0, devpriv->i_IobaseAddon + APCI1516_WDOG_CTRL_REG);

		break;

	case 1:		/* start the watchdog */

		outw(0x0001, devpriv->i_IobaseAddon + APCI1516_WDOG_CTRL_REG);

		outw(APCI1516_WDOG_CTRL_ENABLE,

		     devpriv->i_IobaseAddon + APCI1516_WDOG_CTRL_REG);

		break;

	case 2:		/* Software trigger */

		outw(0x0201, devpriv->i_IobaseAddon + APCI1516_WDOG_CTRL_REG);

		outw(APCI1516_WDOG_CTRL_ENABLE | APCI1516_WDOG_CTRL_SOFT_TRIG,

		     devpriv->i_IobaseAddon + APCI1516_WDOG_CTRL_REG);

		break;

	default:

		printk("\nSpecified functionality does not exist\n");